Nuclear Power Corporation of India Junior Engineer Interview Questions and Answers

Q1. Why do you want to work with us?
Ans. I am a good learner and I want to initiate my career with the Torrent Power
Answered by RISHABH KUMAR KANNOUJIYA
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Q1. What is the cause of Transients in the power system?
Ans. 
Transients in the power system are caused by sudden changes in voltage or current.
• Transients can be caused by lightning strikes, switching operations, or faults in the power system.

• Lightning strikes can create high voltage transients that can damage equipment.

• Switching operations, such as turning on or off a large load, can cause voltage transients.

• Faults in the power system, such as short circuits, can also result in ...read more
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Basic Electrical Machines

Q1. Analog and Digital Control Questions
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The aptitude was quite interesting and it forces how you can think different to solve a simple prblm in different ways .

Q1. What's is pneumatic valve .
Ans. 
A pneumatic valve is a type of valve that uses compressed air to control the flow of fluids or gases.
• Pneumatic valves are commonly used in industries such as manufacturing, automation, and transportation.

• They are often used to control the flow of air, water, oil, or other fluids in a system.

• Pneumatic valves can be operated manually, electrically, or through the use of solenoids.

• They are typically made of materials such...read more
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Q2. What's is bourdon tube ,where it is used and why it is used?
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Q3. Search it on Google for better result
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The case study was on how to operate in a emergency situation if the boiler drum pressure is getting high without any limit

Q1. 1. What is Transformers ? 2.five mejor difference between AC and DC ? 3.what is motor ? 4.electromagnetic induction law? 5.ohms law?
Ans. 
Questions related to electrical engineering concepts such as transformers, AC and DC, motor, electromagnetic induction law, and Ohm's law.
• Transformers are devices that transfer electrical energy from one circuit to another through electromagnetic induction.

• AC (alternating current) changes direction periodically while DC (direct current) flows in one direction only.

• A motor is a device that converts electrical energy int...read more
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Q2. 1 personal interview?
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Q3. 1.Types of generator? 2.generation capacity in India? 3.maximum power transmission in India? 4.why are transmission maximum power? 5.what is thermocouple and use in where ?
Ans. 
Questions related to generators, power transmission, and thermocouples.
• Types of generators include diesel, gas, wind, and hydroelectric.

• India's generation capacity is around 370 GW.

• Maximum power transmission in India is around 1,050 GW.

• Transmission of maximum power is important to ensure efficient and reliable power supply.

• A thermocouple is a device used to measure temperature and is commonly used in industrial applica
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Why should we hire you?
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Q5. Why are you looking for a change?
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Q6. Where do you see yourself in 5 years?
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Q7. What are your strengths and weaknesses?
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Q8. Tell me about yourself.
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Q1. Questions comes from Electrical engineering branch
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Q1. Diode Converter Wind turbine basic principles Transformer
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Q2. Basic electrical
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Q1. What is transformer?
Ans. 
A transformer is an electrical device that transfers electrical energy from one circuit to another through electromagnetic induction.
• Transformers are used to increase or decrease the voltage of an alternating current (AC) power supply.

• They consist of two coils of wire, called the primary and secondary coils, wrapped around a magnetic core.

• When an AC current flows through the primary coil, it creates a magnetic field th...read more
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Q2. What is ohm's law? Power formula?
Ans. 
Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.
• Ohm's law is represented by the equation V = IR, where V is voltage, I is current, and R is resistance.

• The power formula is P = VI, where P is power, V is voltage, and I is current.

• Ohm's law is used to calculate the resistance of a circuit and to determine the amount of current flowing ...read more
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Q1. What you like i tell motor they told tell about motor
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Q1. What is 3 Phase induction motor
Ans. 
A 3 phase induction motor is a type of AC motor that operates on a three-phase power supply.
• Consists of a stator with three windings and a rotor

• Works on the principle of electromagnetic induction

• Commonly used in industrial applications for driving pumps, compressors, and fans
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Q2. What is power curve
Ans. 
Power curve is a graphical representation of the power output of a device or system over a range of operating conditions.
• Power curve shows the relationship between power output and operating conditions such as speed, load, or temperature.

• It helps in determining the optimal operating conditions for maximum power output.

• Power curves are commonly used in fields like engineering, renewable energy, and automotive industry.

• F...read more
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