Tata Cummins Diploma Trainee Engineer Interview Questions and Answers for Freshers

Q1. 1.) Introduce your self. 2.) Why should be hire you. 3.) May be ask your current CTC if you are experiences.
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Q1. Related to your Technical skills
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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.
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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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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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Total number of marks is 20 , required passing marks is 16,

Q1. Tell us about ohm's law
Ans. 
Ohm's law states that the current flowing through a conductor is directly proportional to the voltage across it, given constant resistance.
• Ohm's law is represented by the formula V = IR, where V is voltage, I is current, and R is resistance.

• It is named after German physicist Georg Simon Ohm.

• It is commonly used in electrical engineering to calculate the relationship between voltage, current, and resistance.

• Ohm's law is ...read more
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Q2. How many types of transformer
Ans. 
There are mainly two types of transformers: Step-up transformers and Step-down transformers.
• Step-up transformers increase the voltage from primary to secondary winding.

• Step-down transformers decrease the voltage from primary to secondary winding.

• Examples include power transformers, distribution transformers, and instrument transformers.
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