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Worksheets4 Stroke Engine Parts
Total questions: 20
Worksheet time: 16mins
Name
Class
Date
1.
Turns reciprocating motion (up and down) into rotary motion (round and round
a)
Camshaft
b)
Crankshaft
c)
Piston
d)
Valve
2.
Fills the area of the engine called the Cylinder
a)
Lifter
b)
Filler
c)
Cam gear
d)
Piston
3.
Camshaft turns at what speed compared to the crankshaft
a)
Same speed
b)
1/2 Speed
c)
2/1 Speed
d)
1/1 Speed
4.
The length the piston moves from top to bottom or bottom to top is called
a)
Stroke
b)
Bore
c)
Movement
d)
Lenght
5.
The definition of a cam is.
a)
Something that moves a valve
b)
A stick with bumps
c)
A spinning piece of metal
d)
Circle with an offset hole.
6.
What is the order of operation of a 4 stroke engine
a)
Intake, Power, Compression, Exhaust
b)
Exhaust, Intake, Compression, Power
c)
Intake, Compression, Power, Exhaust
d)
Compression, Exhaust, Power, Intake
7.
What keeps the oil below the piston, and compression above the piston?
a)
Bearing
b)
Rings
c)
Necklaces
d)
Braclets
8.
What is valve timing?
a)
opening the valve at the right time
b)
closing the valve at the right time
c)
opening and closing of the valve at the right time
d)
not important
9.
If you wanted to change the stroke of the engine, you would have to change what engine part?
a)
Valves
b)
Piston
c)
Connecting Rod
d)
Crankshaft
10.
Of the two valves inside the engine, which one is bigger?
a)
Intake
b)
Exhaust
c)
Same size
d)
Neither
11.
Octane is gasolines ability to
a)
Burn easily
b)
Not burn easily
c)
Be stable
d)
Not be dangerous
12.
How many degrees of rotation does the crankshaft rotate to complete all the 4 stroke engine cycle.
a)
180
b)
360
c)
540
d)
720
13.
Revolutions per minute (RPM) is the measurement of
a)
Piston Speed
b)
Camshaft direction
c)
What stroke is happening
d)
How fast the crankshaft is turning
14.
The rocker arm transfers
a)
Motion of cam to valve
b)
Oil to valve spring
c)
Speed to crankshaft to camshaft
d)
Direction of travel from piston to connection rod
15.
Bolts sizes are known by
a)
Strength and length
b)
Diameter and thread pitch
c)
Color and wrench size
d)
Rough and Smooth
16.
Engine displacement is the measure of
a)
How much air all the pistons can move in a singular stroke
b)
How much one piston can move
c)
The size of the outside of the engine
d)
How much oil an engine holds
17.
Having the valve open at the right time compared to piston movement
a)
Ignition Timing
b)
Piston Timing
c)
Engine Timing
d)
Valve Timing
18.
What is the benefit of a low number in motor oil?
a)
Flows easily cold
b)
Smells better
c)
Runs cooler
d)
Cleans better
19.
The burning of gasoline to make engines run is the conversion of
a)
Chemical engergy to mechanical energy
b)
Fluid energy to moving energy
c)
Thermal energy to mechanical energy
d)
Chemical energy to thermal energy
20.
The major difference in two stroke and two stroke engines is
a)
The type of parts
b)
Number of strokes to complete a power cycle
c)
Mixing oil with the gas
d)
What it is used on
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