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WorksheetsSmall Engine Operation
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Identify the proper order of the four strokes in a small engine
a)
intake, compression, exhaust, power
b)
intake, compression, power, exhaust
c)
intake, power, construction, exhaust
d)
exhaust, compression, power, intake
2.
During the intake stroke the piston moves________
a)
up
b)
in both directions
c)
the head bolts
d)
down
3.
During the compression stroke the piston moves________
a)
up
b)
in both directions
c)
the hot gasses out of the cylinder
d)
down
4.
During the power stroke the piston moves________
a)
up
b)
down slighty
c)
in both directions
d)
down
5.
During the exhaust stroke the piston moves________
a)
up
b)
in both directions
c)
the head bolts
d)
down
6.
Match marks are on the _______and the ____________
a)
crankshaft and connecting rod
b)
crankshaft and shroud
c)
crankshaft and camshaft
d)
camshaft and govenor
7.
The power stroke occurs ______percent of one complete cycle in a four stroke engine.
a)
14 %
b)
15 %
c)
20 %
d)
25 %
8.
An event that ignites the fuel air mixture occurs between the _______stroke and the _________stroke
a)
compression and power
b)
power and intake
c)
intake and power
d)
compression and intake
9.
Tappets ride on ______ and push up on _________ __________
a)
camshaft lobes + connecting rod
b)
camshaft lobes and connecting rod
c)
camshaft lobes + poppet valves
d)
none of the above
10.
Select the best answer for the proper sequence for the four strokes in an internal combustion engine.
a)
compression, exhaust , power, intake
b)
compression, power, intake, exhaust
c)
exhaust, power, intake , compression
d)
exhaust, intake, compression, power
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