Lubricants

80-90% Of Liquid Lubricants are composed of which raw material?

A substance used to prevent metal-to-metal contact between moving surfaces.

Petroleum is also called?

The oldest and most common way of separating the by-products of petroleum.

Conventionally refined base stock with 300-3000 ppm sulfur content.

• Group 1

• Group 2

• Group 3

• Group 4 & 5

Chemical compounds that improve the lubricant performance of

base oil to impart desirable new characteristics.

A measure of a fluid’s resistance to flow.

The viscosity of liquids increases rapidly with an increase in

temperature while the viscosity of gases decreases with an increase in

temperature.

• True

• False

Viscosity of Oil Lubricant will change as the amount or volume changes.

• True

• False

Increasing SPEED requires Higher Viscosity oils.

• True

• False