Unit 1: lubrication

Question 1

Viscosity Index

Answer 1

Measures how much a liquids viscosity will change with a change in temperature. A high Viscosity Index indicates that the liquids viscosity will change little with temperature.

Question 2

Pour Point

Answer 2

Is the lowest temperature at which oil will flow

Question 3

Flash Point

Answer 3

the temperature at which an oil or fuel will vaporize enough for ignition to be possible when exposed to a flame or ignition source

Question 4

Fire Point

Answer 4

The temperature at which an oil or fuel can gives off enough vapor to sustain combustion continuously.

Question 5

Floc Point

Answer 5

Is the temperature at which wax or other suspended particles in oil will separate out from the oil.