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NTPC-Sail Power Company Electrical Maintenance Supervisor Interview Questions and Answers

Updated 11 Mar 2025

NTPC-Sail Power Company Electrical Maintenance Supervisor Interview Experiences

1 interview found

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I appeared for an interview before Mar 2024.

Round 1 - Technical 

(4 Questions)

  • Q1. Why Earthing use in electrical equipments? Difference between 3 Phase 1 phase erthing
  • Ans. 

    Earthing ensures safety by preventing electric shock and equipment damage. Differences exist between single-phase and three-phase earthing.

    • Earthing provides a safe path for fault currents, reducing the risk of electric shock.

    • In single-phase systems, earthing typically involves one phase and neutral, while three-phase systems require earthing for all three phases.

    • Three-phase earthing can handle higher loads and provides...

  • Answered by AI
  • Q2. Mustter trip coil code ?
  • Q3. Battery Ah
  • Q4. Generator protection type realy A ??
Round 2 - HR 

(1 Question)

  • Q1. Are you relocate your home town ?
  • Ans. 

    Yes, I am open to relocating for the right opportunity to advance my career and contribute effectively to the team.

    • Relocation can provide new challenges and experiences that enhance my skills.

    • I have previously relocated for work, which helped me grow professionally and personally.

    • Being adaptable to new environments is crucial in the electrical maintenance field.

    • I am excited about the possibility of working in different

  • Answered by AI

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Sep 2022. There were 5 interview rounds.

Interview Preparation Tips

Topics to prepare for JSW Energy Mechanical Maintenance Engineer interview:
  • Thermodynamics
Interview preparation tips for other job seekers - If non NPTI you will be given Maintance Department. Mechanical will get mechanical and electrical may get I&C, switchyard, E&I. Complete absence of worklife balance. Pay and facility is no doubt excellent but you will have to compromise with following things if pay is what you desire:

Worklife balance, skill enhancement, learning/gaining new skills, job satisfaction, no fixed working hours, growth opportunities, personal life
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
6-8 weeks
Result
Not Selected

I appeared for an interview before Feb 2024.

Interview Preparation Tips

Interview preparation tips for other job seekers - It's good company interview was good, hiring team is very cooperative

I applied via Naukri.com and was interviewed before Mar 2020. There were 4 interview rounds.

Interview Questionnaire 

9 Questions

  • Q1. Rankine cycle
  • Q2. Thermodynamics
  • Q3. Electricity
  • Q4. About personal information
  • Q5. How power plant work
  • Ans. 

    Power plants generate electricity by converting various forms of energy into electrical energy.

    • Fuel is burned to produce heat, which is used to create steam.

    • The steam drives a turbine, which powers a generator to produce electricity.

    • Different types of power plants include coal-fired, natural gas-fired, nuclear, hydroelectric, and renewable energy sources.

    • Power plants require regular maintenance and monitoring to ensure

  • Answered by AI
  • Q6. Entropy
  • Q7. Enthalpy
  • Q8. Latent heat
  • Q9. Absolute temperature

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare with basic information of your stream .
Heat
Work
Conductivity
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

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

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
-
Result
Selected Selected
Round 1 - HR 

(1 Question)

  • Q1. Introduced your self
Round 2 - Technical 

(3 Questions)

  • Q1. Tell me how u came in chp
  • Q2. Till ur journey in chp which equipment u like most.
  • Ans. 

    I have always been fascinated by the versatility and efficiency of centrifugal pumps in the chemical process industry.

    • Centrifugal pumps are essential for transferring fluids in chemical plants

    • They are known for their simplicity, high flow rates, and smooth operation

    • An example of a centrifugal pump commonly used in chemical processes is the ANSI pump

  • Answered by AI
  • Q3. How you came to know whats the main reason getting belt off centered.

I applied via Walk-in

Interview Questionnaire 

3 Questions

  • Q1. What is near miss
  • Ans. 

    A near miss is an unplanned event that could have resulted in injury, damage or loss but did not.

    • A near miss is a potential hazard that was avoided due to timely intervention or sheer luck.

    • It is an event that could have resulted in harm or damage but did not.

    • Near misses are often used as a learning opportunity to prevent future incidents.

    • Examples of near misses include a car narrowly avoiding a collision, a worker almo...

  • Answered by AI
  • Q2. What environment compliance you do
  • Ans. 

    We ensure compliance with all environmental regulations and laws.

    • Regularly review and update environmental policies and procedures

    • Conduct regular audits to ensure compliance with regulations

    • Train employees on proper environmental practices

    • Implement waste reduction and recycling programs

    • Maintain records and documentation to demonstrate compliance

    • Collaborate with regulatory agencies to stay up-to-date on changes in regul

  • Answered by AI
  • Q3. How much you can expect

Interview Preparation Tips

Interview preparation tips for other job seekers - It's good but negotiable

Skills evaluated in this interview

I applied via Approached by Company and was interviewed in Jan 2022. There were 2 interview rounds.

Interview Preparation Tips

Topics to prepare for Reliance Power Maintenance Manager interview:
  • Engineering
  • Menchincal
Interview preparation tips for other job seekers - Good luck for me I am afjal khan
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.

Round 1 - Technical 

(3 Questions)

  • Q1. Capability curve of Generator
  • Ans. 

    Capability curve of a generator shows the relationship between the electrical output and mechanical input of the generator.

    • The capability curve is a graph that shows the maximum electrical output a generator can produce at different mechanical input levels.

    • It helps in determining the operating limits of the generator and ensures it is not overloaded.

    • The curve typically shows the maximum power output, rated power output...

  • Answered by AI
  • Q2. All Protection of Generator
  • Ans. 

    All protection of a generator is essential to ensure its safe and efficient operation.

    • Overcurrent protection to prevent damage from excessive current flow

    • Overvoltage protection to safeguard against voltage spikes

    • Underfrequency protection to prevent damage during frequency deviations

    • Reverse power protection to prevent generator from acting as a motor

    • Earth fault protection to detect ground faults and protect equipment

    • Tem...

  • Answered by AI
  • Q3. Transformers testing
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
-

I appeared for an interview before May 2023.

NTPC-Sail Power Company Interview FAQs

How many rounds are there in NTPC-Sail Power Company Electrical Maintenance Supervisor interview?
NTPC-Sail Power Company interview process usually has 2 rounds. The most common rounds in the NTPC-Sail Power Company interview process are Technical and HR.
What are the top questions asked in NTPC-Sail Power Company Electrical Maintenance Supervisor interview?

Some of the top questions asked at the NTPC-Sail Power Company Electrical Maintenance Supervisor interview -

  1. Why Earthing use in electrical equipments? Difference between 3 Phase 1 phase e...read more
  2. Mustter trip coil cod...read more
  3. Generator protection type realy A...read more

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NTPC-Sail Power Company Electrical Maintenance Supervisor Interview Process

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NTPC-Sail Power Company Electrical Maintenance Supervisor Reviews and Ratings

based on 1 review

4.0/5

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5.0

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3.0

Work-life balance

2.0

Salary

2.0

Job security

5.0

Company culture

2.0

Promotions

4.0

Work satisfaction

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