Automotive 3 assignments
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AURETR031 Diagnose and repair ignition systems |
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Assessment 1 – Questioning – Written Assessment |
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Student Name |
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Student ID Number |
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Unit Start Date |
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Unit End Date |
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Assessment Due Date |
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Date Submitted |
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This cover sheet is to be completed by the student and assessor and used as a record to determine student competency in this assessment task |
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The assessment process and tasks were fully explained. |
Yes / No |
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I am aware of which evidence will be collected and how. |
Yes / No |
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I am aware of my right to appeal an assessment decision. |
Yes / No |
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I am aware that I can locate the RTO’s Complaints and Appeals Policy and Procedure on their website at (insert website address) |
Yes / No |
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I have discussed any additional educational support or reasonable adjustments I require in order to undertake this assessment with the Student Support Services Officer and Trainer / Assessor, (if applicable). e.g. Student Handbook and Access and Equity Policy (insert website address) |
Yes / No |
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I have access to all required resources? |
Yes / No |
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Cheating & Plagiarism Declaration |
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Student Declaration: In accordance with the RTO’s Plagiarism Policy, I hereby acknowledge by signing this declaration that I have not cheated or plagiarised any work regarding the assessment tasks undertaken in this unit of competency except where the work has been correctly acknowledged. NOTE: Student must sign this prior to submitting their assessments to the assessor |
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Signature |
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Date: |
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Assessment Results |
Satisfactory |
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Not Yet Satisfactory |
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(Please circle the assessment result for this task) |
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Feedback to Student - Please provide general feedback on the Student’s performance |
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Student Declaration: - I verify that the work completed is my own and that I was adequately informed of the assessment process prior to commencing this assessment task. |
Assessor Declaration: - I verify that I have adequately explained and negotiated the assessment tasks with the student prior to commencing assessment. |
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Student Signature |
Assessor Signature |
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Date |
Date |
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Context and Conditions of Assessment |
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This assessment will ensure that the elements, performance criteria, performance evidence and knowledge evidence required and conditions are adhered to demonstrate competency in this unit assessment task. · Read the assessment carefully before commencing. · This is an open book assessment and will be conducted at the RTO address. · Your Assessor will use the assessment criteria in this document and will provide feedback / comment. · You must answer all the questions in the assessment tasks in your own words and own handwriting. · This assessment will be required to be completed in 16 hours · Your Trainer / Assessor will inform you of the due date for this assessment task. · Your Assessor will grade as either S – Satisfactory or NS – Not Satisfactory for the assessment. In all cases your Assessor will provide you with feedback. · Only when all assessment tasks have been graded as S – Satisfactory you will be deemed C – Competent in the final result of the unit of competency; if you do not satisfactorily complete all the assessment tasks you will be deemed NYC – Not Yet Competent. |
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Re-Assessment Conditions |
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· If the evidence is graded as NS – Not Satisfactory you will be required to re-submit the evidence. In this case, you will be provided with clear and constructive feedback based on the assessment decision so that they can improve your skills / knowledge prior to reassessment. · Where a ‘NS – Not Satisfactory’ judgement is made, you will be given guidance on steps to take to improve your performance and provided the opportunity to resubmit evidence to demonstrate competence. The assessor will determine and discuss the reasons for NS – Not satisfactory on any of the criteria and will assess you through a different method of assessment e.g. verbal/oral questioning, problem solving exercises. · You will be notified within 10 working days of undertaking an assessment of their result in achieving competency · If a student does not complete the assessment, they should notify their trainer as to why they did not complete the assessment and if due to illness, a medical certificate must be produced. “This process is detailed more in the “Training and Assessment Policy and Procedure” · In the above scenario, student will be given an opportunity for reassessment within 5 working days with no reassessment fee charged. · Students who are deemed to be Not Yet Competent (NYC) will be provided with information identifying the areas in which they failed to achieve competency. Students will then have the opportunity to repeat the assessment task within 5 working days of notification with no reassessment fee charged. · If a student is deemed NYC in the reassessment or if the student did not approach the RTO within five working days with a valid reason for not availing themselves of the reassessment opportunity, then those students will be given a final chance to re-sit the assessment and will be charged at $200.00. · If a student is found to be cheating or plagiarising their assessment, a $200.00 reassessment fee will be charged for reassessing the assessment within 5 working days. · If the student is found to be plagiarising or cheating again after conclusion of the Intervention meeting with the Course Co-ordinator, the matter will be referred to the CEO / Operation Manager which may result in the suspension or cancellation of their enrolment · The RTO has intervention strategies, including student support services available to enable students to complete qualification in the expected time frame. Students at risk of not completing within this time frame are identified as early as possible and an intervention strategy is put in place. |
