Maintenance MCQ with Answers

11) Which one of the following frictions occurs in an un-lubricated journal bearing ?

Answer is:

Dry friction

Which one of the following frictions occurs in an un-lubricated journal bearing ?

12) In which one of the following materials no cutting oil is used when drilling ?

Answer is:

Grey cast iron

13) Preventive maintenance is

Answer is:

The overall lubrication and repair work carried out by the maintenance section in advance of the machine coming to breakdown

14) For effective cutting of steel with hand hacksaw, Which one of the following coolant is suitable ?

Answer is:

Cutting oil

15) Leveling bolts are used for

Answer is:

Adjusting the height of machine

Explanation:

Leveling bolts are used for adjusting the height of machine.
Leveling bolts are fastening parts mounted onto machines or devices that can be used to adjust the horizontal level or height. These are used for many different devices, such as vehicles, machine tools and food machinery.