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Nuclear Power Corporation of India Interview Questions and Answers

Updated 9 Mar 2025
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14 Interview questions

A Scientific Officer was asked 4mo ago
Q. How do you derive the area of a triangle?
Ans. 

Triangle area can be derived using the formula: 0.5 * base * height

  • Use the formula: area = 0.5 * base * height

  • Measure the base and height of the triangle

  • Multiply the base and height by 0.5

  • The result is the area of the triangle

View all Scientific Officer interview questions
A Scientific Officer was asked 4mo ago
Q. What are your top 5 favorite subjects from your engineering studies, in order of preference?
Ans. 

My top 5 favorite subjects during engineering were: 1. Computer Science 2. Electronics 3. Mathematics 4. Physics 5. Mechanical Engineering

  • Computer Science - enjoyed coding and software development

  • Electronics - fascinated by circuit design and electronic devices

  • Mathematics - loved solving complex problems and equations

  • Physics - intrigued by the laws of nature and their applications

  • Mechanical Engineering - enjoyed l...

View all Scientific Officer interview questions
A Technical Support Engineer was asked
Q. What is your favorite subject?
Ans. 

My favorite subject is computer science because I enjoy problem-solving and working with technology.

  • Computer science allows me to work with cutting-edge technology

  • I enjoy problem-solving and logical thinking involved in computer science

  • I find programming languages fascinating and enjoy learning new ones

View all Technical Support Engineer interview questions
A Scientific Officer was asked
Q. Why do you want to join NPCIL?
Ans. 

I want to join NPCIL because of its reputation for excellence in nuclear power generation and research.

  • I am passionate about nuclear science and technology

  • I admire NPCIL's commitment to safety and innovation

  • I believe working at NPCIL will provide me with valuable experience and opportunities for growth

View all Scientific Officer interview questions
A Copy Editor was asked
Q. What is the formula for the volume of a cone?
Ans. 

The formula for the volume of a cone is (1/3)πr²h.

  • The formula involves the radius and height of the cone.

  • The constant π is also used in the formula.

  • The formula is (1/3)πr²h.

  • The volume of a cone can be calculated using this formula.

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A Manager-F&A was asked
Q. How is nuclear power generated?
Ans. 

Nuclear power is generated by splitting atoms of uranium or plutonium in a process called nuclear fission.

  • Nuclear fission releases a large amount of energy in the form of heat.

  • This heat is used to produce steam, which drives turbines to generate electricity.

  • Nuclear power plants use a controlled chain reaction to split atoms and release energy.

  • The fuel rods containing uranium or plutonium are placed in a reactor co...

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An Electrical Engineer was asked
Q. What is the difference between electrical and electronic devices?
Ans. 

Electrical devices use electricity for power, while electronic devices manipulate electrical signals for specific functions.

  • Electrical devices primarily deal with the flow of electric current (e.g., motors, transformers).

  • Electronic devices control the flow of electrons and use components like transistors and diodes (e.g., smartphones, computers).

  • Electrical devices are often used for power generation and distributi...

View all Electrical Engineer interview questions
Are these interview questions helpful?
A Diploma Mechanical Engineer was asked
Q. What is fuel injection?
Ans. 

Fuel injection is a system that delivers fuel into an internal combustion engine in a controlled manner.

  • Fuel injection replaces carburetors in modern engines.

  • It improves fuel efficiency, power output, and emissions.

  • There are different types of fuel injection systems, such as direct injection and port injection.

  • Fuel injectors spray fuel into the combustion chamber or intake manifold.

  • The amount of fuel injected is c...

View all Diploma Mechanical Engineer interview questions
An Electrical Supervisor was asked
Q. How do you protect an electric motor?
Ans. 

Electric motor protection is essential to prevent damage and ensure safe operation.

