Amara Raja Group Production Graduate Engineer Trainee Interview Questions and Answers

Altitude and core test first after that interview round

Q1. Tell me about urself? Some other core question?
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It was easy aptitude and core test

Q1. What is spectrometer
Ans. 
A spectrometer is a scientific instrument used to measure properties of light over a specific portion of the electromagnetic spectrum.
• Spectrometers can be used to analyze the chemical composition of materials based on how they interact with light.

• They are commonly used in various fields such as chemistry, physics, astronomy, and environmental science.

• Examples of spectrometers include UV-Vis spectrometers, infrared spec
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Q1. Where do you live and father's profession
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Time distance, time speed

Q1. Explain performance curves of centrifugal pump
Ans. 
Performance curves of centrifugal pump show the relationship between flow rate, head, and efficiency.
• Performance curves show how a pump performs at different flow rates and heads.

• The curve typically includes lines for efficiency, power consumption, and NPSH requirements.

• The shape of the curve can indicate the pump's operating range and efficiency.

• Operating a pump outside of its recommended range can lead to issues like
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Q2. Explain best efficency point of centrifugal pump
Ans. 
The best efficiency point of a centrifugal pump is the operating point where the pump achieves the highest efficiency.
• The best efficiency point is typically located near the pump's BEP (Best Efficiency Point) on the pump curve.

• At the best efficiency point, the pump operates with the least amount of energy consumption and highest output.

• Operating the pump away from the best efficiency point can lead to decreased efficie...read more
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Q3. Explain joule Thomson effect
Ans. 
Joule Thomson effect is the change in temperature of a gas when it is allowed to expand without performing work.
• Occurs when a gas expands through a valve or porous plug

• No external work is done on or by the gas

• Temperature change depends on the gas properties and initial conditions

• Used in natural gas processing to cool the gas for further processing
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Q4. Explain iron carbon phase diagram
Ans. 
Iron carbon phase diagram shows the phases of iron and carbon at different temperatures and compositions.
• Shows the phases of iron and carbon at different temperatures and compositions

• Consists of regions for austenite, ferrite, cementite, and pearlite

• Helps in understanding the microstructure of steel

• Critical points like eutectic point and eutectoid point are important

• Used in heat treatment processes to control the prope
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Q5. Explain series and parallel operation of pumps
Ans. 
Series and parallel operation of pumps involve connecting multiple pumps together to achieve desired flow rates and pressures.
• In series operation, pumps are connected one after the other to increase the total head or pressure that the system can deliver.

• In parallel operation, pumps are connected side by side to increase the total flow rate that the system can deliver.

• Series operation is used when high pressure is requi...read more
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Not that difficult questions

Q1. Yarn spinning and it's types
Ans. 
Yarn spinning is the process of creating yarn from fibers. Types include ring spinning, open-end spinning, and friction spinning.
• Yarn spinning is the process of twisting fibers together to create a continuous strand of yarn.

• Ring spinning is a traditional method where the yarn is twisted and wound onto a bobbin.

• Open-end spinning is a newer method where fibers are twisted together using air jets.

• Friction spinning involve...read more
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Q2. Project and internship
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Question are simple and easy to solve

Q1. How the vcr works
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Q2. What is navier stokes equation
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Very very good interview experience !!

Q1. Introduction tell me about yourself
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Q2. Core questions rekated to project
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The aptitude test wasnt easy to crack

Q1. Corrosion reaction
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Q2. Questions on thermodynamics
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Q1. M.Tech Thesis in Depth questions
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Q2. Haet Transfer and Mass Transfer questions
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