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WorksheetsFour-Stroke Cycle Quiz
Total questions: 12
Worksheet time: 6mins
What are the four strokes in the four-stroke cycle of an internal combustion engine?
Intake, Compression, Power, Exhaust
Suction, Expansion, Ignition, Emission
Inlet, Squeeze, Combustion, Outflow
Draw, Compress, Ignite, Expel
During which stroke does the piston move upward, squeezing the air-fuel mixture?
a) Intake
b) Compression
c) Power
d) Exhaust
What is the purpose of the exhaust stroke in the four-stroke cycle?
a) To expel burned gases
b) To draw in air-fuel mixture
c) To compress the air-fuel mixture
d) To generate power
Which stroke is responsible for producing performance in the internal combustion engine?
a) Intake
b) Compression
c) Power
d) Exhaust
What initiates the combustion process in the internal combustion engine?
a) Glow plug
b) Piston
c) Spark plug
d) Crankshaft
During which stroke does the exhaust valve open, allowing the burned gases to exit the combustion chamber?
a) Intake
b) Compression
c) Power
d) Exhaust
What type of combustion occurs during the power stroke?
Premature combustion
Controlled combustion
Post-ignition
Detonation
What is the function of the crankshaft in the four-stroke cycle?
Igniting the fuel
Converting reciprocating motion to rotational motion
Controlling valve timing
Regulating fuel injection
What component regulates the flow of air and fuel into the combustion chamber during the intake stroke?
Piston
Spark plug
Carburettor or fuel injector
Camshaft
What is the typical firing order for a four-cylinder engine in the power stroke?
1-2-3-4
1-3-4-2
1-4-2-3
1-2-4-3
Which is the correct pairings for companion cylinders?
1&2, 3&4
1&4, 2&3
1&3, 2&4
If cylinder 2 is on the compression stroke, what stroke MUST cylinder 3 be on?
Intake
Compression
Power
Exhaust
