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Properties of Lubricants

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

An ideal lubricant should have high boiling point

a)

True

b)

False

2.

An ideal lubricant should have high freezing point

a)

True

b)

False

3.

The lubricants used at higher speed are of

a)

Higher Viscosity

b)

Lower Viscosity

4.

An ideal lubricant should have

a)

High viscosity index

b)

Low viscosity index

5.

The ability of lubricants to resist breakdown at high temperatures is known as

a)

Viscosity index

b)

Pour point

c)

Thermal stability

d)

Flash point

6.

The temperature at which the oil sparks, but a flame is not sustained is called as

a)

Fire point

b)

Flash point

c)

Pour point

7.

The temperature at which the oil sparks and flame is sustained is called as

a)

Fire point

b)

Flash point

c)

Pour point

8.

The lowest temperature at which a lubricant will flow

a)

Flash point

b)

Pour point

c)

Fire point

9.

An ideal lubricant should have

a)

High carbon residue

b)

Low carbon residue

10.

Lubricants can be used as

a)

Cutting fluid

b)

Cooling Agent

c)

Rust and corrosion inhibitors

d)

All of the above