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The RTO will ensure access to: |
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· automotive repair workplace or simulated workplace · workplace instructions · manufacturer ignition system specifications · two different vehicles, vessels or machinery with ignition system faults · diagnostic equipment for ignition systems, including: · multimeter · scan tool · oscilloscope · tools, equipment and materials appropriate for repairing vehicle, vessel or machinery ignition systems. |
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Evidence to be submitted by the student: - |
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Completed written responses to the questions in the assessment task |
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Assessment Decision Making Rules |
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Your assessor will assess the evidence submitted for the following elements, performance criteria, performance evidence and knowledge evidence to confirm that the student evidence submitted demonstrates validity, sufficiency, authenticity and confirms current skills and knowledge relevant to the unit of competency. Your assessor will be looking for the following in this assessment task: - · work health and safety (WHS) and occupational health and safety (OHS) requirements relating to diagnosing and repairing ignition systems, including procedures for: · using specialised tools and equipment · using appropriate personal protective equipment (PPE) · identifying hazards and controlling risks associated with: · working on high voltage ignition systems · wearing jewellery while working around high current wiring systems · operating principles of ignition systems and associated components, including: · generating principles, including Faraday’s law and inducing an electromotive force (EMF) · application, purpose and operation of ignition systems and components, including: · ignition coils, including: · internal component function and operation: primary windings, iron core and secondary windings · electromagnetic induction in the coil · spark plugs: identification, thread size, reach, heat range, resistance-type plugs, and type and number of earth electrodes · ignition leads · Kettering ignition system, including: · primary section: battery, ignition switch, ballast resistor, ignition coil primary windings, contact breaker point and capacitor · secondary section: ignition coil secondary windings, coil high tension lead, rotor button and distributor cap, spark plug high tension leads and spark plugs · firing order · ignition timing and methods of varying timing according to engine load and speed · electronic ignition systems, including: · pulse generator systems: stator and rotor units, ignition control units, current limiting and dwell control · Hall effect systems: Hall effect device, and permanent magnet and signal waveform · optical ignition systems: light emitting diodes (LEDs), rotating disc and optical electronic semiconductors · magneto ignition systems: shuttle and inductor magnetos, and energy transfer ignition systems · capacitive discharge ignition (CDI) systems: · transformer, charging circuit, triggering circuit, main capacitor and rectifier · alternating current CDI · direct current CDI · waste spark ignition systems · coil on plug ignition systems · diagnostic testing procedures for ignition systems, including: · using diagnostic flow charts · testing electrical systems, including procedures for: · accessing electrical terminals and using test probes without damaging connectors, fuse holders or wiring · checking resistance, current flow and voltage drop of ignition system circuits · testing ignition coils · using oscilloscopes, including interpreting ignition system primary and secondary waveforms · repair procedures for ignition systems, including: · removing and replacing faulty or damaged components · setting contact breaker gap and checking dwell · adjusting ignition system timing · removing, replacing and re-timing distributors · post-repair testing procedures for ignition systems, including static and dynamic performance tests of ignition systems. |
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Assessment 1 – Questioning |
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Written Assessment |
1. Why should you NEVER use a test-light to diagnose components and wires in computer systems?
2. NEVER use a test light to probe for power in an electronic circuit.
3. You should NEVER connect a ‘self-powered’ test-light to a circuit that is powered. Why?
4. Analogue meter cannot be used on a computer-controller circuit unless expressly directed to do so in the workshop manual. Why?
5. Explain why the leads of an ammeter should NEVER be place the across the battery or a load.
6. Identify five (5) important items of personal safety.
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2
3
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7. What precautions should be observed when working around high voltage ignition systems.
8. Rings, necklaces, bracelets and watches should not be worn while working around starting systems. Why?
9. Explain the three (3) things an ignition system must be able to do?
10. Describe the principle of “Faraday’s Law”?
11. Electromotive force is measured in volts?
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True or False: |
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12. A late model ignition system can supply 30,000 to 60,000 volts of electricity.
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True or False: |
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13. Explain the purpose of the ignition system?
