COMSTAR AUTOMOTIVE TECHNOLOGIES Engineer 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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Q1. Tell me about yourself?
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Q2. Why do we hire you?
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Q3. What salary did you expect
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Q1. Tell me about your job profile? Roles Responsibilities.
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Q2. Tell be about manufacturing process which you have been seen in your career
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Q3. What are core tools of AIAG?
Ans. 
Core tools of AIAG include FMEA, PPAP, MSA, SPC, and APQP.
• FMEA (Failure Mode and Effects Analysis) is used to identify and prioritize potential failure modes in a process.

• PPAP (Production Part Approval Process) is used to ensure that suppliers meet customer requirements.

• MSA (Measurement Systems Analysis) is used to assess the quality of measurement systems.

• SPC (Statistical Process Control) is used to monitor and contro...read more
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Q1. What are yours failures?
Ans. 
I have experienced failures in project deadlines, communication, and technical solutions.
• Missed project deadlines due to underestimating tasks

• Miscommunication with team members leading to misunderstandings

• Implemented technical solutions that did not meet requirements
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Q2. What are your achievements?
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Q3. What is heat treatment process
Ans. 
Heat treatment process is a method used to alter the physical and sometimes chemical properties of a material through heating and cooling.
• Involves heating the material to a specific temperature

• Holding it at that temperature for a set amount of time

• Then cooling it at a controlled rate

• Can be used to increase hardness, improve machinability, or enhance other properties

• Common techniques include annealing, quenching, temper
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Casting should be thorough

Aluminium die Casting

Q1. Write and explain GD&T symbols?
Ans. 
GD&T symbols are used to specify the geometric requirements of a part or assembly.
• GD&T stands for Geometric Dimensioning and Tolerancing

• Symbols include: flatness, circularity, perpendicularity, concentricity, position, and more

• Each symbol has a specific meaning and is used to communicate precise engineering requirements

• GD&T is used in industries such as aerospace, automotive, and manufacturing

• Example: A position symbol...read more
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Q2. Explain Cp, Cpk & Pp, Ppk?
Ans. 
Cp, Cpk, Pp, and Ppk are statistical process control indices used to measure process capability and performance.
• Cp and Cpk measure how well a process meets its specifications, with Cpk being more accurate for non-centered processes.

• Pp and Ppk measure how well a process performs relative to its natural variation, with Ppk being more accurate for non-centered processes.

• All four indices are calculated using the process me...read more
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Q1. Related to GD&T, CNC programming knowledge, SPC, Fixture design and development, Tool design and development.
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