Question 1

To drain a cooling system that does not have a petcock or drain plug in the radiator, ______.

Accepted Answer

A)   remove the coolant temperature sensor
B)   remove the heater return hose
C)   disconnect the water pump inlet hose
D)   disconnect the lower radiator hoseE) None of the above
F) A) and B)

Question 2

Engine oil pumps have ____________________ displacement.

Accepted Answer

The answer of Engine oil pumps have ____________________ displacement....

Question 3

Hoses are sized based on their ______.

Accepted Answer

A)   inner diameter
B)   outer diameter
C)   both "inner diameter" and "outer diameter"
D)   neither "inner diameter" nor "outer diameter"E) A) and B)
F) C) and D)

Question 4

A pressure relief (regulator) valve, located inside the oil filter, is designed to limit engine oil pressure.

Accepted Answer

A) True 
 B)False

Question 5

To save power and reduce noise levels, most late model vehicles have an electrically driven cooling fan.

Accepted Answer

A) True 
 B)False

Question 6

When is a fan shroud required?

Accepted Answer

When the fan is plac...

Question 7

ECD [electrochemical degradation] usually occurs within two inches of the hose end-not in the middle.

Accepted Answer

A) True 
 B)False

Question 8

Technician A says a cooling system pressure tester is used to test for leaks in the radiator, hoses, water pump, thermostat, and engine assembly. Technician B say the cooling system pressure tester is used to check the operation of the relief valve in the radiator cap. Who is correct?

Accepted Answer

A)   A only
B)   B only
C)   both A and B
D)   neither A nor BE) C) and D)
F) None of the above

Question 9

When installing an oil pump in an engine: Technician A packs the pump with petroleum jelly. Technician B submerges the pump in clean oil and rotates the pump shaft to fill the pump body. Who is correct?

Accepted Answer

A)   A only
B)   B only
C)   both A and B
D)   neither A nor BE) A) and B)
F) All of the above

Question 10

When crankcase pressure is abnormally low, oil is forced out through joints that normally would not leak.

Accepted Answer

A) True 
 B)False

Question 11

Oil coolers are normally found on _____ vehicles.

Accepted Answer

A)   diesel
B)   high performance
C)   turbocharged
D)   all answers are correctE) B) and C)
F) A) and B)

Question 12

Which of the following cooling system hoses is normally subjected to the roughest service life?

Accepted Answer

A)   upper radiator
B)   lower radiator
C)   heater inlet
D)   bypassE) A) and D)
F) C) and D)

Question 13

The oil pressure ____________________ valve prevents excessively high system pressure from occurring as engine speed is increased.

Accepted Answer

The answer of The oil pressure ____________________ valve prevents excessively...

Question 14

The typical recommended mixture of water and antifreeze is ______.

Accepted Answer

A)   30/70
B)   50/50
C)   40/60
D)   60/40E) All of the above
F) A) and B)

Question 15

Most cooling systems use an expansion or ____________________ tank.

Accepted Answer

The answer of Most cooling systems use an expansion or...

Question 16

The petcock valve is located _____.

Accepted Answer

A)   at the bottom of the radiator
B)   at the base of thermostat housing
C)   at the bottom of the heater core
D)   all answers are correctE) None of the above
F) All of the above

Question 17

What is the purpose of a radiator petcock?

Accepted Answer

It allows ...

Question 18

One purpose of the oil pan is cooling the oil through its contact with the outside air.

Accepted Answer

A) True 
 B)False

Question 19

Describe how to check a fan clutch.

Accepted Answer

There should be no evidence of fluid lea...

Question 20

Most manufacturers recommend that cooling systems should be drained, flushed, and filled every ______.

Accepted Answer

A)   six months
B)   year
C)   two to four years
D)   five yearsE) B) and D)
F) B) and C)

Exam 14: Lubricating and Cooling Systems

The typical recommended mixture of water and antifreeze is ______.

Correct AnswerverifiedShow Answer

Engine oil pumps have ____________________ displacement.

Correct AnswerverifiedShow Answer

Hoses are sized based on their ______.

Correct AnswerverifiedShow Answer

Most manufacturers recommend that cooling systems should be drained, flushed, and filled every ______.

Correct AnswerverifiedShow Answer

When crankcase pressure is abnormally low, oil is forced out through joints that normally would not leak.

Correct AnswerverifiedShow Answer

One purpose of the oil pan is cooling the oil through its contact with the outside air.

Correct AnswerverifiedShow Answer

Describe how to check a fan clutch.

Correct AnswerverifiedThere should be no evidence of fluid lea...View AnswerShow Answer

Which of the following cooling system hoses is normally subjected to the roughest service life?

Correct AnswerverifiedShow Answer

When is a fan shroud required?

Correct AnswerverifiedWhen the fan is plac...View AnswerShow Answer

Oil coolers are normally found on _____ vehicles.

Correct AnswerverifiedShow Answer

A pressure relief (regulator) valve, located inside the oil filter, is designed to limit engine oil pressure.

Correct AnswerverifiedShow Answer

When installing an oil pump in an engine: Technician A packs the pump with petroleum jelly. Technician B submerges the pump in clean oil and rotates the pump shaft to fill the pump body. Who is correct?

Correct AnswerverifiedShow Answer

To drain a cooling system that does not have a petcock or drain plug in the radiator, ______.

Correct AnswerverifiedShow Answer

Technician A says a cooling system pressure tester is used to test for leaks in the radiator, hoses, water pump, thermostat, and engine assembly. Technician B say the cooling system pressure tester is used to check the operation of the relief valve in the radiator cap. Who is correct?

Correct AnswerverifiedShow Answer

ECD [electrochemical degradation] usually occurs within two inches of the hose end-not in the middle.

Correct AnswerverifiedShow Answer

What is the purpose of a radiator petcock?

Correct AnswerverifiedIt allows ...View AnswerShow Answer

The petcock valve is located _____.

Correct AnswerverifiedShow Answer

Most cooling systems use an expansion or ____________________ tank.

Correct AnswerverifiedShow Answer

To save power and reduce noise levels, most late model vehicles have an electrically driven cooling fan.

Correct AnswerverifiedShow Answer

The oil pressure ____________________ valve prevents excessively high system pressure from occurring as engine speed is increased.

Correct AnswerverifiedShow Answer

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There should be no evidence of fluid lea...
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When the fan is plac...
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It allows ...
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