14. What happens when the low-voltage current flow in the coil primary winding is interrupted by the switching device?
A. The magnetic field around the primary winding collapses
B. The movement of the magnetic field across the winding induces a high voltage in the secondary winding
C. Both “The magnetic field around the primary winding collapses” and “The movement of the magnetic field across the winding induces a high voltage in the secondary winding”
D. Neither “The magnetic field around the primary winding collapses” nor “The movement of the magnetic field across the winding induces a high voltage in the secondary winding”
15. Complete the following statement about primary windings using the following words.
Words: Collapse, Field, Ground, Magnetic, Passes, Primary, Stopped, Switch,
When the ignition __________ is on, current from the battery flows through the ignition switch and primary circuit resistor to the __________ winding of the ignition coil. From there it __________ through some type of switching device and back to __________. The current flow through the ignition coil’s primary winding creates a magnetic field. As the current continues to flow, the __________ field gets stronger. When the triggering device signals to the switching unit that the piston is approaching TDC on the compression stroke, current flow is __________. This causes the magnetic field around the primary winding to __________ across the secondary winding. The movement of the magnetic __________ across the winding induces a high voltage in the secondary winding. The action of the secondary circuit begins at this point.
16. Which of the following components is part of the primary ignition circuit?
A. Spark plug
B. Spark plug cable
C. Ignition switch
D. Neutral safety switch
17. Name the components of the ignitions primary circuit.
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2
3
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18. The ignition coil is essentially a pulse?
19. Explain what the secondary windings do in the ignition system?
20. Name the parts of a conventional coil below.
https://www.ngk.com.au/technical_info/ignition-coils-in-detail-2/
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1 2 3 4 5 6 7 8 9 10 11 12 13 |
21. Name the parts of a block (waste spark) coil below.
https://www.ngk.com.au/technical_info/ignition-coils-in-detail-2/
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1 2 3 4 5 6 7 |
22. Name the parts of a pencil (COP) coil below.
https://www.ngk.com.au/technical_info/ignition-coils-in-detail-2/
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1 2 3 4 5 6 |
23. The primary coil is normally composed of 100 to 200 turns of 20-gauge wire.
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True or False: |
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24. The secondary coil consists of 15,000 to 25,000, or more, turns of very fine copper wire.
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True or False: |
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25. What happens when the low-voltage current flow in the coil primary winding is interrupted by the switching device?
26. Complete the following statement about electromagnetic induction in the coil using the following words.
Words: Conductor, Circuit, Current, EMF, Field, Force, Magnetic, Maximum, Primary, Reactance, Spark, Winding
Because of the effects of counter __________ on the current flowing through the primary winding, it takes some time for the coil to become fully magnetised or saturated. Therefore, __________ flows in the primary winding for some time between firings of the __________ plugs. The period of time during which there is __________ current flow is often called dwell. The length of the dwell period is important.
When current flows through a __________, it will immediately reach its maximum value as allowed by the resistance in the __________. If a conductor is wound into a coil, maximum current will not be immediately achieved. As the __________ field begins to form as the current begins to flow, the magnetic lines of __________ of one part of the winding pass over another part of the __________. This tends to cause an opposition to current flow. This occurrence is called __________. Reactance causes a temporary resistance to current flow and delays the flow of current from reaching its maximum value. When __________ current flow is present in a winding, the winding is said to be saturated and the strength of its magnetic __________ will also be at a maximum.
27. A typical coil requires 2 to 6 milliseconds to become saturated.
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True or False: |
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28. Name the parts of a typical spark plug below.
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1 2 3 4 5 6 7 8 9 |
29. Spark plug fires before the piston reaches top dead centre (TDC).
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True or False: |
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30. A spark plug’s ceramic core or insulator acts as a heat conductor.
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True or False: |
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31. Reach, heat range, and air gap are all characteristics that affect the performance of which ignition system component?
A. Ignition coils
B. Ignition cables
C. Spark plugs
D. Breaker points
32. Resistor-type spark plugs, the resistor increases the plug firing voltage.
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True or False: |
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33. Resistor-type spark plugs, the resistor helps reduce radio frequency interference [RFI], which can interfere with, or damage, radios, computers, and other electronic accessories, such as GPS systems.
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True or False: |
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34. By what factor is the heat range of a spark plug determined?
