Mathematical Problems in Supersonic Commercial Aircraft Design and
Development: Multiple Choice Questions (MCQ) on Aerodynamics,
Propulsion, Structures, and Flight Performance for Supersonic Business
Jets
1. What is the Mach number for an aircraft flying at 2,100 km/h at an altitude where the speed of
sound is 295 m/s?
a) 1.97
b) 2.15
c) 1.82
d) 2.03
Answer: a) 1.97
2. Calculate the dynamic pressure (in Pa) for a supersonic aircraft flying at Mach 1.8 at an altitude
where the air density is 0.5 kg/m³ and the speed of sound is 310 m/s.
a) 42,282 Pa
b) 85,914 Pa
c) 71,595 Pa
d) 56,376 Pa
Answer: b) 85,914 Pa
3. If a supersonic business jet has a wing area of 125 m² and generates a lift force of 980,000 N at
Mach 1.5, what is its lift coefficient?
a) 0.32
b) 0.28
c) 0.35
d) 0.30
Answer: d) 0.30
4. A supersonic aircraft accelerates from Mach 0.95 to Mach 1.05 in 8 seconds. What is its average
acceleration in m/s²? (Assume speed of sound is 340 m/s)
a) 3.4 m/s²
b) 4.25 m/s²
c) 2.975 m/s²
d) 5.1 m/s²
Answer: b) 4.25 m/s²
5. Calculate the thickness-to-chord ratio of a supersonic airfoil with a maximum thickness of 15 mm
and a chord length of 2.5 m.
a) 0.006
b) 0.060
c) 0.600
d) 0.166
Answer: a) 0.006
6. If a supersonic business jet consumes 2,500 kg of fuel per hour at Mach 1.8, how much fuel (in kg)
will it consume during a 3-hour flight?
a) 7,500 kg
b) 8,250 kg
c) 6,750 kg
d) 9,000 kg
Answer: a) 7,500 kg
7. A supersonic aircraft has a swept wing with a leading-edge sweep angle of 65°. If the wing span is
20 m, what is the effective wing span perpendicular to the airflow?
a) 8.45 m
b) 11.03 m
c) 13.80 m
d) 18.19 m
Answer: a) 8.45 m
8. Calculate the total pressure ratio across a normal shock wave at Mach 2.2.
a) 1.513
b) 2.468
c) 3.179
d) 4.236
Answer: c) 3.179
9. If a supersonic business jet has a thrust-to-weight ratio of 0.45 at takeoff, what is the maximum
takeoff weight (in N) if each engine produces 80,000 N of thrust?
a) 177,778 N
b) 355,556 N
c) 533,333 N
d) 711,111 N
Answer: b) 355,556 N
10. A supersonic aircraft flies at Mach 1.6 at an altitude where the temperature is -56.5°C. What is
the true airspeed in km/h?
a) 1,531 km/h
b) 1,684 km/h
c) 1,836 km/h
d) 1,989 km/h
Answer: b) 1,684 km/h
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
11. Calculate the critical Mach number for an airfoil with a maximum local velocity 15% higher than
the freestream velocity.
a) 0.65
b) 0.74
c) 0.82
d) 0.91
Answer: c) 0.82
12. If a supersonic business jet has a lift-to-drag ratio of 8 at Mach 1.4, what is its glide ratio?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
13. A supersonic aircraft with a mass of 45,000 kg experiences a 0.5g acceleration during takeoff.
What is the required thrust (in N)?
a) 220,725 N
b) 441,450 N
c) 662,175 N
d) 882,900 N
Answer: b) 441,450 N
14. Calculate the speed of sound (in m/s) at an altitude where the temperature is -35°C.
a) 296 m/s
b) 308 m/s
c) 320 m/s
d) 332 m/s
Answer: c) 320 m/s
15. If a supersonic aircraft has a wingspan of 18 m and a mean aerodynamic chord of 4.5 m, what is
its aspect ratio?
a) 3
b) 4
c) 5
d) 6
Answer: b) 4
16. A supersonic business jet climbs at a rate of 50 m/s at a 15° angle. What is its horizontal speed in
km/h?
a) 648 km/h
b) 684 km/h
c) 720 km/h
d) 756 km/h
Answer: b) 684 km/h
17. Calculate the pressure coefficient at the stagnation point of a supersonic aircraft flying at Mach
2.0.
a) 0.821
b) 1.000
c) 1.276
d) 1.429
Answer: c) 1.276
18. If a supersonic aircraft has a fuselage length of 50 m and a maximum diameter of 3 m, what is its
fineness ratio?
a) 12.5
b) 16.67
c) 18.75
d) 20.83
Answer: b) 16.67
19. A supersonic business jet burns 0.3 kg of fuel per kilometer traveled. How many kilometers can it
fly with 15,000 kg of fuel, assuming 10% is reserved?
a) 45,000 km
b) 50,000 km
c) 55,000 km
d) 60,000 km
Answer: a) 45,000 km
20. Calculate the wave drag coefficient for a supersonic aircraft flying at Mach 1.5 with a zero-lift
wave drag coefficient of 0.015.
a) 0.0225
b) 0.0300
c) 0.0375
d) 0.0450
Answer: c) 0.0375
21. If a supersonic aircraft has a wing loading of 3,500 N/m² at takeoff, what is its wing area (in m²) if
the maximum takeoff weight is 490,000 N?
a) 120 m²
b) 130 m²
c) 140 m²
d) 150 m²
Answer: c) 140 m²
22. A supersonic business jet accelerates from 0 to 100 m/s in 12 seconds during takeoff. What is its
average acceleration in g's?
a) 0.68 g
b) 0.75 g
c) 0.82 g
d) 0.89 g
Answer: c) 0.82 g
23. Calculate the Mach angle (in degrees) for an aircraft flying at Mach 2.5.
a) 19.5°
b) 23.6°
c) 27.8°
d) 31.0°
Answer: b) 23.6°
24. If a supersonic aircraft has a specific fuel consumption of 1.8 kg/N-hr at cruise, how much thrust
(in N) does each engine produce if the total fuel flow rate is 3,600 kg/hr for two engines?
a) 833 N
b) 1,000 N
c) 1,250 N
d) 1,500 N
Answer: b) 1,000 N
25. A supersonic business jet has a range of 8,000 km when flying at Mach 1.8. If it flies at Mach 1.6
instead, its range increases by 12%. What is its new range?
a) 8,720 km
b) 8,960 km
c) 9,200 km
d) 9,440 km
Answer: b) 8,960 km
