Question 1

Oil viscosity refers to which of these?

Accepted Answer

A)  Tendency of oil to resist flowing
B)  Tendency of oil to increase flow
C)  Divided into body and fluidity
D)  Most important property of lubricating oilE) B) and C)
F) A) and D)

Question 2

Which of the following is NOT a characteristic of satisfactory engine oil?

Accepted Answer

A)  Resist foaming
B)  Pours at low temperatures
C)  Proper viscosity
D)  Provide dry friction between moving partsE) A) and C)
F) A) and B)

Question 3

Most high mileage oils cannot meet IlSAC GF-4 rating and are, therefore, ________ for use in most engines.

Accepted Answer

A)  Dangerous
B)  Harmful
C)  Highly recommended
D)  Not recommendedE) B) and C)
F) None of the above

Question 4

The "W" in SAE 5W-20 means ________.

Accepted Answer

A)  Without
B)  Winter
C)  Weight
D)  WithE) B) and C)
F) A) and B)

Question 5

The engine oil life monitor may be based on ________.

Accepted Answer

A)  Vehicle mileage
B)  A PCM programmed algorithm
C)  Either A and B
D)  Neither A nor BE) B) and C)
F) None of the above C

Question 6

Most conventional (mineral)  oil is made from what API group?

Accepted Answer

A)  Group IV or V
B)  Group III
C)  Group I
D)  Group IIE) None of the above
F) B) and C)

Question 7

Different brands of oil can be used in a vehicle from one oil change to another if they meet vehicle specifications, because all oil is ________.

Accepted Answer

A)  Of the same viscosity
B)  Miscible
C)  The same API group
D)  Both A and CE) A) and D)
F) C) and D)

Question 8

Which of these oils contains no detergents or additives and is NOT suitable for use in engines?

Accepted Answer

A)  SG
B)  SM
C)  SA
D)  None of theseE) B) and D)
F) A) and C)

Question 9

The oil filter can be thrown in the trash as soon as it is removed from the engine, since it is still warm.

Accepted Answer

A) True 
 B)False

Question 10

The purpose of the oil filter bypass valve is to ________.

Accepted Answer

A)  Allow oil to bypass the filter if the filter becomes clogged
B)  Keep the oil from draining out of the filter when the engine is shut off
C)  Allows oil to bypass the oil filter when the oil is hot, to help cool the oil
D)  Both B and CE) A) and B)
F) C) and D) A

Question 11

Older engines that use flat-bottom lifters should use oil (or an additive)  that has enough ________.

Accepted Answer

A)  Polyalpholefin (PO
A)  
B)  Viscosity
C)  ZDDP (zinc) 
D)  DiestersE) A) and B)
F) C) and D)

Question 12

A major advantage of using synthetic engine oil is its ability to remain ________ at very low temperatures.

Accepted Answer

A)  Resistant
B)  Warm
C)  Clear
D)  FluidE) B) and C)
F) A) and D)

Question 13

Which of these oils is recommended by General Motors for diesel engines, beginning in 2011?

Accepted Answer

A)  Dexos 2
B)  GM 6094M
C)  LL-01
D)  Dexos 1E) B) and D)
F) C) and D)

Question 14

Which of the following should be used when changing the oil in a car with a gasoline engine made in 2004 or later?

Accepted Answer

A)  GF-1 ILSAC
B)  CI-4 API
C)  CE API
D)  SM APIE) C) and D)
F) A) and C)

Question 15

Technician A says that some vehicle manufacturers recommend an ILSAC grade be used in the engine. Technician B says that an oil with the specified API rating and SAE viscosity rating should be used in an engine. Which technician is correct?

Accepted Answer

A)  Technician A only
B)  Technician B only
C)  Both technicians A and B
D)  Neither technician A nor BE) C) and D)
F) All of the above

Question 16

Using the incorrect multi-grade oil can cause the check engine light to come on.

Accepted Answer

A) True 
 B)False  True

Question 17

Oil with a high viscosity has a ________ resistance to flow than oil with a lower viscosity.

Accepted Answer

A)  Equal
B)  Higher
C)  Lower
D)  None of theseE) B) and C)
F) A) and C)

Question 18

Which statement below best defines the term miscible?

Accepted Answer

A)  The lowest temperature at which oil will flow
B)  The oil's resistance to flow
C)  Oil can mix with other oils without causing problems
D)  The change in viscosity from cold to hot temperaturesE) A) and D)
F) B) and D)

Question 19

Technician A says that the engine oil used should be meet the vehicle manufacturer's standards. Technician B says that the specified viscosity of oil should be used. Which technician is correct?

Accepted Answer

A)  Technician A only
B)  Technician B only
C)  Both technicians A and B
D)  Neither technician A nor BE) A) and B)
F) All of the above

Question 20

Oil change intervals as specified by the vehicle manufacturer ________.

Accepted Answer

A)  Generally only include time between oil changes
B)  Only include miles driven between oil changes
C)  Are minimum time and milage intervals
D)  Are maximum time and milage intervalsE) None of the above
F) C) and D)

Exam 22: Engine Oil

Oil viscosity refers to which of these?

Correct AnswerverifiedShow Answer

Which of the following is NOT a characteristic of satisfactory engine oil?

Correct AnswerverifiedShow Answer

Most high mileage oils cannot meet IlSAC GF-4 rating and are, therefore, ________ for use in most engines.

Correct AnswerverifiedShow Answer

The "W" in SAE 5W-20 means ________.

Correct AnswerverifiedShow Answer

The engine oil life monitor may be based on ________.

Correct AnswerverifiedC

Most conventional (mineral) oil is made from what API group?

Correct AnswerverifiedShow Answer

Different brands of oil can be used in a vehicle from one oil change to another if they meet vehicle specifications, because all oil is ________.

Correct AnswerverifiedShow Answer

Which of these oils contains no detergents or additives and is NOT suitable for use in engines?

Correct AnswerverifiedShow Answer

The oil filter can be thrown in the trash as soon as it is removed from the engine, since it is still warm.

Correct AnswerverifiedShow Answer

The purpose of the oil filter bypass valve is to ________.

Correct AnswerverifiedA

Older engines that use flat-bottom lifters should use oil (or an additive) that has enough ________.

Correct AnswerverifiedShow Answer

A major advantage of using synthetic engine oil is its ability to remain ________ at very low temperatures.

Correct AnswerverifiedShow Answer

Which of these oils is recommended by General Motors for diesel engines, beginning in 2011?

Correct AnswerverifiedShow Answer

Which of the following should be used when changing the oil in a car with a gasoline engine made in 2004 or later?

Correct AnswerverifiedShow Answer

Technician A says that some vehicle manufacturers recommend an ILSAC grade be used in the engine. Technician B says that an oil with the specified API rating and SAE viscosity rating should be used in an engine. Which technician is correct?

Correct AnswerverifiedShow Answer

Using the incorrect multi-grade oil can cause the check engine light to come on.

Correct AnswerverifiedTrue

Oil with a high viscosity has a ________ resistance to flow than oil with a lower viscosity.

Correct AnswerverifiedShow Answer

Which statement below best defines the term miscible?

Correct AnswerverifiedShow Answer

Technician A says that the engine oil used should be meet the vehicle manufacturer's standards. Technician B says that the specified viscosity of oil should be used. Which technician is correct?

Correct AnswerverifiedShow Answer

Oil change intervals as specified by the vehicle manufacturer ________.

Correct AnswerverifiedShow Answer

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A

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True

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