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Nuclear Power Corporation of India Electrical Supervisor Interview Questions and Answers

Updated 13 Nov 2021

Nuclear Power Corporation of India Electrical Supervisor Interview Experiences

1 interview found

I applied via LinkedIn and was interviewed in May 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. How Electric motor protection?
  • 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 maintenanc

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview conduct by the sce sir

Interview questions from similar companies

Interview Questionnaire 

1 Question

  • Q1. Power system

I applied via Referral and was interviewed before Jul 2021. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. They will ask for your previous job profile and basic of electrical. Not much more theoretical, major part is practical

Interview Preparation Tips

Interview preparation tips for other job seekers - If you have a experience in same field you will able to handle questions easi

Interview Questionnaire 

1 Question

  • Q1. Basic plc related

Interview Preparation Tips

Interview preparation tips for other job seekers - Igbt related, transformer,motor, and previous experience.

I applied via Naukri.com and was interviewed before Mar 2021. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Electrical Equipment testing , and relay testing.

Interview Preparation Tips

Interview preparation tips for other job seekers - Electrical engineering and testing.
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Jan 2023. There was 1 interview round.

Round 1 - Technical 

(4 Questions)

  • Q1. Type of Excitation system in generator.
  • Ans. 

    The type of excitation system in a generator determines how the generator is powered and controlled.

    • There are mainly two types of excitation systems: static excitation system and brushless excitation system.

    • Static excitation systems use a separate DC power source to provide the field current to the generator.

    • Brushless excitation systems use the generator's own output to power the field winding.

    • Each type of excitation s...

  • Answered by AI
  • Q2. How Buchholz Relay operate.
  • Ans. 

    Buchholz Relay is a protective device used in oil-filled transformers to detect faults such as internal arcing or overheating.

    • Monitors oil flow in transformer

    • Detects faults like internal arcing or overheating

    • Triggers alarm or trips circuit if fault detected

  • Answered by AI
  • Q3. Boiler Trip Condition
  • Q4. Transformer losses

I appeared for an interview in Nov 2022.

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 - Aptitude Test 

Simple Question in mathe
And all basic math problem

Round 3 - Technical 

(3 Questions)

  • Q1. Electrical machine, power system, basis electrical And all basis consept in electrical
  • Q2.  General knowledge and general science, and current affairs, And hindi relatore question Basic type
  • Q3. All compitetive exam pattern question Basic knowledge like Reasoning, math, hindi, computer Basic knowledge
Round 4 - One-on-one 

(1 Question)

  • Q1. Duoehk udopk jgduog ifdui ifdyi ghk Tddj lfvm

Interview Preparation Tips

Interview preparation tips for other job seekers - Please get me a job please🙏
I am best person sir

I applied via Company Website and was interviewed in Feb 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 tips
Round 2 - HR 

(4 Questions)

  • Q1. Share details of your previous job.
  • Q2. What are your salary expectations?
  • Q3. What is your family background?
  • Q4. Tell me about yourself.

Interview Preparation Tips

Topics to prepare for Wind World Electrical Engineer interview:
  • Generators
Interview preparation tips for other job seekers - Good experience for this interview

I applied via Naukri.com and was interviewed in Dec 2020. There were 4 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. What is function of vcb , sf6 , ct ,pt ,la ?
  • Ans. 

    VCB, SF6, CT, PT, LA are all electrical equipment used in power systems.

    • VCB stands for Vacuum Circuit Breaker and is used for switching and protection of electrical power systems.

    • SF6 is a gas used as an insulating medium in high voltage electrical equipment such as circuit breakers, switchgear, and transformers.

    • CT stands for Current Transformer and is used to measure electrical current in power systems.

    • PT stands for Po...

  • Answered by AI
  • Q2. Type of conductor used in transmission?
  • Ans. 

    Copper and aluminum are commonly used conductors in transmission.

    • Copper is an excellent conductor due to its high electrical conductivity.

    • Aluminum is also widely used as it is lightweight and cost-effective.

    • Other conductors like silver and gold are rarely used due to their high cost.

    • Copper-clad steel conductors are used in specific applications where strength is required.

  • Answered by AI
  • Q3. Different types of test related transformer?
  • Ans. 

    Different types of tests related to transformers include routine tests, type tests, and special tests.

    • Routine tests are performed on every transformer and include measurement of winding resistance, insulation resistance, and voltage ratio.

    • Type tests are performed on a sample transformer to verify its design and include temperature rise test, impulse test, and short-circuit test.

    • Special tests are performed on transforme...

  • Answered by AI
  • Q4. Different types of faults?
  • Ans. 

    Different types of faults refer to the various abnormalities that can occur in an electrical system.

    • Short circuit fault

    • Open circuit fault

    • Ground fault

    • Overvoltage fault

    • Undervoltage fault

    • Overcurrent fault

    • Undercurrent fault

  • Answered by AI
  • Q5. Different types of relay ?
  • Ans. 

    Relays are switches that open and close circuits electromechanically or electronically. There are various types of relays.

    • Electromechanical relays

    • Solid-state relays

    • Reed relays

    • Polarized relays

    • Time-delay relays

    • Overload protection relays

    • Mercury-wetted relays

    • Latching relays

    • Machine tool relays

    • Thermal relays

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Read besic of power system , use V k mehata book

Skills evaluated in this interview

I applied via Walk-in and was interviewed in Feb 2022. There were 3 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Salary discussion, previous company salary Why you leave current organization
  • Q2. Transformer protection system, motor, generator, alternator, basic electronic
  • Q3. WTG Lightening path, Earthing system
  • Q4. Basic electrical, plc, scada

Interview Preparation Tips

Interview preparation tips for other job seekers - Read deeply above mentioned point. Transformer protection system. WTG lightening path. Earthing system.

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₹2.4 L/yr - ₹3.5 L/yr
31% less than the average Electrical Supervisor Salary in India
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