Mahindra & Mahindra Diploma Engineer Trainee - DET Interview Questions and Answers

Reasoning maths, technical speclization in automobile ,auto engine

Q1. Auto engine and. My project related
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Q2. Auto engine and from my project
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My name is rajat sahu
My tata motors interview host in government polytechnic lucknow

My interview host in government polytechnic lucknow

My tata motors interview host in government polytechnic lucknow

Q1. What is four stock engine
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Q2. What is si engine
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Q3. What is ci engine
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Q1. Person Work paste
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Q1. Equipment and metal handling
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Q1. How many types of manifold?
Ans. 
There are two types of manifolds: intake manifold and exhaust manifold.
• Intake manifold: It supplies the air-fuel mixture to the cylinders.

• Exhaust manifold: It collects and expels the exhaust gases from the cylinders.

• Examples: Cast iron and stainless steel manifolds.
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Q2. How many types of gasket are used in automobile?
Ans. 
There are several types of gaskets used in automobiles for various purposes.
• Cylinder head gasket

• Exhaust manifold gasket

• Intake manifold gasket

• Valve cover gasket

• Oil pan gasket

• Water pump gasket

• Transmission gasket

• Differential gasket

• Timing cover gasket

• Turbocharger gasket
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Q3. What kind of material is used in making cylinder gasket heads ?
Ans. 
Cylinder gasket heads are typically made of materials like graphite, asbestos, or metal.
• Graphite is a common material used in cylinder gasket heads due to its excellent sealing properties.

• Asbestos was previously used in gaskets but has been phased out due to health concerns.

• Metal gaskets, such as those made of steel or aluminum, are also used in certain applications.

• Other materials like rubber or composite materials ma...read more
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Q4. How many kind of material is used in making oil pan gaskets?
Ans. 
Oil pan gaskets are typically made from materials such as rubber, cork, silicone, or a combination of these.
• Rubber is a common material used in oil pan gaskets due to its flexibility and resistance to oil and heat.

• Cork is another material used in gaskets as it provides a good seal and is resistant to oil and chemicals.

• Silicone gaskets are known for their durability and ability to withstand high temperatures.

• Some gasket...read more
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Q5. How many types of manifold gaskets ?
Ans. 
There are several types of manifold gaskets used in automobile engines.
• Exhaust manifold gaskets

• Intake manifold gaskets

• Throttle body gaskets

• EGR (Exhaust Gas Recirculation) gaskets

• Turbocharger gaskets

• Supercharger gaskets
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Q6. The fly wheel is used as a part of mechanism?
Ans. 
Yes, the flywheel is used as a part of a mechanism.
• The flywheel is a mechanical device used to store rotational energy.

• It is typically used in engines to maintain a steady rotational speed and provide smooth power delivery.

• In automobiles, the flywheel is connected to the crankshaft and helps in starting the engine, storing energy during deceleration, and providing rotational inertia.

• It also helps in reducing engine vib...read more
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Q7. How many types of air cleaner
Ans. 
There are two types of air cleaners: mechanical air cleaners and electronic air cleaners.
• Mechanical air cleaners use filters to trap dust and other particles from the air.

• Electronic air cleaners use an electric charge to attract and trap particles.

• Examples of mechanical air cleaners include panel filters, pleated filters, and HEPA filters.

• Examples of electronic air cleaners include electrostatic precipitators and ioniz
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Q8. Pump gaskets are made of kinds of material?
Ans. 
Pump gaskets are made of various materials.
• Pump gaskets can be made of rubber, cork, paper, or metal.

• Rubber gaskets are commonly used due to their flexibility and resistance to fluids.

• Cork gaskets are known for their compressibility and ability to seal irregular surfaces.

• Paper gaskets are used in low-pressure applications.

• Metal gaskets, such as those made of steel or copper, are used in high-temperature and high-pressu
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Q9. One some each manifold is connected to a separate exhaust pipe,muffler and tail pipe ?
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Q10. Wankel engine originated by a engineer?
Ans. 
Felix Wankel, a German engineer, originated the Wankel engine.
• The Wankel engine was invented by Felix Wankel in the 1950s.

• Felix Wankel was a German mechanical engineer.

• The Wankel engine is a type of internal combustion engine that uses a rotary design.

• It is known for its compact size, high power-to-weight ratio, and smooth operation.

• Mazda is one of the most well-known manufacturers to have used the Wankel engine in the
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Q11. Wankel engine is originated in ?
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The Wankel engine was originated in Germany.
• The Wankel engine was invented by Felix Wankel in the 1950s.

• It was first developed and produced by the German company NSU Motorenwerke AG.

• The engine design features a rotary combustion chamber instead of the traditional reciprocating pistons.

• It offers advantages such as compact size, high power-to-weight ratio, and smooth operation.

• Mazda is one of the most well-known manufact...read more
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Q12. How many types of engine with respect to the number of cylinder ?
Ans. 
There are various types of engines based on the number of cylinders.
• Engines can have 1, 2, 3, 4, 5, 6, 8, 10, 12, or even more cylinders.

• The number of cylinders affects the engine's performance, power, and fuel efficiency.

• Examples include inline engines (4-cylinder), V engines (6-cylinder), and W engines (12-cylinder).
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Q13. How many kinds of two stroke engine
Ans. 
There are two kinds of two-stroke engines: spark ignition and compression ignition.
• Spark ignition two-stroke engines: These engines use a spark plug to ignite the fuel-air mixture, commonly found in motorcycles, chainsaws, and outboard motors.

• Compression ignition two-stroke engines: These engines rely on the heat generated by compression to ignite the fuel-air mixture, commonly found in large marine engines and some in
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Q14. 4 stoke engine is classi
Ans. 
4 stroke engine is classified as an internal combustion engine.
• It has four strokes: intake, compression, combustion, and exhaust.

• It is commonly used in automobiles, motorcycles, and small aircraft.

• It is more fuel-efficient and produces less pollution than a 2-stroke engine.
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Q1. Any questions from vehicle flashing
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Q2. Wheel alignment related
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Question about mathematics & training section

Q1. 7qc tool 5s PFMA Red bin analysis
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