JK Paper Mechanical Engineer Interview Questions and Answers for Experienced

Q1. What is engine?
Ans. 
An engine is a machine that converts fuel into mechanical energy to produce power.
• An engine typically consists of cylinders, pistons, valves, and a crankshaft.

• Engines can be classified into different types such as internal combustion engines, steam engines, and electric motors.

• Examples of engines include gasoline engines in cars, diesel engines in trucks, and jet engines in airplanes.
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Q2. What is clutch?
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A clutch is a mechanical device used to connect and disconnect the power transmission between two rotating shafts.
• Clutches are commonly used in vehicles to engage and disengage the engine from the transmission to change gears.

• There are different types of clutches such as friction clutches, hydraulic clutches, and electromagnetic clutches.

• Clutches can be operated manually by the driver or automatically by the vehicle's ...read more
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Q3. Difference between 2 stroke and 4 stroke engine?
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2 stroke engines have power strokes every revolution, while 4 stroke engines have power strokes every other revolution.
• 2 stroke engines have a simpler design with fewer moving parts compared to 4 stroke engines.

• 2 stroke engines require a fuel-oil mixture for lubrication, while 4 stroke engines have a separate oil reservoir.

• 2 stroke engines produce more pollution due to incomplete combustion, while 4 stroke engines are ...read more
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Q4. Difference between petrol and diesel engine
Ans. 
Petrol engines use spark ignition, while diesel engines use compression ignition.
• Petrol engines use a spark plug to ignite the fuel-air mixture, while diesel engines rely on compression to ignite the fuel.

• Petrol engines are lighter and more responsive, while diesel engines are more fuel efficient and have higher torque.

• Petrol engines are typically used in cars and motorcycles, while diesel engines are commonly found in
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Q1. Technical interview with panel
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Q2. About industrial communication
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Q3. Protection of transformer
Ans. 
Protection of transformer involves measures to prevent damage from overloads, short circuits, and other electrical faults.
• Use of protective relays to detect abnormal conditions and isolate the transformer

• Installation of fuses and circuit breakers to interrupt excessive currents

• Regular maintenance and testing to ensure proper functioning of protective devices

• Implementation of temperature monitoring and cooling systems t...read more
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Q4. Industrial communication,
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Q1. Based on your resume. They will ask questions
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Q1. Salary should be under the cycle
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Q1. Technical related to mechanical,steam and material
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Q1. General questions
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Q2. Introduce yourself
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Q3. Technical questions
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Q1. Transformers AC/DC drive
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Q1. Background after working
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Q1. SWOT analysis about self and paper industries related questions
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Q1. Kaun si post Khali hai
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Q2. Junior engineer
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Q1. Bus suvidha hai
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Q2. Permanent job hoti hai
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