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NTPC Interview Questions, Process, and Tips

Updated 6 Mar 2025

Top NTPC Interview Questions and Answers

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NTPC Interview Experiences

Popular Designations

158 interviews found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Dec 2022. 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 Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. 1 .Law of thermodynamics, about centrifugal, reciprocating pump,types of boiler
  • Q2. Types of Gear, types of valve
  • Ans. 

    There are various types of gears and valves used in maintenance.

    • Types of gears include spur, helical, bevel, worm, and planetary gears.

    • Types of valves include gate, globe, ball, butterfly, and check valves.

    • Each type of gear and valve has its own unique characteristics and applications.

    • Proper maintenance and lubrication is essential for the longevity and efficiency of gears and valves.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - In power plant more scope for specially mechanical, electrical

Maintenance Supervisor Interview Questions asked at other Companies

Q1. What qualities do you look for in the perfect piece of jewellery
View answer (2)

Interview Questions & Answers

user image Anonymous

posted on 21 May 2024

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
6-8 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before May 2023. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. About Starting of Gas turbine and Modes

Interview Preparation Tips

Interview preparation tips for other job seekers - Be honest. Be brave with your answers. And Don't waste their time beating around bushes.
NTPC Interview Questions and Answers for Freshers
illustration image

Finance Officer Interview Questions & Answers

user image minakshi khanna

posted on 15 Sep 2023

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

I applied via Newspaper Ad and was interviewed in Mar 2023. There were 3 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 Resume tips
Round 2 - HR 

(1 Question)

  • Q1. HR related to bio
Round 3 - Technical 

(1 Question)

  • Q1. Lot of taxation questions and costing about study

Finance Officer Interview Questions asked at other Companies

Q1. As per AS11 howbu will revalue ur balance sheet items
View answer (1)

I applied via Walk-in and was interviewed in May 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 Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. Power plant engineering
  • Q2. Boiler pressure,steam line

Executive Assistant Interview Questions asked at other Companies

Q1. What is deviation What is validation and its type in detail What is CAPA AND HOW IT is initiated Examples of incidences and how it is rectified Examples of preventive action and corrective actions Procedure for reprocessing of batch What is... read more
View answer (1)

NTPC interview questions for popular designations

 Executive Trainee

 (4)

 Supervisor

 (3)

 Engineer

 (2)

 Safety Officer

 (2)

 Electrical Engineer

 (2)

 Intern

 (2)

 Operations Executive

 (2)

 Trainee

 (2)

Interview experience
4
Good
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via NATs and was interviewed in Oct 2022. 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 Resume tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Just normal question related to education qualification
  • Q2. There is no other questions

Interview Preparation Tips

Interview preparation tips for other job seekers - just be confident

Apprentice Trainee Interview Questions asked at other Companies

Q1. # Modes of heat transfer and how do they work? #Thermodynamics #performance curve of pump #priming (pump)
View answer (3)

Get interview-ready with Top NTPC Interview Questions

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Jul 2023. There was 1 interview round.

Round 1 - Technical 

(5 Questions)

  • Q1. How many year of experience do you have.
  • Ans. 

    I have 5 years of experience working in Chp Operations Engineer role.

    • 5 years of experience in Chp Operations Engineer role

    • Experience includes managing daily operations, troubleshooting issues, and optimizing processes

    • Implemented new strategies to improve efficiency and reduce downtime

  • Answered by AI
  • Q2. What is safety switch and how does it work.
  • Ans. 

    A safety switch is a device that automatically shuts off a machine or equipment if it detects a potentially dangerous situation.

    • Safety switches are designed to prevent accidents and injuries by quickly cutting off power to the equipment.

    • They can be triggered by various factors such as overheating, overloading, or mechanical faults.

    • Examples of safety switches include emergency stop buttons on machinery and ground fault

  • Answered by AI
  • Q3. What is your role in current company.
  • Ans. 

    I am responsible for overseeing the day-to-day operations of the Chp system in my current company.

    • Monitoring and maintaining Chp system performance

    • Troubleshooting any issues that arise

    • Collaborating with other team members to optimize system efficiency

  • Answered by AI
  • Q4. Why do you want to resign your company.
  • Ans. 

    Seeking new challenges and growth opportunities in a different environment.

    • Desire for career advancement

    • Looking for new challenges and learning opportunities

    • Seeking a better work-life balance

    • Company culture or values not aligned with personal values

    • Relocation or family reasons

  • Answered by AI
  • Q5. What do you preliminary need to establish 100MW power plant,
  • Ans. 

    To establish a 100MW power plant, preliminary steps include site selection, obtaining permits, securing financing, designing the plant, and procuring equipment.

    • Site selection for optimal location and access to necessary resources

    • Obtaining permits and approvals from local authorities and regulatory bodies

    • Securing financing through investors or financial institutions

    • Designing the power plant layout and infrastructure

    • Proc...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for NTPC Chp Operations Engineer interview:
  • Current Job
Interview preparation tips for other job seekers - You need to have excellent knowledge of previous company and what is about to your role in new company

Chp Operations Engineer Interview Questions asked at other Companies

Q1. What do you preliminary need to establish 100MW power plant,
View answer (1)

Interview Questions & Answers

user image Anonymous

posted on 8 Mar 2023

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. That's 34 years back,so I virtually can't remember.
  • Q2. Why Turbine,s efficiency is less & so derive the efficiency equation
  • Ans. 

    Turbine efficiency is less due to various factors such as friction, heat loss, and incomplete combustion.

    • Friction between moving parts reduces efficiency

    • Heat loss to surroundings decreases efficiency

    • Incomplete combustion results in wasted fuel

    • Efficiency equation: (useful energy output / total energy input) x 100%

    • Factors affecting efficiency: design, maintenance, fuel quality

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Go through text book of steam turbines properly & come with positive results.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
6-8 weeks
Result
Selected Selected

I applied via Job Portal and was interviewed in Dec 2022. 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 Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. FGD plant DDCMIS DCS control of FGD plant.
  • Q2. Electrical system

Assistant Electrical Engineer Interview Questions asked at other Companies

Q1. How will you plan and execute a 1 KM 11KV Transmission Line?
View answer (2)

Welder Interview Questions & Answers

user image Anonymous

posted on 26 Feb 2023

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Aug 2022. 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 Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. Welding&cutting rilleted
  • Q2. Practical & techical ans

Interview Preparation Tips

Interview preparation tips for other job seekers - Electric arc welding gas welding gas cutting high pressure pipe line weldig, all weding posion

Welder Interview Questions asked at other Companies

Q1. If the person refuse to work then how to convince him to work If he refuse to work I will ask him first why you don't want to work if he have any problem with that I will try to solved
View answer (1)
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
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 Resume tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Thermodynamics Power plant
  • Q2. First law Humidity psychometric

Interview Preparation Tips

Interview preparation tips for other job seekers - Yes nice day for work under your supervision of energy department

Service Maintenance Supervisor Interview Questions asked at other Companies

Q1. How work Wtp, stp, etp, boiler and operation, maintainance, monitoring, pump, shift handling ,etc.
View answer (1)
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NTPC Interview FAQs

How many rounds are there in NTPC interview?
NTPC interview process usually has 1-2 rounds. The most common rounds in the NTPC interview process are Technical, Resume Shortlist and Aptitude Test.
What are the top questions asked in NTPC interview?

Some of the top questions asked at the NTPC interview -

  1. Which is the extensively used motor in general?(in general it is I...read more
  2. If you are asked to construct a dam in Mizoram, what will be the problems you a...read more
  3. What is the step up and step down transform...read more
How long is the NTPC interview process?

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

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