Maintenance and Lubrication

Question 1

The ability for oil to resist flow is called

Answer 1

Viscosity

Question 2

The “W” in 5W30 stands for:

Answer 2

Winter

Question 3

What does SAE stand for?

Answer 3

Society of Automotive Engineers

Question 4

Why do vehicles use multi weight oil? ie 10w30

Answer 4

To give a broader range of effectiveness through temperature.

Question 5

What does API stand for?

Answer 5

American Petroleum Institute

Question 6

Can synthetic oils be mixed with conventional/mineral based motor oils?

Answer 6

Yes

Question 7

Engine coolant/antifreeze is most commonly made from

Answer 7

Ethylene Glycol

Question 8

Common mix of coolant to water is:

Answer 8

50/50

Question 9

If straight antifreeze is used, what can happen to it in extreme cold temperatures.

Answer 9

It can “gel” up

Question 10

If not replaced coolant becomes corrosive and can start creating electricity. This is called?

Answer 10

Electrolysis

Question 11

“S” in an API rating stands for

Answer 11

Service

Question 12

Colder temperatures require a higher or lower viscosity oil?

Answer 12

Lower

Question 13

Pour Point Depressants are used to….

Answer 13

Allow oil to flow at low temperatures

Question 14

Breakdown of Viscosity improving additives can produce what?

Answer 14

Sludge