Engine oil, air filters, serpentine belt

Question 1

List 4 important qualities of engine oil

Answer 1

Viscosity
Viscosity index
Flash point
Adhesion capacity

Question 2

What are the 3 main standards that indicate the quality of an oil?

Answer 2

API
ACEA
SAE

Question 3

What does SAE stand for? What quality of the oil does the SAE value tell you?

Answer 3

Society of automotive engineers
Viscosity

Question 4

If the container of engine oil says SAE 5W-30, what is the viscosity at low temperatures? What is the viscosity at high temperatures?

Answer 4

SAE 5W
SAE 30

Question 5

What does an ‘Otto engine’ refer to?

Answer 5

A petrol engine

Question 6

When are oil bath air filters used?

Answer 6

In vehicles that are used in sandy/dusty surroundings

Question 7

In normal air filters the filter element is made of paper. What about in oil bath air filters?

Answer 7

Steelwool, moistened with oil

Question 8

What does the serpentine belt replace? What job does it have?

Answer 8

The V-belt
Drive auxiliary units

Question 9

List 3 auxiliary units driven by the serpentine belt

Answer 9

Power steering pump
Alternator
Air-conditioning compressor

Question 10

What is the most popular alternative name for the serpentine belt?

Answer 10

Poly-V belt