Engine Lubrication CDX

Question 1

Technician A says that how long an engine lasts is directly related to how well it is lubricated. Technician B says that the lubrication system helps cool the engine components. Who is correct?

Answer 1

Both Technician A and Technician B

Question 2

Oil that has the properties of two separate viscosity oils is known as:

Answer 2

multiviscosity oil.

Question 3

Lubricating oil that is used in engines is made by refining:

Answer 3

crude oil.

Question 4

Technician A says that Automotive Service Excellence (ASE) sets the performance standards for motor oil. Technician B says that the American Petroleum Institute (API) sets performance standards for motor oil. Who is correct?

Answer 4

Technician B

Question 5

Technician A says that when filling an engine with oil, you fill it until oil is coming out of the filler hole. Technician B says that it is a best practice to check the oil before and after running the vehicle. Who is correct?

Answer 5

Technician B

Question 6

When installing a new oil filter, it is a good idea to:

Answer 6

wipe a small amount of oil on the new filter gasket.

Question 7

Technician A says that if the oil pressure shows low on the vehicle’s gauge, engine oil pressure should be verified using a manual test gauge. Technician B says that if a vehicle’s oil pressure gauge reads too high, engine oil pressure should be verified using a manual test gauge. Who is correct?

Answer 7

Both Technician A and Technician B

Question 8

Technician A says that oil changes are unnecessary as long as the oil is at the correct level. Technician B says that some engines may have more than one oil drain plug. Who is correct?

Answer 8

Technician B

Question 9

The reason oil levels may be low can be all of the following, EXCEPT:

Answer 9

oil burning because of a clogged air filter.

Question 10

Technician A says that to ensure that the oil filter does not leak, you may use two gaskets. Technician B says that using two gaskets could cause an oil leak when the oil is pressurized. Who is correct?

Answer 10

Technician B

Question 11

A device that is external to the engine and helps remove heat from the oil is called a(n):

Answer 11

oil cooler.

Question 12

Technician A says that oil pressure is vital to engine operation. Technician B says that a pressure sensor can turn on a light to alert the driver of low oil pressure. Who is correct?

Answer 12

Both Technician A and Technician B

Question 13

There are two types of oil sump systems. These are:

Answer 13

dry sump and wet sump systems.

Question 14

Diesel engines operate at:

Answer 14

higher temperatures than gasoline engines.

Question 15

All of the following can be said about engine oil, EXCEPT:

Answer 15

it causes the metal components to expand

Question 16

A scavenge pump is used on a:

Answer 16

dry sump oil system.

Question 17

Because diesel engines create more BTUs of energy than gasoline engines:

Answer 17

their engine oils are classified differently.