35. What is spark plug reach?
36. Why is the correct spark plug heat range important?
37. Some spark plugs have platinum or iridium tipped electrodes to extend the life of the plug.
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True or False: |
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38. The ribs on a spark plug help prevent electric arcing on the outside of the insulator.
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True or False: |
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39. The hex size [socket size] used for tightening and losing the spark plugs is either 5/8 in. or ______.
A. 19 mm
B. 22 mm
C. 11/16 in.
D. 13/16 in.
40. Automotive spark plugs are available with thread diameter of?
41. Complete the following statement about ground electrode designs using the following words.
Words: Combustion, Electrodes, Fire, Flame, Four, Gap, Jump, Points, Resistance, Spark, U-groove
Electrode Designs Spark plugs are available with many different shapes and numbers of __________. When trying to ascertain the advantages of each design, remember the __________ is caused by electrons moving across an air gap. The electrons will always __________ in the direction of the least electrical resistance. Therefore, if there are __________ ground electrodes to choose from, the electrons will jump to the closest. Also, keep in mind that the contents and pressure of the air in the air __________ influences the resistance of the air gap. Again, the electrons will jump across the path of least __________. Therefore, spark plugs with four ground electrodes do not typically supply a spark to all four electrodes.
Some ground electrodes have a __________ machined into the side that faces the centre electrode. The U-groove allows the flame front to fill the gap formed by the U. This ball of __________ develops a larger and hotter flame front, leading to a more complete __________. One brand of spark plug has a V-shaped ground electrode. This style of electrode does not block the __________ front and allows it to travel upward through the V notch into the combustion chamber. These spark plugs may be equipped with three separate __________ of platinum, one at each end of the V and the other at the centre electrode.
42. Name the parts of the spark plug lead below.
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1 2 3 4 5 6 |
43. Modern ignition cables contain carbon fibre cores that act as a(n) ____ in the secondary circuit to cut down on radio and television interference and reduce spark plug wear.
A. Insulator
B. Resistor
C. Semiconductor
D. heat shield
44. Explain what the spark plug leads do in the ignition system?
45. A ballast resister is incorporated to:
A. Assist starting
B. Improve starter operation
C. Improve point life
D. Increase performance under load
46. A condenser is used to enhance spark voltage and:
A. Improve starting
B. Improve contact durability
C. Decrease point life
D. Assist the ballast
47. Name the component of the Kettering ignition system below.
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1 2 3 4 5 6 |
7 8 9 10 11 12 |
48. The breaker points that are inside the distributor are also referred to as:
A. Coil points
B. Ignition points
C. Contact points
D. Distributor points
49. The capacitor, is also known as the:
A. Diode
B. Transformer
C. Condenser
D. Coil
50. Explain the operation of the primary circuit in a breaker point ignition.
51. Explain the operation of the secondary circuit in a breaker point ignition.
52. What is an engine’s firing order?
53. Complete the following statement about ignition timing using the following words.
Words: Adjusted, Advance, Degrees, Earlier, Engine, Pressure, Stroke
When an engine is idling, the spark is timed to occur at a specified number of __________ before top-dead-centre (TDC) of the compression __________. This allows time for combustion to start and build __________ before the piston commences its downward power stroke. At higher __________ rpm, with increased piston speeds, the spark has to occur __________ to allow the same time before the piston reaches TDC.
The spark timing has also to be __________ to suit the load imposed on the engine. At light engine loads the spark timing can be advanced, but for heavy engine loads less spark __________ is needed and so the timing is retarded
54. There are three (3) general methods of controlling spark advance. What are they?
1
2
3
55. Centrifugal advance is directly related to?
56. Vacuum advance is directly related to?
57. Describe the term “dwell time”?
58. Magnetic pulse generators produce a weak DC voltage when the teeth of the trigger wheel rotate past the pickup coil.
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True or False: |
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59. The magnetic field surrounding the pickup coil in a magnetic pulse generator moves when the ______.
A. Reluctor tooth approaches the ignition coil
B. Reluctor tooth begins to move away from the pickup coil
C. Reluctor tooth begins to move away from the ignition coil
D. The pickup coil is midway between two reluctor teeth
60. A magnetic pulse generator type sensor generates a small AC voltage each time one of the machined slots in the trigger wheel passes by.
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True or False: |
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61. Some ignition systems use dual Hall-effect sensors that produce a 3x and 18x/revolution pulse.
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True or False: |
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62. A hall-effect switch generates a square wave voltage signal.
