Small Engine Parts And Functions

10 Questions
Function Quizzes & Trivia

This quiz relates to small gas engines with a few questions comparing to diesel and rotary engines as well. It will also explore knowledge of the 2 cycle and 4 cycle engines.

Please wait...
Questions and Answers
  • 1. 
    How many revolutions of the crank shaft are in a complete cycle for a 4-stroke-cycle engine?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 2. 
    How many revolutions of the crank shaft are in a complete cycle for a 2-stroke-cycle engine?
    • A. 

      0

    • B. 

      1

    • C. 

      4

    • D. 

      12

  • 3. 
    The crankshaft has large lobes which act as counterweights, continuing centrifugal force to keep the crank turning after the explosion of the fuel.
    • A. 

      True

    • B. 

      False

    • C. 

      Not enough information given

  • 4. 
    • A. 

      Diesel always uses a carburetor

    • B. 

      Diesel combustion occurs because of intense heat and pressure added to the fuel and air

    • C. 

      Gasoline combustion requires a fuel injector to create the spark

    • D. 

      Diesel engines have oversized spark plugs

  • 5. 
    • A. 

      Oil

    • B. 

      Fins

    • C. 

      Flywheel

    • D. 

      Air

    • E. 

      All of the above

  • 6. 
    The four strokes in order for a 4-stroke-cycle engine are:
    • A. 

      Intake, compression, power, exhaust

    • B. 

      Intake, exhaust, power, compression

    • C. 

      Exhaust exhaust intake power

    • D. 

      None of the above

  • 7. 
    A 2-stoke-cycle engine is likely to be found on:
    • A. 

      Subcompact cars built in Greenland

    • B. 

      Chainsaws and weed trimmers

    • C. 

      Mazda RX-9

    • D. 

      Most lawnmowers and snowblowers

  • 8. 
    To describe a 2-stoke-cycle engine function, understand that:
    • A. 

      The piston lowers allowing exhaust to exit the exhaust port just prior to intake port opening to allow air/fuel/oil into the cylinder.

    • B. 

      The piston raises to the top allowing exhaust to exit the exhaust port just prior to intake port opening to allow air/fuel/oil into the cylinder.

    • C. 

      Blue and Yellow make Green.

    • D. 

      The piston is attached to the head by the valve keeper.

  • 9. 
    Two parts of the camshaft are:  timing gear and ________________________.
  • 10. 
    A _____________________________ or supercharger uses the exhaust to blow in more air into the cylinder.