National Fertilizers Chief Mechanical Maintenance Manager Interview Questions and Answers

Analyzed thermal performance of parabolic solar collector for M.Tech project

• Researched various materials for collector construction

• Conducted experiments to measure heat transfer efficiency

• Analyzed data to optimize collector design

• Compared results with theoretical models

• Presented findings in a detailed report

Energy management of a plant involves optimizing energy usage to reduce costs and environmental impact.

• Implementing energy-efficient technologies and practices

• Monitoring energy consumption and identifying areas for improvement

• Utilizing renewable energy sources where possible

• Regular maintenance of equipment to ensure optimal performance

• Training staff on energy conservation practices

Valve types include gate, globe, ball, butterfly, and check valves. Pump types include centrifugal, positive displacement, and axial flow pumps.

• Valve types: gate, globe, ball, butterfly, check

• Pump types: centrifugal, positive displacement, axial flow

• Gate valves control flow by raising or lowering a gate

• Globe valves control flow by raising or lowering a plug

• Ball valves control flow with a rotating ball

• Butterfly valves c...read more

Types of gears include spur, helical, bevel, worm, and rack and pinion. Types of bearings include ball, roller, and sleeve bearings.

• Spur gears have straight teeth and are used for low-speed applications.

• Helical gears have angled teeth and are used for high-speed applications.

• Bevel gears have angled teeth and are used for changing the direction of power transmission.

• Worm gears have a screw-like thread and are used for h...read more