Cummins Sales and Service Service Engineer Interview Questions and Answers

Q1. Basic electrical and mechanical subject related questions
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Q2. Electricity EMF resistance semiconductor voltage current etc.
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Q3. Torque, force assembly design, diagrams
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Breakdown handle in 48 hours

Q1. Basic information about work
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Q1. Warranty handle for Diesel equipments
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Handling warranty for Diesel equipments involves understanding the terms and conditions, verifying eligibility, coordinating repairs, and ensuring customer satisfaction.
• Understand the terms and conditions of the warranty for Diesel equipments

• Verify the eligibility of the equipment for warranty coverage

• Coordinate repairs or replacements as needed under warranty

• Ensure customer satisfaction by providing timely and efficie...read more
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Q1. Brief about current, voltage and capacity of battery
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Current is the flow of electric charge, voltage is the potential difference between two points, and capacity is the amount of charge a battery can store.
• Current is measured in Amperes (A) and represents the flow of electric charge through a circuit.

• Voltage is measured in Volts (V) and represents the potential difference between two points in a circuit.

• Capacity of a battery is measured in Ampere-hours (Ah) or milliamper...read more
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About last company work culture and job profile

Q1. About your self
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Q2. Assembly process
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Q1. Previous experience and about tyre basics
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Q1. Family background and location
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Q1. Principal of IC engine?
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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
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Q2. How to function Diesel engine?
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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
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Q3. Different between Diesel and petrol?
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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
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Q4. What gear? Types of gear?
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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
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Q5. How to handle customer?
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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
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Q6. What is role of previous company? etc
Ans. 
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
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