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WorksheetsPrinciples of Engine Operation
Total questions: 12
Worksheet time: 12mins
Name
Class
Date
1.
Select the proper order of the four strokes in an engine.
a)
Compression, Exhaust, Power, Intake
b)
Intake, Power, Exhaust, Compression
c)
Intake, Compression, Power, Exhaust
d)
Compression, Intake, Exhaust, Power
2.
During an intake stroke the _______ moves downward and creates a___________
a)
Piston + Positive Pressure
b)
Piston + Vacuum
c)
Flywheel + Spark
d)
Piston + Explosion
3.
During an intake stroke the intake valve is _________
a)
Pressurized
b)
Inactive
c)
Closed
d)
Opened
4.
During a compression stroke the _______ moves upward and ___________
a)
Flywheel + the exhaust valve is opened
b)
Piston + the intake valve is opened
c)
Piston + compresses fuel air mixture
d)
Muffler + Both valves are opened
5.
During a power stroke the piston moves downward with_____ ___________
a)
A Vaccum
b)
Great Force
c)
an intake
d)
Valves Opened
6.
During a power stroke ____ valves are _______
a)
Both + Closed
b)
Intake + Opened
c)
Both + Inactive
d)
None of the above
7.
During the exhaust stroke the piston moves______
a)
Up
b)
Down
c)
Sideways
d)
The Intake vavle
8.
The intake valve is associated with the _________
a)
Flywheel
b)
Muffler
c)
Carburetor
d)
Sump
9.
The exhaust valve is associated with the _________
a)
Flywheel
b)
Muffler
c)
Carburetor
d)
Sump
10.
Spark occurs between the _____ stroke + the ______ stroke
a)
Compression + Power
b)
Compression + Exhaust
c)
Power + Exhaust
d)
Intake + Compression
11.
The connecting rod is connected to the ______ on the crankshaft
a)
Magneto
b)
Crankpin Journal
c)
Piston
d)
Cylinder Head
12.
The crankshaft converts _______ motion into ________ motion.
a)
vertical + horizontal
b)
slow + "E"
c)
reciprocating + rotary
d)
vertical + rotary
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