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True or False: |
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63. A magnetic pulse generator consists of two parts: a reluctor (trigger wheel) and a pick-up coil.
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True or False: |
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64. A Hall-effect sensor has three wires connecting it to the PCM: (1) a 5- to 12-volt reference voltage, (2) ground, and (3) signal voltage.
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True or False: |
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65. Some engines use a photoelectric (optical) sensor designed with an LED, a phototransistor, and a slotted disc to identify crankshaft position.
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True or False: |
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66. Complete the following statement about ignition timing using the following words.
Words: Crankshaft, Cylinders, Interrupter, LED, Optical, Photoelectric, Ring, Voltage
Some distributor ignition systems relied on __________ sensors to monitor engine position. These sensors are also called __________ sensors. They consisted of an __________, a light-sensitive phototransistor (photo cell), and a slotted disc called an interrupter. As the __________ rotated between the LED and the photo cell, a square wave __________ signal was generated in the photo cell. Photoelectric sensors may combine both the CKP and CMP sensors together, using one interrupter __________ and two sets of LEDs and photo cells. The CKP uses 360 slots in the interrupter, one for each degree of __________ rotation. The CMP uses the number of slots equal to the number of __________ of the engine. The slot for cylinder number one is larger to differentiate it from the others.
67. Name the three (3) classified magneto ignition system.
1
2
3
68. On the High-Tension Magnet ignition system, the position of the magnets on the flywheel is very important. Why?
69. For the high-Tension Magneto system to work, where must the ignition coil be mounted?
70. The main difference between the Low-Tension Magneto ignition system and the High-Tension system?
71. Complete the following statement about Energy-Transfer ignition systems using the following words.
Words: Difference, Ignition, Magnetic, Parallel, Series, Voltage
The energy-transfer __________ system is the most popular type of magneto ignition system found on motorcycles. The primary __________ between the energy-transfer system and the magneto systems previously discussed is that the breaker points are connected in __________ with the primary circuit instead of in __________. By having the points wired in parallel, the primary winding in the ignition coil induces __________ into the secondary windings by using a rapid build-up of a __________ field instead of a rapid collapse of the field.
72. On the Capacitor Discharge Ignition (CDI) system, what happen to the exciter coil as the flywheel rotates past it?
73. What does the capacitor do in the Capacitor Discharge Ignition (CDI) unit?
74. On some Capacitor Discharge Ignition (CDI) system, they use direct current from the battery as it source of voltage. A voltage booster is used to amplified the battery voltage to?
A. 100 volts
B. 200 volts
C. 300 volts
D. 400 volts
75. The waste-spark ignition system on a four-cylinder engine with dual plug [two spark plugs per cylinder] cylinder heads requires four ignition coils.
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True or False: |
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76. The waste-spark ignition system using one ignition coil for every two cylinders. Two plugs fire at the same time, with one wasting the spark on the exhaust stroke.
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True or False: |
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77. The waste-spark ignition system using one ignition coil for every two cylinders. One plug fires in the normal direction and the other in reversed polarity.
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True or False: |
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78. Describe a waste spark ignition system.
79. The Coil-over-plug (COP) ignition system allows the ignition timing for each cylinder to be individually changed for maximum performance as the system responds to knock sensor signals.
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True or False: |
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80. One of the advantages of a coil-on-plug type ignition system is that it eliminates the need for ______.
A. Crankshaft position sensor [CKP]
B. Camshaft position sensor [CMP]
C. Knock sensor [KS]
D. Spark plug wires
81. Describe a coil-on-plug (COP) ignition system.
82. Diagnostic aids include?
A. Decision trees
B. Symptom-based diagnostics
C. A combination of “decision trees” and “symptom-based diagnostics”
D. None of these answers are correct
83. The first step in a logical diagnostic approach is to?
A. Gather information
B. Verify the problem exists
C. Research the information
D. None of these answers are correct
84. Complete the following statement about front and back probing using the following words?
Words: Cause, Circuits, Connector, Copper, Correct, Damage, Deform, Diagram, Fault, Measurements, Probing, Problem, Safety, Terminals, Wire
When making any checks with a meter, follow all __________ precautions. Try to take all measurements at a
connector. Because the terminals at the connector can be __________ by inserting a meter’s test leads into
the connector, always use the __________ adapter on the ends of the test leads. Adapters are available to match the size of the __________. Using too large of an adapter can __________ the terminals. When measurements are taken at the mating side (front) of a disconnected __________, this is called front probing. When measurements are taken at the back or wire side of a connected connector, this is called back __________. Front probing is the preferred way to take __________. At times, it may be necessary to make direct contact with a wire by piercing through the insulation. Make sure not to damage the __________ and cover the pierced area with electrical tape or clear fingernail polish. This will prevent the __________ wire from corroding.
