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Bharat Aluminium Company (BALCO) Electrical Engineer Interview Questions and Answers

Updated 24 Nov 2024

Bharat Aluminium Company (BALCO) Electrical Engineer Interview Experiences

2 interviews found

Interview Questionnaire 

4 Questions

  • Q1. Cable tray
  • Q2. HT motors
  • Q3. Air blast circuit breakers
  • Q4. VFD
Interview experience
4
Good
Difficulty level
Hard
Process Duration
6-8 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Nov 2022. 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 tips
Round 2 - Technical 

(2 Questions)

  • Q1. Filed related questions
  • Q2. Past experience and future planning
Round 3 - HR 

(1 Question)

  • Q1. Last plant salary

Electrical Engineer Interview Questions Asked at Other Companies

Q1. What is the difference between Switch gear & Circuit Breakers ... read more
Q2. What is ATS, transformer maintenance procedure, protection of tra ... read more
asked in Tata Steel
Q3. 1.what is composite error and ratio error in current transformer?
Q4. 1. Power factor of transformer 2. types of DC machine 3. Working ... read more
Q5. How many types of transformer according to voltage transfer

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected
Round 1 - Aptitude Test 

Apti,core subject in engineering

Round 2 - Technical 

(1 Question)

  • Q1. Basic HR ques,Core sub,project , vocational training
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Dol and star delta wiring scheme
  • Ans. 

    DOL (Direct-On-Line) and star delta are two different wiring schemes used in electrical engineering for starting induction motors.

    • DOL wiring directly connects the motor to the power supply for starting, while star delta wiring initially starts the motor in star configuration and then switches to delta configuration for running.

    • DOL wiring is simpler and cheaper but causes high starting current, while star delta wiring r...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident

I applied via Approached by Company and was interviewed in Jul 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 - Technical 

(2 Questions)

  • Q1. I am working from Grid sub station . Transformer... CT PT CVT EARTHING PTW
  • Q2. All about 132 kv Gss

Interview Preparation Tips

Interview preparation tips for other job seekers - Dear sir ,
I am Diploma Holder in Electrical Engineer
With Experience in 132kv Gss in 6.5 years.
Currently in adani Transmission last 4.3 years.
I am working from scada operating system.

I applied via Newspaper Ad and was interviewed before Apr 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Group Discussion 

Hard work versus smart work.

Round 3 - Technical 

(3 Questions)

  • Q1. Why power plug earth wire is bigger in size?
  • Ans. 

    The power plug earth wire is bigger in size to ensure safety and prevent electrical shocks.

    • The earth wire provides a path for the current to flow in case of a fault or short circuit.

    • A larger wire size reduces resistance and allows for the safe dissipation of excess current.

    • It helps to protect individuals and equipment from electric shock hazards.

    • The earth wire is connected to the ground, which acts as a reference point...

  • Answered by AI
  • Q2. Which conductor of same size will take larger current Al or Cu?
  • Ans. 

    Copper (Cu) conductor will take larger current than Aluminum (Al) conductor of the same size.

    • Copper has a higher electrical conductivity than Aluminum.

    • Copper has a lower resistivity than Aluminum.

    • Copper has better thermal conductivity than Aluminum.

    • Copper is more commonly used in high-current applications.

    • Aluminum is often used in overhead power transmission lines due to its lighter weight.

  • Answered by AI
  • Q3. What is pulse width modulation in VFD?
  • Ans. 

    Pulse width modulation (PWM) is a technique used in VFD to control the speed of the motor by adjusting the width of the pulses of voltage supplied to the motor.

    • PWM is a method of controlling the amount of power delivered to a load without changing the voltage level.

    • In VFD, PWM is used to control the speed of the motor by varying the width of the pulses of voltage supplied to the motor.

    • The width of the pulses is control...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Basic knowledge of your engineering subject should be good for clearing any interview.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(5 Questions)

  • Q1. Tranformar testing
  • Q2. HT.LTBreaker testing and maintenance
  • Q3. HT LT motar testing and maintenance
  • Q4. CT testing and maintenance
  • Q5. PT testing and maintenance

Interview Preparation Tips

Interview preparation tips for other job seekers - Junior Engineer electrical Engineer 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 in Nov 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all tips
Round 2 - Technical 

(4 Questions)

  • Q1. 1.What is the input value of LT panel?
  • Ans. 

