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Coal India Electrician Interview Questions, Process, and Tips

Updated 27 Apr 2021

Coal India Electrician Interview Experiences

1 interview found

Electrician Interview Questions & Answers

user image Anonymous

posted on 27 Apr 2021

I applied via Walk-in and was interviewed before Apr 2020. There was 1 interview round.

Interview Questionnaire 

4 Questions

  • Q1. What is transformer
  • Ans. 

    A transformer is an electrical device that transfers electrical energy from one circuit to another through electromagnetic induction.

    • Transformers are used to increase or decrease the voltage of an alternating current (AC) power supply.

    • They consist of two coils of wire, known as the primary and secondary coils, which are wrapped around a magnetic core.

    • When an AC voltage is applied to the primary coil, it creates a magne...

  • Answered by AI
  • Q2. And type of breker
  • Ans. 

    The type of breaker used depends on the electrical load and the circuit requirements.

    • The most common types of breakers are standard, AFCI, GFCI, and dual-function.

    • Standard breakers are used for general-purpose circuits.

    • AFCI breakers are used for circuits that power bedrooms and living rooms.

    • GFCI breakers are used for circuits that power bathrooms, kitchens, and outdoor areas.

    • Dual-function breakers combine AFCI and GFCI...

  • Answered by AI
  • Q3. Type of conductor
  • Ans. 

    Conductors are materials that allow electricity to flow through them. There are different types of conductors used in electrical systems.

    • Copper is the most commonly used conductor in electrical wiring

    • Aluminum is also used as a conductor, especially in high voltage power transmission

    • Silver is the best conductor, but it is too expensive for most applications

    • Gold is also a good conductor, but it is even more expensive tha...

  • Answered by AI
  • Q4. Difference of mcb and mccb
  • Ans. 

    MCB is a miniature circuit breaker while MCCB is a molded case circuit breaker.

    • MCB is used for low current applications while MCCB is used for high current applications.

    • MCB is rated up to 100 amps while MCCB can be rated up to 2500 amps.

    • MCCB has adjustable trip settings while MCB does not.

    • MCCB is more expensive than MCB.

    • Examples of MCB brands include Legrand and Schneider while examples of MCCB brands include Siemens a

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - All good

Interview questions from similar companies

Interview Questionnaire 

3 Questions

  • Q1. What is contractor.?
  • Ans. 

    A contractor is a person or company hired to perform a specific task or project for a client.

    • Contractors are often hired for construction projects, electrical work, plumbing, and other specialized tasks.

    • They are typically paid on a project-by-project basis, rather than receiving a salary or hourly wage.

    • Contractors may work independently or as part of a larger company.

    • They are responsible for providing their own tools, ...

  • Answered by AI
  • Q2. What is rectifier.?
  • Ans. 

    A rectifier is an electrical device that converts alternating current (AC) to direct current (DC).

    • Rectifiers are commonly used in power supplies for electronic devices.

    • They can be made using diodes or other semiconductor devices.

    • Rectifiers are essential for many electronic devices to function properly.

    • Examples of rectifiers include bridge rectifiers, half-wave rectifiers, and full-wave rectifiers.

  • Answered by AI
  • Q3. What is vvF...?
  • Ans. 

    vvF is not a recognized term in the field of electrical engineering.

    • vvF is not a standard unit of measurement or abbreviation in the electrical field.

    • It is possible that the interviewer made a mistake or was testing the candidate's ability to admit when they don't know something.

    • The candidate could respond by politely asking for clarification or admitting that they are not familiar with the term.

  • Answered by AI

I applied via Company Website and was interviewed before Nov 2020. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. What is safety define deeply
  • Ans. 

    Safety is the state of being free from harm or danger.

