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Worksheets4-stroke Review
Total questions: 20
Worksheet time: 38mins
What direction is the piston moving on the intake stroke?
left
up
down
right
What direction is the piston moving on the exhaust stroke?
left
up
down
right
What are the valves doing on the compression stroke?
both open
intake open
exhaust closed
Intake closed
exhaust open
both closed
The four strokes of an internal combustion engine are
in, out, combustion, exhaust
intake, out take, compression, power
intake, compression, combustion, exhaust
in, out, power, compression
The four stroke engine cycle begins with the _______ stroke.
combustion
intake
compression
exhaust
On the exhaust stroke .........
the intake and the exhaust valves are opened
the intake valve is closed
the intake and the exhaust valves are closed
the exhaust valve opens; the intake valve is closed
What is it?
combustion stroke
exhaust stroke
intake stroke
compression stroke
What is it?
combustion stroke
comression stroke
intake stroke
exhaust stroke
what is it?
exhaust stroke
combustion stroke
comression stroke
intake stroke
During the first stroke (Intake), what valves are open-if any?
Both closed
Intake valve open, Exhaust closed.
Both are open
Intake valve closed, Exhaust valve open.
During the combustion stroke the piston moves________
In combustion stroke both intake valve and exhaust valve are closed
Match the following
Ignition of the compressed air/fuel mixture occurs
Power stroke
The air/fuel mixture becomes compressed in the cylinder
Compression stroke
The used air/fuel mixture is released
Exhaust stroke
Fuel and air are obtained in the cylinder
Intake stroke
Label the following picture
Intake Valve
Air/Fuel Mixture
Piston
Crankshaft
Exhaust Valve
The four strokes of an internal combustion engine are
in, out, combustion, exhaust
intake, out take, compression, power
intake, compression, combustion, exhaust
in, out, power, compression