    The input value of an LT panel is the electrical power supply provided to the panel.

    • The input value of an LT panel is typically the voltage and current supplied by the electrical utility.

    • It can be AC (alternating current) or DC (direct current) depending on the application.

    • The input value may vary depending on the specific requirements of the electrical system.

    • For example, in a residential building, the input value of ...

  • Answered by AI
  • Q2. 2.What is the full form of PPE 's?
  • Ans. 

    PPE stands for Personal Protective Equipment.

    • PPE is equipment worn to minimize exposure to hazards that may cause serious workplace injuries or illnesses.

    • Examples of PPE include safety glasses, gloves, hard hats, respirators, and earplugs.

    • Employers are responsible for providing PPE to their employees and ensuring that it is properly used and maintained.

    • Employees must also be trained on how to properly use and care for

  • Answered by AI
  • Q3. Personal protective equipments
  • Q4. 3.Resistance are measured in
  • Ans. 

    Resistance is measured in ohms.

    • Resistance is a property of an electrical component or material that opposes the flow of electric current.

    • The unit of measurement for resistance is the ohm (Ω).

    • Resistance can be measured using a multimeter or an ohmmeter.

    • For example, a resistor with a resistance value of 100 ohms would be written as 100Ω.

  • Answered by AI
Round 3 - Assignment 

Work should be completely done in given time

Interview Preparation Tips

Interview preparation tips for other job seekers - 1.Try your level best ,until you get success in life.
2.Success is not based on luck, based on Hardworking which you learnt from failure.

I applied via Naukri.com and was interviewed in Nov 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Double-check your resume for any spelling mistakes. The recruiter may consider spelling mistakes as careless behavior or poor communication skills.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Related to work done in my current organisation, plc programming, instrumentation work related like RTD & thermocouple , electrical machines, transformers , motor and VVVF drives .
  • Q2. Vvvf drives working , siemens plc .
Round 3 - HR 

(1 Question)

  • Q1. Background and family related.

Interview Preparation Tips

Topics to prepare for TRL Krosaki Refractories Manager – Electrical interview:
  • Plc and drives
  • Soft starter
Interview preparation tips for other job seekers - Be confident and sure, interview level in not too tough.

I applied via Walk-in and was interviewed in Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Electrical Maintainace related?
  • Q2. Electrical Project related?

Interview Preparation Tips

Interview preparation tips for other job seekers - Mot

Bharat Aluminium Company (BALCO) Interview FAQs

How many rounds are there in Bharat Aluminium Company (BALCO) Electrical Engineer interview?
Bharat Aluminium Company (BALCO) interview process usually has 3 rounds. The most common rounds in the Bharat Aluminium Company (BALCO) interview process are Resume Shortlist, Technical and HR.
What are the top questions asked in Bharat Aluminium Company (BALCO) Electrical Engineer interview?

Some of the top questions asked at the Bharat Aluminium Company (BALCO) Electrical Engineer interview -

  1. Past experience and future plann...read more
  2. Air blast circuit breake...read more
  3. Filed related questi...read more

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Bharat Aluminium Company (BALCO) Electrical Engineer Interview Process

based on 1 interview

Interview experience

4
  
Good
View more
Bharat Aluminium Company (BALCO) Electrical Engineer Salary
based on 5 salaries
₹1 L/yr - ₹9 L/yr
27% more than the average Electrical Engineer Salary in India
View more details

Bharat Aluminium Company (BALCO) Electrical Engineer Reviews and Ratings

based on 2 reviews

5.0/5

Rating in categories

5.0

Skill development

5.0

Work-life balance

5.0

Salary

5.0

Job security

5.0

Company culture

5.0

Promotions

5.0

Work satisfaction

Explore 2 Reviews and Ratings
Assistant Manager
196 salaries
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₹5.5 L/yr - ₹15 L/yr

Associate Manager
139 salaries
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₹6.5 L/yr - ₹20 L/yr

Deputy Manager
60 salaries
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₹10 L/yr - ₹26 L/yr

Manager
44 salaries
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₹12 L/yr - ₹41 L/yr

Shift Incharge
24 salaries
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₹2 L/yr - ₹8.9 L/yr

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