Bajaj Auto Diploma Automobile Engineer Interview Questions and Answers

Diploma automobile engineering

Q1. About automobile engineering
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Q2. I am very very serious
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Q3. I can answer it all
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Q1. Hello sir I'm saravanakumar I have three years experience in hyundai motors india and now working in bmw.
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Safety and quality, Team work & collaboration,Time management, manpower handling, quick learner.

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 ?
Ans. 
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. Automobile engine and maintenance
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Q2. 4stoke engine and 2 stoke engine
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Q3. Heat engine petrol and diesel
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Q4. Capacitor and semiconductor
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Q1. Explain the significance of governor in automobiles?
Ans. 
Governor regulates the speed of the engine and prevents it from exceeding the maximum limit.
• Governor is a device that controls the fuel supply to the engine.

• It maintains a constant speed of the engine by adjusting the fuel supply.

• It prevents the engine from exceeding the maximum limit of speed.

• Governor is used in automobiles, generators, and other machines that require a constant speed.

• Types of governors include centri
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Q2. What is the use of Natural gas in automobiles
Ans. 
Natural gas is used as an alternative fuel in automobiles to reduce emissions and increase fuel efficiency.
• Natural gas is a cleaner burning fuel compared to gasoline or diesel

• It produces lower emissions of harmful pollutants such as carbon monoxide, nitrogen oxides, and particulate matter

• It is cheaper than gasoline or diesel in many countries

• It can be used in both compressed natural gas (CNG) and liquefied natural gas ...read more
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Q3. What is an automotive differential and how does it work?
Ans. 
Automotive differential is a device that allows wheels to rotate at different speeds while maintaining power to both wheels.
• It is located between the drive wheels of a vehicle.

• It consists of a set of gears that allows the wheels to rotate at different speeds.

• It works by taking power from the engine and splitting it between the two wheels.

• It allows the outer wheel to rotate faster than the inner wheel during a turn.

• It i...read more
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Q4. What is oil grade SAE stands for?
Ans. 
SAE stands for Society of Automotive Engineers.
• SAE is a professional organization for engineers in the automotive industry.

• SAE sets standards for various aspects of automotive engineering, including oil grades.

• Oil grade SAE refers to the viscosity of the oil, which is a measure of its resistance to flow.

• Common oil grades include SAE 5W-30, SAE 10W-40, and SAE 15W-50.

• The first number in the oil grade refers to its visco...read more
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Q5. What is the use of Natural gas in automobiles?
Ans. 
Natural gas is used as an alternative fuel in automobiles to reduce emissions and save costs.
• Natural gas is a cleaner burning fuel compared to gasoline or diesel.

• It produces fewer emissions of harmful pollutants like carbon monoxide, nitrogen oxides, and particulate matter.

• It is cheaper than gasoline or diesel, making it a cost-effective alternative fuel.

• Natural gas can be used in compressed natural gas (CNG) vehicles ...read more
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Q1. Share details of your previous job.
Ans. 
I worked as an Automobile Engineer at XYZ Company for 3 years.
• Performed regular maintenance and repairs on various types of vehicles.

• Diagnosed and resolved mechanical and electrical issues.

• Conducted inspections to ensure vehicles met safety standards.

• Collaborated with team members to improve efficiency and productivity.

• Provided excellent customer service by addressing client concerns and explaining repairs.

• Stayed updat...read more
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Q2. Where do you see yourself in 5 years?
Ans. 
In 5 years, I see myself working as a senior automobile engineer in a reputable company, leading a team and contributing to innovative automotive technologies.
• Working as a senior automobile engineer

• Leading a team of engineers

• Contributing to innovative automotive technologies

• Continuing professional development and staying updated with industry advancements
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Q3. Tell me about yourself.
Ans. 
I am a Diploma Automobile Engineer with a passion for automotive technology and problem-solving.
• Diploma holder in Automobile Engineering

• Strong knowledge of automotive systems and components

• Experience in troubleshooting and repairing vehicles

• Proficient in using diagnostic tools and software

• Ability to analyze and solve complex technical issues

• Excellent communication and teamwork skills

• Passionate about staying updated wit...read more
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Q4. Hou much previous salary Expectation How much Annual salary Expectation
Ans. 
I expect a competitive salary based on my qualifications and experience.
• I am looking for a salary that reflects my skills and expertise in the field of automobile engineering.

• I have researched the market rates for automobile engineers with similar qualifications and experience.

• I am open to negotiation and willing to discuss the salary package based on the responsibilities and benefits offered by the company.

• I believe t...read more
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Q1. Share details of your previous job.
Ans. 
I worked as an Automobile Engineer at XYZ Company.
• Performed regular maintenance and repairs on various types of vehicles.

• Diagnosed and resolved mechanical and electrical issues.

• Conducted inspections and tests to ensure vehicles meet safety standards.

• Collaborated with team members to improve efficiency and productivity.

• Provided excellent customer service by addressing client concerns and explaining repairs.

• Managed inven...read more
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Q2. Where do you see yourself in 5 years?
Ans. 
In 5 years, I see myself working as a senior automobile engineer in a reputable company, leading a team and contributing to innovative automotive technologies.
• Working as a senior automobile engineer

• Leading a team of engineers

• Contributing to innovative automotive technologies

• Continuing professional development and staying updated with industry advancements
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Q3. Tell me about yourself.
Ans. 
I am a Diploma Automobile Engineer with a passion for automotive technology and problem-solving.
• Diploma holder in Automobile Engineering

• Strong knowledge of automotive systems and components

• Experience in troubleshooting and repairing vehicles

• Proficient in using diagnostic tools and software

• Familiarity with industry standards and regulations

• Ability to work well in a team and communicate effectively
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Q4. Hou much in your previous salary Expectation. Hou much annual salary your Expectations. What is your previous compancy in your working Desingation.
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Q5. How much salary in father occupation. What is your mother working. What is your sister or brother working. Hou much member of family.
Ans. 
The question asks about the salary and occupations of family members.
• Father's occupation and salary

• Mother's occupation

• Sister or brother's occupation

• Number of family members
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