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Engine Repair Final

Total questions: 55

Worksheet time: 31mins

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.
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
12.
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
13.
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
14.
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
15.
Having the valve open at the right time compared to piston movement
a)
Ignition Timing
b)
Piston Timing
c)
Engine Timing
d)
Valve Timing
16.
What is the benefit of a low number in motor oil?
a)
Flows easily cold
b)
Smells better
c)
Runs cooler
d)
Cleans better
17.
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
18.
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
19.
a)
Crankshaft
b)
Drive shaft
c)
Camshaft
d)
Differential
20.
When the cylinder head is bolted to the block, a ________________ is installed between the head and block to maintain an airtight and watertight seal.
a)
Manifold
b)
Head Gasket
c)
Crossover
d)
Header
21.
The Acronym TDC means...
a)
Telephone Direct Call
b)
Tread Design Correction
c)
Top Dead Center
d)
Timing Done Correctly
22.
A Hiss is observed coming from the tailpipe during a Cylinder leakage test. The MOST Likely cause is...
a)
Faulty Head Gasket
b)
Worn Piston Rings
c)
Damaged Intake Valve
d)
Damaged Exhaust Valve
23.
The camshaft moves rods that are attached to?
a)
Cylinder
b)
Intake/Exhaust Valve
c)
Piston
d)
Crankcase
24.
In the intake stroke, the piston pulls in ?
a)
Air only
b)
Air and Fuel
c)
Oil, fuel, and air
d)
nitro
25.
the exhaust stroke, pulls out the emissions by opening up?
a)
exhaust moffler 
b)
exhaust valve
c)
crankcase 
d)
cylinder
26.

What is this part called

a)

Moon Cap

b)

Thrust Bearing

c)

Half Bearing

d)

Shim Bearing

27.

An engine does not reach operating temperature while being driven. Which of these could be the cause?

a)

A slipping water pump belt

b)

A stuck open thermostat

c)

A stuck closed thermostat

d)

A clogged radiator passage

28.

Green fluid is noticed on the ground beneath a vehicle’s engine. This condition could be caused by a leak at the?

a)

Oil Filter Housing

b)

Water Pump

c)

Transmission Cooler Line

d)

Valve Cover Gasket

29.

What direction is the piston traveling during the Power-Stroke?

a)

Up

b)

Down

c)

Left

d)

Right

30.

What are the two types of cooling systems:

a)

Air and Vent

b)

Vent and Electric

c)

Liquid and Electric

d)

Liquid and Air

31.

True or False: An engines cooling system is designed to transfer excess heat from the engine to the atmosphere.

a)

True

b)

False

32.

Technician A says that the engine should be cleaned before checking for oil leaks. Technician B says that a florescent dye should be added to the engine oil when checking leaks with a black light. Who is correct?

a)

Tech A

b)

Tech B

c)

Both A and B

d)

Neither A nor B

33.

What type of engine block is shown in the picture?

a)

Inline 6 cylinder

b)

V 8

c)

W 6

d)

V 6

34.

What type of engine is shown in the picture?

a)

Inline 4 cylinder engine

b)

Flat/Boxer 4 cylinder engine

c)

V 8

d)

W 4 Cylinder engine

35.

All of the following are part of the 4 cycles/strokes of an engine EXCEPT:

a)

Intake

b)

Compression

c)

Reciprocating

d)

Exhaust

36.

During the Power cycle:

a)

Intake valve opens and the Piston moves down

b)

Piston moves up and squeezes the air and fuel

c)

Spark plug ignites the air & fuel and causes the Piston to move down

d)

Exhaust valve opens and Piston moves up

37.

Cylinder leakage is measured when the piston is at __________.

a)

TDC

b)

BDC

c)

In the middle of the cylinder

d)

3/4 to the top of the cylinder

38.

A coolant leak would emit _____________ smoke from the exhaust.

a)

blue

b)

white

c)

black

d)

green

39.

An engine has a fast cranking sound, what could possibly be the issue?

a)

bad starter motor

b)

high compression

c)

bad spark plug

d)

broken timing belt or timing chain

40.

The amount of vacuum in an engine depends on:

a)

Piston rings

b)

valves

c)

ignition timing

d)

all of the above

41.

During a cylinder leakage test, air can be heard escaping from the tailpipe. What could cause this?

a)

This is normal for most engines

b)

Intake valve is bent

c)

Exhaust valve seat failure

d)

intake valve seat failure

42.

What kind of issue could be found in a WET compression test?

a)

Worn piston ring

b)

hole in the piston

c)

worn valve

d)

worn camshaft

43.

The Unit of measure for a compression tester or cylinder leakage tester is:

a)

psi

b)

kPa

c)

both psi and kPa

d)

none of the above

44.

A turbocharger is....

a)

a set of gears that makes the wheels turn faster

b)

a turbine that compresses the air traveling into the engine

c)

an injector that delivers fuel to the engine faster

45.

What are the three common ways to arrange an engine's cylinder?

a)

V-6, V-8, HEMI

b)

inline, V, flat

c)

inline, flat, rotary

46.

What tool are use when tighten cylinder head bolt?

a)

Torque Converter

b)

Torque Wrench

c)

L-handle

d)

Adjustable Wrench

47.

Induction stroke, Compression Stroke, Power Stroke through a spark & Exhaust Stroke, these steps are called:

a)

Otto´s Cycle

b)

Diesel´s Cycle

c)

Two Stroke Cycle

d)

Wankel´s Cycle

48.

The _____ is a heavy hub mounted on a rubber ring and keyed to the crankshaft snout.

a)

dynamic tuner

b)

oscillation dampner

c)

harmonic balancer/crankshaft damper

d)

vibration snubber

49.

Technician A says timing marks are not necessary when a timing belt is used. Technician B says that timing marks are unnecessary only with timing gears. Who is right?

a)

A only

b)

B only

c)

Both A & B

d)

Neither A & B

50.
A_________is used to prevent timing belt slack.
a)
dampner
b)
idler
c)
tensioner
d)
ram
51.

A chain guide may be needed to prevent chain slap.

a)

True

b)

False

52.

The cogged teeth on a timing belt prevent slippage.

a)

True

b)

False

53.

A timing belt may also be used to drive the ________ .

a)

diesel injection pump

b)

water pump

c)

oil pump

d)

All of the above.

54.
What part of the engine is this?
a)
Connecting Rod
b)
Piston
c)
Crankshaft
d)
Camshaft
55.
Which of the following is NOT an engine configuration?
a)
HORIZONTAL
b)
INLINE
c)
V-
d)
VERTICAL

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