Vehicle Electrical And Electronic Diagnosis 2

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Vehicle Electrical And Electronic Diagnosis 2 - Quiz

A quiz aimed at level 3 students working towards IMIA qualifications


Questions and Answers
  • 1. 
    Which of the following are benefits of a circuit breaker over a traditional fuse?
    • A. 

      More expensive to produce but can be reset manually

    • B. 

      Easier to replace than a traditional fuse

    • C. 

      Amp rating can be adjusted to add additional circuits

    • D. 

      Quick reaction time and greater reliability

  • 2. 
    A customer complains that their heater fan only works on the high speed setting what is the most common fault?
    • A. 

      Motor Brush Failure

    • B. 

      Resistor Pack Fault

    • C. 

      Broken Switch

    • D. 

      Fuse Blown

  • 3. 
    What two components would you expect to find within a door lock actuator?
    • A. 

      Motor and gear

    • B. 

      Solenoid and gear

    • C. 

      Motor and solenoid

    • D. 

      Relay and Motor

  • 4. 
    When testing an electric window fault it appears that battery voltage is being recieved at both sides of the motor, is this correct or incorrect?
    • A. 

      Incorrect as the motor would burn out

    • B. 

      Correct, as one of the voltages will change when operated

    • C. 

      Correct as both of the voltages would drop to zero when operated

    • D. 

      Incorrect, as the motor requires a difference in voltages to operate

  • 5. 
    When related to multiplexed systems which is the most accurate statement?
    • A. 

      A traditionally wired electrical systems seding and recieving signals to remote control units

    • B. 

      A traditionally wired electrical system incorporating electronic components

    • C. 

      A data bus system recieving signals from remote control units

    • D. 

      A data bus system carrying signals to and from remote control units

  • 6. 
    If a GPS unit fails to locate a vehicle posistion what is the most likely fault? 
    • A. 

      The system has not located the satelittes yet and would continue to send and recieve signals until an exact location is achieved.

    • B. 

      The system needs a minimum of four satelittes in view to operate

    • C. 

      The system needs an input from various sensors on the vehicle to pin point location

    • D. 

      Only two satellites are in view of the reciever

  • 7. 
    If an air conditioning system is controlled by an ECU to gain optimum temperature control within the cabin this is often referred to as....
    • A. 

      Climate Control System

    • B. 

      Cimate Adjustment System

    • C. 

      Automatic Air Conditioning System

    • D. 

      Air Conditioning

  • 8. 
    If a leak in an air conditioning system was present what would you expect to happen?
    • A. 

      The TXV Valve would prevent refrigerant flow

    • B. 

      The system would operate normally unit the gas had been exhausted

    • C. 

      The compessor would have its drive disconnected due to low level refrigerant

    • D. 

      The system would regulate the refrigerant flow for optimum performance

  • 9. 
    If an open circuit within the earth circuit was identified on an electric window what would be the most likely outcome
    • A. 

      The window would not go down

    • B. 

      The window would not operate at all

    • C. 

      The window would go down but not go back up

    • D. 

      The window would operate normally as it has a switched earth

  • 10. 
    What is the term used when a DC motor uses the electrical charge held within the armature to prevent the effects of  inertia when power is removed?
    • A. 

      Regenerative braking

    • B. 

      Regenerative rotation

    • C. 

      Rotational braking

    • D. 

      Electromagnetic braking

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