Olectra Greentech Post Graduate Engineer Trainee Interview Questions and Answers

There was aptitute test based on reasoning english . it was 2 hr test

Q1. We were given to prepare a presentation on the given format they provided .we have to describe our projects and about ourself
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Q2. Related to my project work
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Q3. As an electrical engg how can i be useful to them
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Q4. Introduce urself
Ans. 
I am a recent graduate with a degree in engineering, passionate about problem-solving and eager to learn and grow in the field.
• Recent graduate with a degree in engineering

• Passionate about problem-solving

• Eager to learn and grow in the field
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Q5. What do u know about company
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Q1. What is the impact of Engine mass on vehichle
Ans. 
Engine mass affects vehicle performance, fuel efficiency, and handling.
• A heavier engine can negatively impact fuel efficiency as it requires more energy to move the vehicle.

• A lighter engine can improve handling and acceleration.

• Engine mass also affects weight distribution, which can impact stability and traction.

• Engine mass is particularly important in sports cars and racing vehicles where weight and performance are cr
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Q2. What is material used for piston
Ans. 
The material used for piston is typically aluminum alloy or cast iron.
• Aluminum alloy is lightweight and has good thermal conductivity, making it suitable for high-performance engines.

• Cast iron is heavier but more durable and can withstand high temperatures and pressures.

• Other materials like steel, titanium, and ceramic are also used in specialized applications.

• The choice of material depends on factors like engine type,
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Q3. What is the way of analyzing vibration problems experimentally
Ans. 
Experimental analysis of vibration problems involves measuring and analyzing the vibration signals.
• Measure the vibration signals using accelerometers or other sensors

• Analyze the signals using signal processing techniques such as FFT, time-domain analysis, and modal analysis

• Identify the root cause of the vibration problem based on the analysis results

• Take corrective actions to eliminate or reduce the vibration problem

• Re...read more
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Q4. What is detonation in petrol snd diesel engines
Ans. 
Detonation is an abnormal combustion process that occurs in the engine cylinder.
• It happens when the air-fuel mixture in the cylinder explodes instead of burning smoothly.

• It can cause engine damage and reduce efficiency.

• It is more common in high-performance engines and can be prevented by using high-octane fuel.

• In diesel engines, it is also known as 'diesel knock' and occurs when the fuel ignites before it should due to...read more
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Q1. Why you took 2 years drop
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Q2. You have no experience in aitomobole company, how can I expect contribution from you
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Q1. If tata offers the same role then which company you are going to join
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Q1. What do you know about engine?
Ans. 
An engine is a machine that converts energy into mechanical motion.
• Engines can be powered by various sources such as gasoline, diesel, electricity, or steam

• They are commonly used in vehicles, machinery, and power generation

• Internal combustion engines are the most common type, found in cars and motorcycles

• External combustion engines, like steam engines, use an external heat source to generate power
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Q2. What is stroke? Different between 2 stroke and 4 stroke.
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