Hybrid Book - Chapter 11

10 Questions | Total Attempts: 58

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Hybrid Book Quizzes & Trivia

Questions and Answers
  • 1. 
    The typical HEV high-voltage fuse rating is approximately ___ A.
    • A. 

      100

    • B. 

      200

    • C. 

      500

    • D. 

      1,000

  • 2. 
    In most manufacturer systems, the high-voltage fuse is located in the ___.
    • A. 

      Power inverter

    • B. 

      Manual or service disconnect

    • C. 

      Battery pack

    • D. 

      DC-DC converter

  • 3. 
    A Toyota Prius uses ___ to connect battery modules.
    • A. 

      Busbars

    • B. 

      Cables

    • C. 

      Welded tabs

    • D. 

      Looped membranes

  • 4. 
    If the precharge process fails, the high-voltage system will ___.
    • A. 

      Charge the battery pack

    • B. 

      Disable propulsion

    • C. 

      Enable limp-home mode

    • D. 

      Discharge the battery pack

  • 5. 
    The battery-pack controller monitors the voltage of each battery module, or pair of battery modules, as one of the inputs to determine the ___.
    • A. 

      State-of-charge

    • B. 

      Power inverter resistance

    • C. 

      Current-sensor learn cycle

    • D. 

      Propulsion system torque level

  • 6. 
    The primary reason for the precharge system is to protect the ___.
    • A. 

      Power inverter transistors

    • B. 

      Bus capacitors

    • C. 

      Battery-pack controller

    • D. 

      DC-DC converter transformer

  • 7. 
    During regenerative braking, the controller recovers energy that was lost during ___.
    • A. 

      Coasting

    • B. 

      Acceleration

    • C. 

      Braking

    • D. 

      Cornering

  • 8. 
    To monitor the temperature of battery-pack modules, thermistor sensors are placed or mounted ___.
    • A. 

      In front of the cooling fan

    • B. 

      Behind the cooling fan

    • C. 

      On or in critical battery modules

    • D. 

      At each end of the battery pack

  • 9. 
    The braided shielding around each high-voltage cable is used to eliminate or reduce the effects of ___.
    • A. 

      ESD

    • B. 

      RFI

    • C. 

      PWM

    • D. 

      EMI

  • 10. 
    The two categories of battery-pack thermal (cooling) systems are ___.
    • A. 

      Open and closed flow

    • B. 

      Forward and reverse flow

    • C. 

      Passive and active

    • D. 

      Over and under airflow

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