Hybrid Book - Chapter 4

8 Questions | Total Attempts: 37

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Hybrid Book Quizzes & Trivia

Questions and Answers
  • 1. 
    The LIVC and cam phasing techniques used with an idling Atkinson-cycle engine can yield fuel consumption saving of about ___.
    • A. 

      1% to 3%

    • B. 

      4% to 7%

    • C. 

      5% to 9%

    • D. 

      10% to 13%

  • 2. 
    The Miller cycle is a modified Atkinson cycle in which a(n) ___ is added to an engine in order to increase the compression ratio.
    • A. 

      Throttle plate

    • B. 

      Inlet valve

    • C. 

      Spark plug

    • D. 

      Supercharger

  • 3. 
    The ___ of an Atkinson-cycle engine at low loads is higher than with a comparable Otto-cycle engine.
    • A. 

      Engine efficiency

    • B. 

      Power output

    • C. 

      Air/fuel ratio

    • D. 

      Pumping loss

  • 4. 
    Electric traction systems for automotive use are designed as ___ machines.
    • A. 

      Constant torque

    • B. 

      Constant speed

    • C. 

      Variable-rotor angle

    • D. 

      Switched-pattern field

  • 5. 
    A high expansion ratio delivers a longer power stroke, which reduce the ___.
    • A. 

      Expansion stroke

    • B. 

      Movement of the throttle plate

    • C. 

      Efficiency of the engine

    • D. 

      Heat wasted in the exhaust

  • 6. 
    The ___ cycle enables the compression stroke and expansion stroke to be set independently of each other.
    • A. 

      Miller

    • B. 

      Otto

    • C. 

      Atkinson

    • D. 

      Cylinder deactivition

  • 7. 
    ___ is a measure of how well a vehicle uses its fuel and is calculated based on the ratio of output power to input power.
    • A. 

      Efficiency

    • B. 

      Power stroke

    • C. 

      Torque

    • D. 

      Capacity rate

  • 8. 
    Approximately ___ of the power generated by a supercharged engine is usually required to do the work of driving the supercharger.
    • A. 

      1% to 5%

    • B. 

      5% to 10%

    • C. 

      15% to 20%

    • D. 

      50% to 60%

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