Lubrication Systems

The process of reducing friction between sliding surfaces by introducing a slippery or smooth substance between them

• hydration

• lubrication

• hydrolysis

• hydrodynamics

Lubricants come in what forms (check all that apply)

• dry

• semidry

• liquid

• friction

What is a bearing alloy that has good antifriction qualities

• Chrome

• Iron

• Babbit

• magnesium

When lubricated parts are in motion _____________molecules roll over one another like microscopic ball bearing

• oil

• steel

• copper

• tin

Oil film between mating parts is called

• hydrodynamic

• hypocopic

• synergyn

• moly

A good oil has the ability to ____________the effects of the corrosive by-products of combustion

• neutralize

• vaporize

• maintain

• harmonize

Many components in the lower part of the engine are directly dependent on the motor oil for?

• cooling

• warmth

• faster heating

• easy starting

Proper oil helps provide a good_________________between the piston rings and the cylinder wall

• seal

• window

• wax

• wash

Viscosity refers to the resistance of a liquid to flow. In general, would a low or high viscosity oil be used in cold-temperature operation

• High

• Low

• Doesn't matter

What does the W represent in a multiviscosity grade oil?

• weather / Winter

• weight

• Waver

• wear