The 4 stroke cycle explained

Most vehicles on the road are powered by a reciprocating piston internal combustion engine (ICE).

• True

• False

How many revolutions of the crankshaft are necessary to complete the 4 stroke cycle?

• 1

• 2

• 3

• 4

What does the acronym TDC stand for?

What does the acronym BDC stand for?

In which stroke does the combustion process push the piston down to create rotational mechanical energy?

• Intake

• Compression

• Power

• Exhaust

The fuel and air mixture gets squeezed into a smaller volume during which stroke?

• Intake

• Compression

• Power

• Exhaust

During which two strokes are the intake and exhaust valves CLOSED?

• Intake

• Compression

• Power

• Exhaust

During which two strokes are the intake or exhaust valves OPEN?

• Intake

• Compression

• Power

• Exhaust