The key to identifying the exact __________ of the problem is limiting all testing to the components and __________ that could be causing the problem. An understanding of the __________, coupled with an understanding of the circuit, will lead to the __________. A wiring diagram will serve as the map to the problem. Your understanding and knowledge will tell you where you want to go and the wiring __________ will tell you how to get there.
85. An infinite reading means that the coil windings has zero resistance and is shorted.
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True or False: |
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86. The secondary winding in a waste spark [doubled-ended] coil should be checked by connecting the meter across the two secondary terminals.
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True or False: |
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87. An ohmmeter connected to the leads of a pickup coil in a DI ignition system reads 14 ohms of resistance. The reading indicates that the pickup coil ______.
A. Is satisfactory
B. Is shorted
C. Is open
D. Has high resistance
88. Describe how to test the integrity of a suspect electrical connection.
89. Interpret the following primary and secondary oscilloscope waveforms below.
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1 2 3
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1 2 3 4 5 6 7 |
90. Complete the following statement about removing and replacing spark plug wires using the following words.
Words: Air, Cable, Compression, Fire, Installed, Magnetic, Piston, Plug, Secure, Spark
When spark plug wires are being __________, make sure they are routed properly as indicated in the vehicle’s service manual. When removing the spark plug wires from a spark plug, grasp the __________ plug boot tightly, and twist while pulling the __________ from the end of the plug. When installing a spark plug wire, make sure the boot is firmly seated around the top of the plug, then squeeze the boot to expel any __________ that may be trapped inside.
Two spark __________ wires should not be placed side by side for a long span if these wires fire one after the other in the cylinder firing order. When two spark plug wires that __________ one after the other are placed side by side for a long span, the __________ field from the wire that is firing builds up and collapses across the other wire. This magnetic collapse may induce enough voltage to fire the other spark plug and wire when the __________ in this cylinder is approaching TDC on the __________ stroke. This action may cause detonation and reduced engine power.
Also make sure that the wires are __________ in their looms and that the looms are properly placed.
91. Removing and replacing spark plugs should be done with a spark plug socket.
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True or False: |
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92. Explain the procedure to adjusted contact breaker gap and dwell angle.
93. Only engines equipped with a distributor may need to have their ignition timing set or adjusted.
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True or False: |
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94. Complete the following statement about adjusting ignition timing using the following words
Words: Base, Crankshaft, Degrees, Flashes, Flywheel, Number, Passes, Pulley, Retarded, Rotate, TDC, Timing,
To check the ignition __________, a timing light is aimed at the ignition timing marks. The timing marks are usually located on the crankshaft pulley or on the __________. A stationary pointer, line, or notch is positioned above the rotating timing marks. The timing marks are lines on the crankshaft __________ or flywheel that represent various positions of the piston as it relates to __________. When piston 1 is at TDC, the timing line or notch will line up with the zero-reference mark on the timing plate. Usually an engine is timed so that the __________ 1 spark plug fires several degrees BTDC. The timing light __________ every time the number 1 spark plug fires. When pointed at the timing marks, the strobe of the light will freeze the spinning timing marks as it __________ the timing scale. The ignition timing is checked by observing the degrees of __________ rotation (BTDC or ATDC) when the spark plug fires.
After you have a __________ timing reading, compare it to the specifications. As an example, if the specification calls for 10 __________ before TDC and your reading was 3 degrees before TDC, the timing is __________ 7 degrees. This means the timing must be advanced by 7 degrees. To do this, __________ the distributor until the timing marks align at 10 degrees. Then retighten the distributor hold-down bolt.
95. Explain the procedure to remove a distributor.
96. Explain the procedure to refit a distributor.
97. After completing repairs on a vehicle, why must you recheck the ignition system?
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Written Assessment – AURETR031 |
Created Date: |
10th June 2018 |
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© Aspen College |
Last Modified Date: |
21st March 2019 |
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RTO ID 45482 CRICOS Code 03753A |
Version 2.1 |
Page 1 of 5 |