Hybrid Book - Chapter 3

10 Questions | Total Attempts: 64

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Hybrid Book Quizzes & Trivia

Questions and Answers
  • 1. 
    The two categories of systems that can discharge system high voltage are ___ systems.
    • A. 

      Primary and secondary

    • B. 

      High-voltage and low-voltage

    • C. 

      Active and passive

    • D. 

      Level 1 and Level 2

  • 2. 
    SAE J1673 standard states that "all high-voltage covering and/or cabling shall be visually identified with ___ covering."
    • A. 

      Red

    • B. 

      Orange

    • C. 

      Blue

    • D. 

      Black

  • 3. 
    The two types of interlock loop designs that can be used to monitor a high-voltage system are ___ systems.
    • A. 

      Serial and local

    • B. 

      Primary and secondary

    • C. 

      High-loop and low-loop

    • D. 

      Interlock A and Interlock B

  • 4. 
    A serial interlock loop system is designed to ___ if its circuit is broken or opened
    • A. 

      Immediately stop propulsion

    • B. 

      Reduce propulsion power by 50%

    • C. 

      Open battery-pack relays/contactors

    • D. 

      Light the MIL

  • 5. 
    A ___ is used to assist in identifying the location of an isolation fault.
    • A. 

      Voltage tester

    • B. 

      Hall effect transducer

    • C. 

      Wattage tester

    • D. 

      Megohmmeter

  • 6. 
    ___ can result when isolation-fault detection, diagnosis, and repair are not performed.
    • A. 

      Damage to the hybrid controller

    • B. 

      Electrical shock

    • C. 

      Power inverter damage

    • D. 

      Delay of vehicle power-up

  • 7. 
    A passive discharge circuit uses a(n) ___ to discharge energy in the high-voltage bus capacitors.
    • A. 

      Resistor

    • B. 

      Diode

    • C. 

      Comparator

    • D. 

      Op-amp

  • 8. 
    A local interlock loop uses ___ to open the contractors when the high-voltage system has been breached.
    • A. 

      LED signaling

    • B. 

      LAN communications

    • C. 

      Selective discharging

    • D. 

      Passive safety systems

  • 9. 
    The purpose of the isolation-fault detection circuit is to monitor the ground of the vehicle chassis for ___.
    • A. 

      Hybrid-controller resistance

    • B. 

      Battery-pack voltage fade

    • C. 

      Power-inverter damage

    • D. 

      Voltage leakage

  • 10. 
    The Lexus RX400h and Toyota Highlander hybrids use ___ interlock systems.
    • A. 

      Serial

    • B. 

      Local

    • C. 

      Grounded-switch

    • D. 

      Open-controller

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