Fiem Industries Diploma Trainee 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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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
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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
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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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All Machines information in Aptitude test

All employees are group discussion

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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Group offline examination of all shortlisted candidates.

Q1. Informations of salary and about duty and other benifits. Document verification
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Q1. Mechanical related questions
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Daily vase meeting discuss and early get dision

Q1. HR ask me where last doing working place and city
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Q1. Basic ectronic related questions Family background Current transformer Potential transformer
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Q2. Basic fundamentals Working principle of Induction motor
Ans. 
Induction motor works on the principle of electromagnetic induction to convert electrical energy into mechanical energy.
• Induction motor has a stator and a rotor

• Stator has a set of coils that are supplied with AC current

• This creates a rotating magnetic field which induces current in the rotor

• The rotor then starts rotating due to interaction with the magnetic field

• Induction motor is widely used in industries for various
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Q1. Thermal Engineering and industrial engineering
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Q2. Introduction of working engine
Ans. 
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
Ans. 
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
Ans. 
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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