1. The natural vegetation regions of sub-Saharan Africa
A. don't correspond closely to climatic regions.
B. are heavily impacted by human activity.
C. are all characteristic of equatorial latitudes.
D. only correspond to climatic conditions in areas of West Africa.
2. Sudan is omitted from inclusion in the sub-Saharan region because it
A. contains most of the evidence of humanity's African origins.
B. is politically distinct from other regional countries.
C. doesn't border the Sahara Desert.
D. is linked to Egypt by the Nile.
3. In the context of European colonization, Portugal controlled Mozambique and
A. Angola.
B. Congo.
C. Kenya.
D. Madagascar.
4. Tourism is the _______ industry in the world.
A. third-largest
B. second-largest
C. fourth-largest
D. largest
1. Which South African city is a regional hub of commerce and has South Africa's premier international airport?
A. Durban
B. Pretoria
C. Cape Town
D. Johannesburg
2. Slum areas called shantytowns occur in _________ major African cities, housing over _________ percent of urban populations.
A. some; 40
B. five major; 50
C. nearly all; 60
D. all; 70
3. The lowlands west of Australia's eastern mountain range are drained by the Murray-Darling River system, with its main headwaters in the Great _______ Basin.
A. Barrier
B. Artesian
End of exam
C. Dividing
D. Darling
4. The Great _______ Range, running just inland along Australia's eastern coast, is that continent's only significant mountain chain.
A. Eastern
B. Dividing
C. Barrier
D. Australian
1. One problem when using rigid metal conduit in a residence is that the installation of the conduit may
A. weaken the structure.
B. require an equipment ground.
C. be a fire hazard.
D. be an electrical hazard.
2. The internal area of 2-inch IMC is
A. the same as the internal area of 2-inch EMT.
B. less than the internal area of 2-inch EMT.
C. less than the internal area of 2-inch rigid metal conduit.
D. greater than the internal area of 2-inch rigid metal conduit.
3. One governing factor when determining the minimum size of conduit to be used is the
A. length of the conduit.
B. presence of water.
C. location.
D. conductor fill.
4. A 10-inch beam is in the path of a conduit run from a junction box which is located 38 inches from the beam. The beam is to be bypassed by a 30-degree offset with the second offset bend occuring at the corner of the beam. At what distances from the outlet box will the two bends be marked on a length of 1-inch EMT?
A. 18 inches and 38 inches
B. 20 1/2 inches and 40 1/2 inches
C. 38 inches and 40 1/2 inches
D. 8 inches and 48 inches
1. If you have a motor that must remain adaptable to several sizes of belts, what is the maximum length of flexible metal conduit you can use before the conduit requires fastening?
A. 10 feet
B. 4 1/2 feet
C. 3 feet
D. 1 foot
2. What is the take-up amount for a stub-up bend using 1-inch IMC?
A. 5 and 5/8 inches
B. 16 and 5/8 inches
C. 11 inches
D. 8 inches
3. Which of the following combinations of bends can be used in a conduit run?
A. One 90-degree, six 45-degree and one 30-degree
B. One 90-degree, three 45-degree, and four 30-degree
C. Two 90-degree, four 45-degree, and one 30-degre
4. The internal area of 2-inch IMC is
A. the same as the internal area of 2-inch EMT.
B. less than the internal area of 2-inch EMT.
C. less than the internal area of 2-inch rigid metal conduit.
D. greater than the internal area of 2-inch rigid metal conduit.
1. If you have a motor that must remain adaptable to several sizes of belts, what is the maximum length of flexible metal conduit you can use before the conduit requires fastening?
A. 10 feet
B. 4 1/2 feet
C. 3 feet
D. 1 foot
2. What is the take-up amount for a stub-up bend using 1-inch IMC?
A. 5 and 5/8 inches
B. 16 and 5/8 inches
C. 11 inches
D. 8 inches
3. Which of the following combinations of bends can be used in a conduit run?
A. One 90-degree, six 45-degree and one 30-degree
B. One 90-degree, three 45-degree, and four 30-degree
C. Two 90-degree, four 45-degree, and one 30-degre
4. The internal area of 2-inch IMC is
A. the same as the internal area of 2-inch EMT.
B. less than the internal area of 2-inch EMT.
C. less than the internal area of 2-inch rigid metal conduit.
D. greater than the internal area of 2-inch rigid metal conduit.
12 years ago
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