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Worksheets2 & 4-Stroke & Wankel Engine Quiz
Total questions: 12
Worksheet time: 6mins
Which stroke in a 4-stroke engine draws the air-fuel mixture into the cylinder?
Compression
Intake
Power
Exhaust
What is the primary purpose of the compression stroke?
Expel exhaust gases
Ignite the fuel mixture
Increase pressure and temperature
Lubricate engine parts
In a 4-stroke engine, which stroke produces useful work?
Intake
Compression
Power
Exhaust
How many crankshaft revolutions complete one power cycle in a 4-stroke engine?
One
Two
Four
Half
Which component controls valve timing in a 4-stroke engine?
Crankshaft
Camshaft
Flywheel
Piston rings
Why do 2-stroke engines generally wear faster than 4-stroke engines?
They run at lower speeds
Lack proper lubrication
More moving parts
Use heavier fuel
What component helps transfer the air-fuel mixture in a 2-stroke engine?
Reed valve
Camshaft
Turbocharger
Injector
Which stroke combines exhaust and intake in a 2-stroke engine?
First stroke
Second stroke
Both strokes
Neither
What is the main rotor shape in a rotary (Wankel) engine?
Circular
Oval
Triangular
Square
In a rotary engine, what replaces the reciprocating piston?
Camshaft
Rotor
Crankshaft
Flywheel
What type of motion does the rotor produce in a rotary engine?
Linear
Oscillating
Eccentric orbital
Pure rotation
Which part of the rotary engine forms the combustion chamber?
Rotor housing
Crankcase
Intake manifold
Flywheel
