Which liquid lubricant is the most commonly used class?

Which liquid lubricant is the most commonly used class?

a. Mineral oils
b. Fixed oils
c. Synthetic oils
d. High viscosity oil
e. Low viscosity oil





Answer: A

Aluminum Base Greases may be used for temperatures up to __°C.

Aluminum Base Greases may be used for temperatures up to __°C.

a. 82
b. 98
c. 65
d. 74
e. 57






Answer: A

Barium and Lithium Base Greases are suitable for extreme low temperatures __°C.

Barium and Lithium Base Greases are suitable for extreme low temperatures __°C.

a. -80
b. -40
c. -60
d. -50
e. -10






Answer: D

Sodium (Soda) Base Greases are suitable for temperatures as high as ___°C.

Sodium (Soda) Base Greases are suitable for temperatures as high as ___°C.

a. 150
b. 120
c. 180
d. 100
e. 160





Answer: B

Calcium (Lime) Base Greases are not suitable for use where temperatures exceed __C.

Calcium (Lime) Base Greases are not suitable for use where temperatures exceed __C.

a. 55
b. 91
c. 42
d. 84
e. 71






Answer: E

The semi-solid lubricants or greases are produced by combining a ___ lubricant, usually petroleum oil, with a __ agent.

The semi-solid lubricants or greases are produced by combining a ___ lubricant, usually petroleum oil, with a __ agent.

a. solid, thinning
b. liquid, thickening
c. liquid, thinning
d. solid, thickening






Answer: B