PREVENTIVE MAINTENANCE - Quiz

1) Which coolant oil is emulsified with water?

Soluble oil Kerosene Mineral oil Lard oil

2) What is the colour of soluble oil mixed with water?

White Blue Yellow Violet

3) Which cutting fluid is used for threading in general purpose steel?

Soluble oil Lard oil Kerosene Dry

4) Which cutting fluid is used for heavy duty machine with less cutting speed?

Synthetic fluid Straight mineral oil Fatty oil Soluble oil

5) Which type of lock washer used with flat or oval type head screw?

External type Internal type Counter sunk type Internal and external type