Tata Cummins Senior Service Engineer Interview Questions and Answers

Customer service is the support and assistance provided to customers before, during, and after a purchase.

• Customer service involves addressing customer inquiries, resolving issues, and providing guidance.

• It includes ensuring customer satisfaction and building positive relationships.

• Examples include answering phone calls, responding to emails, and handling returns or exchanges.

The principle of an IC engine involves the conversion of chemical energy into mechanical energy through the process of combustion.

• IC engine operates on the principle of internal combustion, where fuel is burned inside the engine to produce power.

• The combustion process generates high pressure and temperature gases that expand and push the piston, converting chemical energy into mechanical energy.

• The mechanical energy pr...read more

A diesel engine functions by compressing air in the cylinder, injecting fuel, and igniting the fuel-air mixture to create combustion.

• Diesel engines compress air in the cylinder to high pressures, typically around 15:1 compression ratio.

• Fuel is injected into the cylinder at the end of the compression stroke.

• The fuel is ignited by the heat generated from the high compression, not by a spark plug like in gasoline engines.

• ...read more

Diesel is heavier and less volatile than petrol, leading to differences in combustion, efficiency, and emissions.

• Diesel is heavier and less volatile than petrol

• Diesel engines compress air to ignite fuel, while petrol engines use spark plugs

• Diesel engines are more fuel-efficient but produce more emissions

• Petrol engines are quieter and faster than diesel engines

Gears are mechanical devices that transmit motion and power between rotating shafts. Types include spur, helical, bevel, worm, rack and pinion.

• Spur gears have straight teeth and are the most common type

• Helical gears have angled teeth for smoother operation

• Bevel gears have cone-shaped teeth for changing direction of rotation

• Worm gears have a screw-like appearance and are used for high torque applications

• Rack and pinion ...read more

Handle customers with patience, empathy, and effective communication.

• Listen actively to understand their concerns

• Show empathy and understanding towards their situation

• Communicate clearly and professionally

• Offer solutions or alternatives to address their needs

• Follow up to ensure customer satisfaction

The role of my previous company was to provide technical support and maintenance services for various equipment and systems.

• Providing technical support to customers for troubleshooting issues

• Performing regular maintenance and inspections on equipment

• Installing and configuring new systems

• Training customers on how to use the equipment effectively