Ignition System Quiz: How Well You Know?

20 Questions | Total Attempts: 6522

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Ignition System Quiz: How Well You Know?

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Questions and Answers
  • 1. 
    Ignition coils are basically:
    • A. 

      Step-down transformers.

    • B. 

      Step-up transformers.

    • C. 

      Ballast resistors.

    • D. 

      Switching transistors.

  • 2. 
    A high-voltage spark must cross the spark plug electrode as the piston approaches top dead center (TDC) of the
    • A. 

      Exhaust stroke.

    • B. 

      Ignition stroke.

    • C. 

      Intake stroke.

    • D. 

      Compression stroke.

  • 3. 
    When the driver turns the key to the start position, an electrical connection is made between the vehicle battery and the ____________ of the ignition coil.
    • A. 

      Secondary winding

    • B. 

      Ballast resistor

    • C. 

      Primary winding

    • D. 

      Distributor

  • 4. 
    The type of ignition system in which two cylinders share one coil is called a:
    • A. 

      Distributor ignition system.

    • B. 

      Waste spark ignition system.

    • C. 

      Coil-on plug ignition system.

    • D. 

      None of the above

  • 5. 
    Most vehicles today use the _________ type of ignition system.
    • A. 

      Coil-on-plug

    • B. 

      Waste spark

    • C. 

      Breakerless

    • D. 

      Distributor

  • 6. 
    The component the ignition system uses to convert low voltage and high current into high voltage and low current is called the:
    • A. 

      Ballast resistor.

    • B. 

      Advance mechanism.

    • C. 

      Condenser.

    • D. 

      Induction coil.

  • 7. 
    The collapse of the magnetic field inside the ignition coil happens as a result of the interruption of current to the:
    • A. 

      Primary winding.

    • B. 

      Secondary winding.

    • C. 

      Ignition control module.

    • D. 

      Electronic control module (ECM).

  • 8. 
    The amount of voltage needed to initially get the spark to jump the spark plug gap is called the:
    • A. 

      Available voltage.

    • B. 

      Required voltage.

    • C. 

      Induced voltage.

    • D. 

      None of the above

  • 9. 
    As engine rpm increases, the ignition timing must:
    • A. 

      Retard.

    • B. 

      Advance.

    • C. 

      Remain the same.

    • D. 

      Remain the same and then retard.

  • 10. 
    The primary winding of the ignition coil has approximately _______ turns of enameled copper wire.
    • A. 

      A few hundred

    • B. 

      1,000

    • C. 

      15,000

    • D. 

      None of the above

  • 11. 
    The hottest part of the spark plug is the:
    • A. 

      Ground electrode.

    • B. 

      Insulator.

    • C. 

      Center electrode.

    • D. 

      Metal shell.

  • 12. 
    The pattern in which a lab scope shows all the cylinders firing in sequence is called the:
    • A. 

      Parade pattern.

    • B. 

      Raster pattern.

    • C. 

      Spark line.

    • D. 

      Firing line.

  • 13. 
    Tech A says that a defective crankshaft or camshaft position sensor can prevent an engine from starting. Tech B says that if a diagnostic trouble code (DTC) indicates a problem with the crankshaft or camshaft position sensor, you will always have to replace the sensor. Who is correct?
    • A. 

      Tech A

    • B. 

      Tech B

    • C. 

      Both Techs A and B

    • D. 

      Neither Tech A nor B

  • 14. 
    Tech A says that you can test for defective ignition wires by using a spray bottle and water. Tech B says that you can test for defective ignition wires with a grounded test lead. Who is correct?
    • A. 

      Tech A

    • B. 

      Tech B

    • C. 

      Both Techs A and B

    • D. 

      Neither Tech A nor B

  • 15. 
    Tech A says that you can test the ignition coil with an ohmmeter. Tech B says you can't test the ignition coil with an oscilloscope. Who is correct?
    • A. 

      Tech A

    • B. 

      Tech B

    • C. 

      Both Techs A and B

    • D. 

      Neither Tech A nor B

  • 16. 
    Tech A says that the crankshaft sensor is used to determine vehicle speed. Tech B says the cam sensor is used to control fuel pump speed. Who is correct?
    • A. 

      Tech A

    • B. 

      Tech B

    • C. 

      Both Techs A and B

    • D. 

      Neither Tech A nor B

  • 17. 
    Tech A says that a Hall-effect sensor can be used in an electronic ignition system. Tech B says that an optical-type sensor can be used in an electronic ignition system. Who is correct?
    • A. 

      Tech A

    • B. 

      Tech B

    • C. 

      Both Techs A and B

    • D. 

      Neither Tech A nor B

  • 18. 
    Tech A says that ignition coils are essentially transformers. Tech B says that the primary side of the coil delivers the high voltage spark that is necessary to jump the plug gap. Who is correct?
    • A. 

      Tech A

    • B. 

      Tech B

    • C. 

      Both Techs A and B

    • D. 

      Neither Tech A nor B

  • 19. 
    Tech A says that a secondary ignition shock is enough to kill you. Tech B says that a secondary ignition shock does not have enough current to kill you. Who is correct?
    • A. 

      Tech A

    • B. 

      Tech B

    • C. 

      Both Techs A and B

    • D. 

      Neither Tech A nor B

  • 20. 
    Tech A says that it is easiest to set the spark plug gap on all the plugs at one time. Tech B says that spark plugs come pre-gapped and you should never have to check spark plug gap. Who is correct?
    • A. 

      Tech A

    • B. 

      Tech B

    • C. 

      Both Techs A and B

    • D. 

      Neither Tech A nor B

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