The engine fundamentals quiz!

The distance a piston travels up and down in a cylinder is limited by the:

  • Flywheel
  • Camshaft
  • Crankshaft
  • Valve-train

The air fuel mixture is actually burned during the:

  • Power stroke
  • Intake stroke
  • exhaust stroke
  • compression stroke

How many crankshaft rotations are needed to complete the four-stroke cycle?

  • one
  • two
  • three
  • four

Automobile engines normally have:

  • Four cylinders
  • six cylinders
  • eight cylinders
  • all of the above

A flywheel performs each of these functions except:

  • Contains a gear used to start the engine
  • Smooths engine operation
  • Provides lubrication to parts
  • connects crankshaft to transmission

Which of the following causes piston motion during non-power producing strokes?

  • Flywheel
  • Connecting rod
  • Counterweights
  • main thrust bearing

Which of the following components transfers combustion pressure to the crankshaft?

  • Piston
  • Camshaft
  • Valve train
  • Connecting rods

Which of the following keeps a piston from tipping over in its cylinder?

  • Piston pin
  • Piston boss
  • Piston skirt
  • Piston head

An engine has blow-by. option A it is a cracked flywheel. Option B the piston rings are worn. Which is correct?

  • A only
  • B only
  • Both A and B
  • Neither A and B

Which of the following is not a valve-train component?

  • Camshaft
  • Crankshaft
  • Rocker arms
  • Valve springs

Which of the following helps prevent crankshaft vibration and damage?

  • Crank damper
  • Vibration damper
  • Harmonic balancer
  • All of the above

Which of the following is used to turn the camshaft at one-half the speed of the crankshaft?

  • Timing belt
  • Timing chain
  • Timing gears
  • All of the above

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