  • Overload protection to prevent overheating

  • Short circuit protection to prevent damage from electrical faults

  • Ground fault protection to prevent electrical shock

  • Thermal protection to prevent damage from high temperatures

  • Phase protection to prevent damage from phase imbalances

  • Vibration monitoring to detect mechanical issues

  • Regular maint...

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A Safety Supervisor was asked
Q. Why are toe boards used in scaffolding?
Ans. 

Toe boards are used in scaffolds to prevent tools and materials from falling off and to provide additional safety for workers.

  • Toe boards are installed along the edge of a scaffold platform to create a barrier and prevent objects from rolling or sliding off.

  • They are typically made of wood or metal and are securely attached to the scaffold structure.

  • Toe boards also serve as a visual reminder for workers to be cautio...

View all Safety Supervisor interview questions

Nuclear Power Corporation of India Interview Experiences

29 interviews found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

I appeared for an interview in Dec 2024.

Round 1 - Technical 

(5 Questions)

  • Q1. Nuclear Power corporation India workd
  • Ans. 

    Battery system and power ups

  • Answered Anonymously
  • Q2. GAIL India limited workd by
  • Ans. 

    Ups battery acosiats

  • Answered Anonymously
  • Q3. Batteries system and power ups
  • Ans. 

    CM and PM battery working

  • Answered Anonymously
  • Q4. Battery conditioning monitoring
  • Q5. Battery maintenance
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
More than 8 weeks
Result
Selected Selected

I appeared for an interview in Sep 2024.

Round 1 - Technical 

(2 Questions)

  • Q1. Koi sawal nhi he
  • Q2. Koi sawal nhi he
Round 2 - Technical 

(2 Questions)

  • Q1. Koi sawal nhi he
  • Q2. Koi sawal nhi he

Interview Preparation Tips

Interview preparation tips for other job seekers - Draughtsman mechanical

Interview Questions & Answers

user image Anonymous

posted on 17 Dec 2024

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
More than 8 weeks
Result
-

I applied via CMA

Round 1 - HR 

(2 Questions)

  • Q1. Tell about Advance Tax ?
  • Q2. Tell about Cost Audit applicable?

Interview Preparation Tips

Interview preparation tips for other job seekers - Knowledge about CMA INTER

Trainee Interview Questions & Answers

user image Pratyush Choudhary

posted on 15 Jun 2024

Interview experience
2
Poor
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Company Website and was interviewed in May 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Rankine process
  • Q2. Heat engines, types of pump, refrigeration cycle, distillation column design, turbines

Interview Preparation Tips

Interview preparation tips for other job seekers - better things to do than waste time in this hiring process
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
Selected Selected
Round 1 - Technical 

(2 Questions)

  • Q1. INDUCTION MOTOR curve
  • Ans. 

    An induction motor curve shows the relationship between motor speed, torque, and power.

    • Induction motor curves typically show speed on the x-axis and torque or power on the y-axis.

    • The curve may include a breakdown of different operating regions such as breakdown torque, pullout torque, and maximum torque.

    • Efficiency and power factor may also be included in the curve to show performance at different load conditions.

  • Answered by AI
  • Q2. Harmonics, inrush current, SMPS,
Round 2 - NIL 

(1 Question)

  • Q1. VERIFICATION OF BACKGROUND
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Job Fair and was interviewed in Dec 2023. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Heat transfer , heat exchanger suddenly stop than what you do
  • Q2. How increase yield in ammonia plant
  • Ans. 

    Increasing yield in an ammonia plant involves optimizing process conditions, improving catalyst efficiency, and reducing energy consumption.

    • Optimize process conditions such as temperature, pressure, and feed composition to maximize conversion of reactants to product

    • Improve catalyst efficiency by maintaining and replacing catalysts regularly to ensure optimal performance

    • Reduce energy consumption by implementing energy-e...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Preparing ht, Mt, cre, FM, thermo

Executive Trainee Interview Questions & Answers

user image ramesh vaishnav

posted on 26 Jul 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Basics of thermodynamics
  • Q2. Basics of heat transfer
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Barnoli equation
  • Q2. Mass transfer releated in distillation column
  • Ans. 

