Tata Cummins Engineer Trainee Interview Questions and Answers

Q1. Depends on experience
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Q2. Related to systematic approach
Ans. Problem solving tools, OEE, FPY, Root cause analysis. 14Q, 5S
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General aptitude and technical questions from every engg field (mech,CS, Electrical,Electronics)
Need basic technical knowledge to crack

Group debate of 18-20 candidates with 9-10 in each team (in favour and against)

Topics related to Automobile industry or latest trends

18 candidates selected from 3 GDs

Q1. Family background
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Q2. Why Denso, what makes you eligible
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Q3. AC is an electrical appliance but sold in Electronics shop why so?
Ans. 
AC is sold in Electronics shops because it is an electrical appliance that utilizes electronic components for its operation.
• ACs use electronic components like capacitors, resistors, and microcontrollers for regulating temperature and controlling functions.

• Electronics shops specialize in selling a wide range of electronic devices, including appliances like ACs.

• ACs are considered as part of the electronics category due t...read more
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Q4. Any other recruitment filled ?
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Q1. How can you operate 4 different light bulbs under different trigger condition?
Ans. 
To operate 4 different light bulbs under different trigger conditions, use a combination of switches, timers, sensors, and programming.
• Use individual switches to control each light bulb independently.

• Set up timers to automatically turn on/off specific light bulbs at scheduled times.

• Utilize sensors such as motion sensors or light sensors to trigger certain light bulbs based on environmental conditions.

• Program a microcon...read more
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Q2. What is the process of cooling in AC
Ans. 
AC cooling process involves refrigerant absorbing heat from indoor air and releasing it outside.
• Refrigerant absorbs heat from indoor air through evaporator coils

• The warm refrigerant is then pumped to the condenser coils located outside

• Condenser coils release the heat absorbed from indoor air to the outside environment

• The refrigerant then goes back to the evaporator coils to repeat the cycle
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Q3. Basics of semiconductor devices (by japanese panelist)
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Q4. How can you make a transistor if semiconductor material is given to you (by japanese panelist)
Ans. 
To make a transistor, semiconductor material can be used to create a structure with three layers: emitter, base, and collector.
• Start by doping the semiconductor material with impurities to create the different layers.

• Use lithography and etching techniques to define the structure of the transistor.

• Add metal contacts to the different layers to allow for electrical connections.

• Test the transistor to ensure proper function...read more
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Q1. Basic HR question (tell me about yourself and similar)
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Q1. Technical questions related to field
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Q1. Interview cum interaction with top management
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Q1. Why you want to join us
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Q1. What is your role and responsibilities in privious company.
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Q2. What is your strength and weakness
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Q1. Basic information of condidate
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Q2. Job discription of machine
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Q1. Programming of cnc vmc
Ans. 
Programming of CNC VMC involves creating instructions for the machine to follow in order to produce a specific part.
• Requires knowledge of programming languages such as G-code and M-code

• Involves creating a step-by-step process for the machine to follow

• Requires understanding of the machine's capabilities and limitations

• May involve creating custom tool paths for specific parts

• Examples include programming a CNC VMC to prod...read more
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Q2. Code of machining for making program
Ans. 
The code of machining for making a program involves creating instructions for a machine to follow in order to produce a desired output.
• The program should include specific instructions for the machine to follow, such as tool selection, cutting speed, and feed rate.

• The code should be optimized for efficiency and accuracy.

• It is important to consider the material being machined and adjust the program accordingly.

• Testing an...read more
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Q1. Given program for making a program of auto shaft
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Q2. Another given a making program on cnc machine
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Q1. Job profile discussion
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Q2. Job profile discussion about shop flor
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Q1. Group discussion with team
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Q2. Group discussion with team of production and plant head
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Given a problem for solving on shop floor

Group discussion with team of production and plant head