Hyundai Mobis Diploma Mechanical 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?.
Ans. 
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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Easy to moderate questions are given on general aptitude part.

Q1. What about yourself
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Q2. Tell about your college life
Ans. 
My college life was a mix of academics, extracurricular activities, and making lifelong friendships.
• Studied engineering with a focus on mechanical engineering

• Participated in various college events and competitions

• Was a member of the college robotics club

• Made close friends who I still keep in touch with
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Q3. Are you comfortable at any shift?
Ans. 
Yes, I am comfortable working at any shift as per the company's requirements.
• I am flexible and adaptable to different shift schedules.

• I understand the importance of teamwork and meeting project deadlines, which may require working different shifts.

• I am willing to adjust my personal schedule to accommodate the needs of the company.

• I have previous experience working in shifts and have successfully managed my time and res...read more
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Q1. What is your favourite subject?
Ans. 
My favorite subject is Mechanical Engineering because I enjoy learning about how machines work and designing new technologies.
• I enjoy studying topics like thermodynamics, fluid mechanics, and materials science.

• I like working on projects that involve designing and building machines or systems.

• I find the principles of mechanical engineering fascinating and enjoy applying them to real-world problems.
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Q2. Working of micrometre
Ans. 
Micrometre is a precision measuring instrument used to measure small distances accurately.
• Micrometre consists of a stationary anvil and a movable spindle.

• The object to be measured is placed between the anvil and spindle, and the spindle is turned to make contact with the object.

• The measurement is read from the scale on the sleeve and thimble of the micrometre.

• Micrometres are commonly used in engineering and manufacturi...read more
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Q3. What is degree of freedom
Ans. 
Degree of freedom refers to the number of independent variables or parameters that can vary in a system.
• Degree of freedom is the number of variables that can be changed independently without affecting the overall system.

• In mechanics, a rigid body in a plane has 3 degrees of freedom - two translations and one rotation.

• In thermodynamics, a simple compressible substance has 2 degrees of freedom - temperature and pressure.

• ...read more
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Q4. Types of forging , rolling
Ans. 
Forging and rolling are two common metalworking processes used to shape metal into desired forms.
• Forging involves shaping metal by applying compressive forces, typically using a hammer or press.

• Types of forging include open-die forging, closed-die forging, and impression-die forging.

• Rolling involves passing metal between rollers to reduce thickness or change shape.

• Types of rolling include hot rolling, cold rolling, and
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Q5. Tell me about manufacturing process
Ans. 
Manufacturing process involves converting raw materials into finished products through various steps and techniques.
• Manufacturing process starts with the design of the product

• Raw materials are sourced and inspected for quality

• Materials are processed through various methods like casting, molding, machining, etc.

• Quality control checks are performed at different stages

• Finished products are packaged and distributed to cust
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Q1. Draw star-delta Diagram
Ans. 
Star-delta diagram is a method used to reduce starting current in induction motors.
• Star connection is used during starting to reduce current and then switches to delta connection for running.

• In star connection, each phase is connected to a common point called the neutral.

• In delta connection, each phase is connected in a loop.

• Example: L1, L2, L3 are connected to A, B, C respectively in star, then switched to form a delt
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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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What is your Position in The company?

Q1. What is your Behaviour in Company s During work?
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Q2. What is your Responsibilities during your work in the company?
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Q3. What is your intrest about the job in company?
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Q4. What is company's Benifits with your work?
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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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