NHPC Junior Engineer Interview Questions and Answers

Q1. What is quality
Ans. 
Quality is the measure of excellence or superiority of something.
• Quality is meeting or exceeding customer expectations.

• It involves consistency, reliability, and durability.

• Quality can be subjective and vary depending on the context.

• Examples include high-quality products, services, and processes.
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Q2. Quality and kaizen
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Q1. Electrical work in solar energy
Ans. 
Electrical work in solar energy involves designing, installing, and maintaining electrical systems for solar power generation.
• Designing and sizing solar power systems

• Installing solar panels and inverters

• Connecting solar panels to the electrical grid

• Troubleshooting and repairing electrical issues in solar systems

• Performing regular maintenance and inspections

• Ensuring compliance with safety regulations and standards
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Q1. Solar project electrical work
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Electrical equipment and field all activities
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Q2. Electrical AC Dc work field in electrical work
Ans. 
Electrical AC DC work field involves working with both alternating current (AC) and direct current (DC) in electrical systems.
• AC (alternating current) is the type of electrical current commonly used in homes and businesses, while DC (direct current) is used in batteries and electronic devices.

• AC current periodically changes direction, while DC current flows in only one direction.

• In electrical work, understanding and wo...read more
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Q1. Solar project and O&M work electrical
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Q1. AC, Dc,mms, module cleaning, strings grass cutting PM activity
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Q1. As per salary discussion with in joined
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Q1. As per last salary and hire 25 percentage
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Q2. I attached offer letter in your company
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Q1. I have notice period after then joined
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Q1. What is gear and types of gears
Ans. 
Gears are mechanical devices that transmit motion and power between rotating shafts. There are various types of gears including spur, helical, bevel, and worm gears.
• Gears are mechanical components with teeth that mesh with each other to transmit motion and power.

• Spur gears have straight teeth and are the most common type of gear.

• Helical gears have angled teeth for smoother and quieter operation.

• Bevel gears have cone-sh...read more
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Q2. How many therads are there and types of threads
Ans. 
There are two main types of threads - internal threads and external threads.
• Internal threads are threads on the inside of a hole, while external threads are threads on the outside of a cylinder or cone.

• Common types of threads include metric threads, unified threads, and pipe threads.

• Threads can also vary in pitch, diameter, and shape depending on their intended use.
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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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