Deck 22: Engine Oil

Question 1

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

A)Without
B)Winter
C)Weight
D)With

Answer 1

Winter

Question 2

Oil change intervals as specified by the vehicle manufacturer ________.

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 intervals

Answer 2

Are maximum time and milage intervals

Question 3

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

A)Group IV or V
B)Group III
C)Group I
D)Group II

Answer 3

Group II

Question 4

Which rating is the ACEA rating specified for use by many European vehicle manufacturers?

A)SM
B)GF-4
C)A3/B3
D)SAE

Question 5

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?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 6

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?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 7

Two technicians are discussing oil filters. Technician A says that the oil will remain perfectly clean if just the oil filter is changed regularly. Technician B says that oil filters can filter particles smaller than the human eye can see. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 8

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

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 C

Question 9

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 ________.

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

Question 10

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

A)Polyalpholefin (POA)
B)Viscosity
C)ZDDP (zinc)
D)Diesters

Question 11

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

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

Question 12

Oil viscosity refers to which of these?

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 oil

Question 13

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

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

Question 14

Which statement below best defines the term miscible?

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 temperatures

Question 15

The engine oil life monitor may be based on ________.

A)Vehicle mileage
B)A PCM programmed algorithm
C)Either A and B
D)Neither A nor B

Question 16

Many oils are identified by two numbers (i.e. 10W-30). These types of oil are referred to as ________ oils.

A)Semi-grade
B)Binumeral
C)Multi-grade
D)2-number

Question 17

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

A)SG
B)SM
C)SA
D)None of these

Question 18

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

A)Equal
B)Higher
C)Lower
D)None of these

Question 19

Technician A always inspects or replaces the drain plug gasket when performing an oil change. Technician B says that warm oil holds contaminants and flows faster than cold oil. Who is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 20

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

A)Dangerous
B)Harmful
C)Highly recommended
D)Not recommended

Question 21

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

Question 22

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

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

Question 23

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

A)Resistant
B)Warm
C)Clear
D)Fluid

Question 24

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