    • Safety involves identifying and assessing potential hazards

    • It requires taking measures to prevent accidents and injuries

    • It involves following established safety protocols and procedures

    • Safety also includes being prepared for emergencies and knowing how to respond

    • Regular training and education on safety practices is crucial

  • Answered by AI
  • Q2. Safety is major parts of a industries because lack of proper safety mangement industries can't be run longer time. in chemicals industries most of safety required for no Accident of fire

Interview Preparation Tips

Interview preparation tips for other job seekers - Basic Electrical questions but deeply asked by interviewers
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
Selected Selected

I was interviewed in Sep 2023.

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 

(1 Question)

  • Q1. Electricals related questions
Round 3 - Technical 

(1 Question)

  • Q1. Lt tension,DG , ACB
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Tell me about yourself
  • Q2. Tell me about your quallification
  • Ans. 

    I am a certified electrician with a diploma in Electrical Engineering and 5 years of hands-on experience.

    • Certified electrician

    • Diploma in Electrical Engineering

    • 5 years of hands-on experience

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - just consistrate in your learning

I applied via Naukri.com and was interviewed before May 2021. There were 2 interview rounds.

Round 1 - Coding Test 
Round 2 - Aptitude Test 

Interview Preparation Tips

Interview preparation tips for other job seekers - I like my job and honesty is best quality in human

I applied via Recruitment Consultant and was interviewed in Oct 2021. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. First introduction second address third qualification ITI technical question.
  • Q2. Please give me job Indian oil corporation limited.

Interview Preparation Tips

Interview preparation tips for other job seekers - Technical question
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Job Fair and was interviewed in May 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 

(2 Questions)

  • Q1. After the initial rounds of candidate selection, every company holds an HR interview round to get to know the potential candidates personally. An HR interview's main aim is to judge the candidates' persona...
  • Q2. Here's how you can pass your HR interview:
Round 3 - Aptitude Test 

Written/Aptitude test: The first round for most of the companies is written round. ...
Technical interview Round: The next round is a technical interview. ...
HR interview round: The HR interview round is the last round where candidates are judged on the basis of their communication skills, soft skills, confidence level, etc.

Interview Preparation Tips

Interview preparation tips for other job seekers - What strengths will you bring to this position? ...
Tell me about a few of the first things you would do in this role. ...
What type of work environment do you prefer? ...
What are your career goals? ...
What salary would you expect for this role? ...
Do you have any questions for us?
Interview experience
1
Bad
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 - Technical 

(2 Questions)

  • Q1. Basic electrical, wiring diagram, motor ,generator, alternator, basic electronic,
  • Q2. Basic electrical, wiring diagram ,motor ,generator,alternator ,power generation
Round 3 - Technical 

(2 Questions)

  • Q1. Basic electrical ,wiring diagram ,motor ,generator, alternator,lighting
  • Q2. Basic electrical ,transformer, motor ,generator, alternator, basic electronic
Round 4 - Assignment 

Motor mantain ,conveyor belt safety device like bss, zss, installation

Interview Preparation Tips

Interview preparation tips for other job seekers - Use of proper PPE , follow the SOP, before working checked the hazard area

I applied via Job Portal and was interviewed before Nov 2021. 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 - Aptitude Test 

Direct through campus placement and group discussion.

Round 3 - Technical 

(2 Questions)

  • Q1. All the studies related concepts were aksed
  • Q2. About COST ACCOUNTING STANDARDS

Interview Preparation Tips

Interview preparation tips for other job seekers - Clear all your attempts of CMA in one go and prepare all the concepts before interview
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Coal India Interview FAQs

What are the top questions asked in Coal India Electrician interview?

Some of the top questions asked at the Coal India Electrician interview -

  1. What is transform...read more
  2. Difference of mcb and m...read more
  3. And type of bre...read more

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Coal India Electrician Salary
based on 4 salaries
₹1 L/yr - ₹2.5 L/yr
33% less than the average Electrician Salary in India
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Coal India Electrician Reviews and Ratings

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4.5/5

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4.0

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3.6

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4.9

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4.2

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