Tata Cummins Diploma Automobile Engineer Interview Questions and Answers

Q1. What is the combustion chamber ,?
Ans. 
The combustion chamber is where fuel and air are mixed and burned in an internal combustion engine.
• It is a part of an internal combustion engine where the fuel-air mixture is ignited and burned.

• The combustion chamber is designed to contain and control the combustion process.

• It is typically located within the cylinder head of an engine.

• The shape and design of the combustion chamber can affect engine performance and effi
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Q2. Explain the refrigerant system?.
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Refrigerant system is a closed loop system that absorbs heat from a low-temperature area and releases it in a high-temperature area.
• Refrigerant circulates through the system to absorb and release heat

• Compressor increases the pressure of the refrigerant gas

• Condenser cools the refrigerant gas into a liquid

• Expansion valve reduces the pressure of the liquid refrigerant

• Evaporator absorbs heat from the surrounding area to co...read more
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Q1. There was a first round of technical knowledge of theory of mechanics , machine design and some basic knowledge of other subjects
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Q2. Describe about yourself,
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Q1. All about family background, members, and some personal questions
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The aptitude test is conducted for 35 marks. The minimum score must above 25 marks.
The aptitude test is about technical related to your trade. & general questions & verbal questions.

Q1. Introduce yourself, about this company
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Q2. About your future planning
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Q1. Mechanical production engineer
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Q2. Navitasiya India private limited. Company
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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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