Sona Comstar Diploma Trainee Engineer Interview Questions and Answers for Freshers

Q1. Basic information of condidate
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Q2. Job discription of machine
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Q1. Programming of cnc vmc
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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
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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

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
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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
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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. 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. Line balancing & cycle time study
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Q2. Manpower handling
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