Deck 9: Lubrication

Question 1

Lubrication comes in four forms: ____________________, gas, liquid, and solid.

Answer 1

semisolid

Question 2

Which method of lubrication uses capillary action to lubricate the components?

A) wick
C) splash
B) drip
D) slinger

Answer 2

A

Question 3

____ lubrication is the condition in which the friction between two surfaces that are in motion is determined by the properties of the surfaces and the properties of the lubrication that is being used, excluding viscosity.

A) Barrier
C) Film
B) Boundary
D) Residual

Answer 3

B

Question 4

The major difference between a petroleum-based grease and a petroleum-based oil is the ____.

A) color
C) dependability
B) viscosity
D) odor

Question 5

What type of lubrication method utilizes a slinger to lubricate components?

A) submersion
C) slinger
B) drip
D) splash

Question 6

The internal friction of a lubricant caused by molecular attraction is called ____.

A) lubrication
C) hydrocarbon
B) viscosity
D) semisolid

Question 7

What are used to remove water from within the lubrication?

A) purifiers
C) demulsifiers
B) dryers
D) absorbers

Question 8

____ occurs when weaker chemical bonds are formed between liquid or gas molecules and a solid surface.

A) Chemisorption
C) Bonding
B) Absorption
D) Sealing

Question 9

A rigorous ____________________ schedule is recommended for each machine in a facility.

Question 10

A(n) ____________________ is a substance that reduces friction by providing a smooth surface of film over parts that move against each other.

Question 11

What gel-like substance has the characteristics of both a solid and a liquid?

A) lubrication
C) hydrocarbon
B) viscosity
D) semisolid

Question 12

____ lubrication is accomplished when a lubricant creates a film that is thick enough to completely separate the two surfaces of metal.

A) Barrier
C) Film
B) Boundary
D) Residual

Question 13

A fluid with a(n) ____________________ viscosity will have a lower flow rate.

Question 14

Additives are used to improve the ____________________ of lubricants

Question 15

To lubricate by means of sinking the part to be lubricated into the lubrication is referred to as the ____ method of lubrication.

A) wick
C) submersion
B) drip
D) drowning