Tata Steel Mechanical Maintenance Supervisor Interview Questions and Answers

Answering questions related to bearings, gearbox oil types, and gear types.

• Bearings are used to reduce friction and support rotating parts.

• Types of oil used in gearbox include mineral oil, synthetic oil, and semi-synthetic oil.

• Converse gears are used to transmit power between two parallel shafts.

• Other types of gears include spur gears, helical gears, bevel gears, and worm gears.

Bearings are removed using various materials depending on the type of bearing and the method of removal.

• Common materials used for bearing removal include bearing pullers, hydraulic presses, and heat guns.

• For press-fit bearings, a bearing puller or hydraulic press may be used to remove the bearing from the shaft or housing.

• For interference-fit bearings, heat may be applied to the surrounding metal to expand it and loose...read more