JTEKT Diploma Trainee Engineer Interview Questions, Process, and Tips

Q1. Mechanical properties of material
Ans. 
Mechanical properties of materials refer to their ability to withstand applied forces without failure.
• Mechanical properties include strength, hardness, toughness, ductility, and elasticity.

• Strength is the ability of a material to withstand an applied force without failure.

• Hardness is the resistance of a material to deformation or scratching.

• Toughness is the ability of a material to absorb energy and plastically deform ...read more
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Q2. What is difference between stress and strain.
Ans. 
Stress is the force applied to a material, while strain is the resulting deformation or change in shape.
• Stress is a measure of the internal resistance of a material to deformation under an applied force.

• Strain is the measure of the deformation or displacement of material in response to stress.

• Stress is typically measured in units of force per unit area (such as N/m^2 or Pa), while strain is dimensionless.

• Stress can cau...read more
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Q1. Thermal Engineering and industrial engineering
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Q2. Introduction of working engine
Ans. 
A working engine is a mechanical device that converts energy into mechanical motion.
• Engines are commonly used in vehicles, machinery, and power generation.

• They typically operate by burning fuel to create a controlled explosion, which drives pistons or turbines.

• Different types of engines include internal combustion engines, steam engines, and gas turbines.

• Engines require various components such as cylinders, pistons, va...read more
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Q3. Diesel engine petrol engine difference
Ans. 
Diesel engines and petrol engines differ in their fuel type, ignition process, and efficiency.
• Fuel type: Diesel engines use diesel fuel, while petrol engines use gasoline.

• Ignition process: Diesel engines use compression ignition, while petrol engines use spark ignition.

• Efficiency: Diesel engines are generally more fuel-efficient than petrol engines.

• Examples: Cars, trucks, and buses often use petrol engines, while heavy...read more
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Q4. What is piston, crank shaft, bearing
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A piston is a component in an engine that moves up and down in a cylinder, converting pressure into mechanical motion. A crankshaft is a rotating shaft that converts reciprocating motion into rotational motion. A bearing is a device that supports and reduces friction between moving parts.
• Piston: Moves up and down in a cylinder, sealed by piston rings. Transfers force from expanding gases to the crankshaft.

• Crankshaft: C...read more
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Q1. Self introduction and normal technical question
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Q1. Tell me about your self? Occupation of your father?
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1st round is aptitude test . This test is conducted offline . After clear this you go for 2nd round.

Q1. Your previous work experience
Ans. 
I have previous work experience as a Diploma Trainee Engineer.
• Worked as a trainee engineer at XYZ Company for 1 year

• Assisted senior engineers in designing and implementing engineering projects

• Gained hands-on experience in troubleshooting and maintenance of equipment

• Collaborated with cross-functional teams to ensure project success

• Participated in regular training sessions to enhance technical skills
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Q2. Your family details and your full introduction.
Ans. 
I will provide my family details and a full introduction.
• My name is [Your Name].

• I come from a family of four, including my parents and a younger sibling.

• My father is a retired engineer and my mother is a homemaker.

• I completed my Bachelor's degree in Engineering from [University Name].

• I have a strong interest in technology and problem-solving.

• During my studies, I actively participated in various technical projects and c...read more
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