    Mass transfer in distillation column involves separation of components based on their volatility.

    • Mass transfer in distillation column is the process of separating components based on their different volatilities.

    • It involves vaporization of the liquid mixture, followed by condensation of the vapor to separate the components.

    • The more volatile components will vaporize more easily and rise to the top of the column, while t...

  • Answered by AI
Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

I applied via Company Website and was interviewed in Apr 2023. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(4 Questions)

  • Q1. Most questions are from the subject background.
  • Q2. Please introduce yourself.
  • Q3. My name is so and so/ I have done my Diploma/Btech from so and so college.
  • Q4. What is your fvourate subject.
  • Ans. 

    My favorite subject is computer science because I enjoy problem-solving and working with technology.

    • Computer science allows me to work with cutting-edge technology

    • I enjoy problem-solving and logical thinking involved in computer science

    • I find programming languages fascinating and enjoy learning new ones

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on the subject/disciple for which you are appearing for interview.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed before May 2023. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Wtp experience based questions.

Interview Preparation Tips

Topics to prepare for Nuclear Power Corporation of India Shift Incharge interview:
  • Water Treatment Plant
  • DE MINERALISATION
  • RESIN FOR WATER TREATMENT
  • POLLUTION CONTROL PARAMETERS
  • Environmental Monitoring
  • IMS POLICY
Interview preparation tips for other job seekers - Be focused on what is your resume highlighted for.

Top trending discussions

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Interview Tips & Stories
1w (edited)
a team lead
Why are women still asked such personal questions in interview?
I recently went for an interview… and honestly, m still trying to process what just happened. Instead of being asked about my skills, experience, or how I could add value to the company… the questions took a totally unexpected turn. The interviewer started asking things like When are you getting married? Are you engaged? And m sure, if I had said I was married, the next question would’ve been How long have you been married? What does my personal life have to do with the job m applying for? This is where I felt the gender discrimination hit hard. These types of questions are so casually thrown at women during interviews but are they ever asked to men? No one asks male candidates if they’re planning a wedding or how old their kids are. So why is it okay to ask women? Can we please stop normalising this kind of behaviour in interviews? Our careers shouldn’t be judged by our relationship status. Period.
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Nuclear Power Corporation of India Interview FAQs

How many rounds are there in Nuclear Power Corporation of India interview?
Nuclear Power Corporation of India interview process usually has 1-2 rounds. The most common rounds in the Nuclear Power Corporation of India interview process are Technical, Resume Shortlist and One-on-one Round.
What are the top questions asked in Nuclear Power Corporation of India interview?

Some of the top questions asked at the Nuclear Power Corporation of India interview -

  1. What is Amplitude modulation? Why modulation is done? Relationship between An...read more
  2. How is nuclear power generat...read more
  3. Was asked what is the difference between electrical or electronic devic...read more
How long is the Nuclear Power Corporation of India interview process?

The duration of Nuclear Power Corporation of India interview process can vary, but typically it takes about less than 2 weeks to complete.

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Overall Interview Experience Rating

4.3/5

based on 27 interview experiences

Difficulty level

Easy 9%
Moderate 55%
Hard 36%

Duration

Less than 2 weeks 64%
2-4 weeks 18%
More than 8 weeks 18%
View more

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Nuclear Power Corporation of India Reviews and Ratings

based on 260 reviews

4.1/5

Rating in categories

3.9

Skill development

4.0

Work-life balance

4.0

Salary

4.1

Job security

3.7

Company culture

3.6

Promotions

3.7

Work satisfaction

Explore 260 Reviews and Ratings
Scientific Officer
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₹15.5 L/yr - ₹25 L/yr

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₹10.7 L/yr - ₹24 L/yr

Supervisor
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₹2.2 L/yr - ₹6.5 L/yr

Technician
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₹1.5 L/yr - ₹4.8 L/yr

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