GMR Energy Manager Mechanical Maintenance Interview Questions and Answers

Heard coupling is a rigid coupling while fluid coupling is a flexible coupling.

• Heard coupling is used for high torque applications while fluid coupling is used for smooth acceleration.

• Heard coupling has no slippage while fluid coupling has some slippage.

• Heard coupling requires precise alignment while fluid coupling can tolerate some misalignment.

• Examples of heard coupling include gear couplings and grid couplings while...read more

Preventive maintenance is a proactive approach to maintenance that involves regular inspections, repairs, and replacements to prevent equipment failure.

• Preventive maintenance involves scheduled inspections, cleaning, lubrication, and replacement of parts before they fail.

• It helps to reduce downtime, increase equipment lifespan, and improve safety.

• Examples of preventive maintenance include changing oil in a car, replaci...read more

The number of drives with stacker and reclamier depends on the specific equipment and its configuration.

• The number of drives can vary depending on the size and capacity of the stacker and reclamier.

• Some stacker and reclamier systems may have multiple drives for redundancy and increased efficiency.

• The number of drives may also depend on the type of material being handled and the environmental conditions.

• It is important ...read more

Stacker and Reclaimer maintenance is crucial for ensuring uninterrupted material handling operations.

• Regular maintenance of Stacker and Reclaimer equipment ensures smooth functioning and prevents breakdowns.

• Proper lubrication, cleaning, and inspection of parts are essential for maintaining the equipment.

• Regular monitoring of wear and tear of parts and replacement of damaged parts is necessary to avoid accidents and ens...read more

Machine vibration and heating can be caused by various factors such as misalignment, unbalanced parts, worn bearings, or inadequate lubrication.

• Misalignment of machine parts can cause vibration and heating

• Unbalanced parts can also cause vibration and heating

• Worn bearings can cause vibration and heating

• Inadequate lubrication can cause friction and heating

• Excessive load on the machine can cause vibration and heating