Fluids: Motor Oil

Question 1

Motor oil also:

Answer 1

Cleans, stops corrosion and cools the engine

Question 2

Most important property of motor oil:

Answer 2

Viscosity

Question 3

The viscosity must be high enough to:

Answer 3

Maintain a lubricating film

Question 4

The viscosity must be low enough so that it can:

Answer 4

Flow around the engine and keep the parts well coated under all conditions

Question 5

SAE stands for:

Answer 5

Society of automative engineers

Question 6

Code system for motor oul based on the:

Answer 6

Viscosity

Question 7

The higher the SAE grade number, the higher the

Answer 7

Viscosity

Question 8

Some oils are dark _____ or dark _____.

Answer 8

Red or blue

Question 9

Motor oil’s main function:

Answer 9

To lubricate moving parts