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Bharat Aluminium Company (BALCO) Mechanical Shift Engineer Interview Questions and Answers

Updated 29 Jun 2021

Bharat Aluminium Company (BALCO) Mechanical Shift Engineer Interview Experiences

1 interview found

I applied via Recruitment Consultant and was interviewed in Dec 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. There are many questions some during were asked by interviewers during hr and technical round.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident during interview ,
And try to give your 100% infront of interviewers .
Don't be nervous ,
Don't be confuse , If you do not know anything say plainly that I don't know it.

Interview questions from similar companies

Interview Questionnaire 

6 Questions

  • Q1. 1.what is composite error and ratio error in current transformer?
  • Ans. 

    Composite error and ratio error are two types of errors in current transformers.

    • Composite error is the combination of ratio error and phase angle error in a current transformer.

    • Ratio error is the difference between the actual turns ratio and the specified turns ratio of a current transformer.

    • Phase angle error is the angular difference between the primary and secondary currents of a current transformer.

    • Composite error a...

  • Answered by AI
  • Q2. 2.Draw ckt diagram of a.c drive.
  • Ans. 

    An AC drive circuit diagram controls the speed of an AC motor by varying the frequency and voltage of the power supplied to it.

    • An AC drive consists of a rectifier, DC link, inverter, and control circuitry.

    • The rectifier converts AC power to DC power, which is stored in the DC link.

    • The inverter converts the DC power back to AC power with variable frequency and voltage.

    • The control circuitry adjusts the frequency and volta...

  • Answered by AI
  • Q3. 3.Draw single line diagram of distribution system with proper secification.
  • Ans. 

    A single line diagram of a distribution system is required with proper specifications.

    • The diagram should show the flow of power from the source to the load

    • It should include all components such as transformers, switchgear, and cables

    • The specifications should include voltage levels, power ratings, and protection devices

    • The diagram should follow standard symbols and conventions

    • Example: A 11 kV distribution system with a 5

  • Answered by AI
  • Q4. 4.Why do the dewpoint test in transformer?
  • Ans. 

    Dewpoint test is done in transformer to check the moisture content in the insulation oil.

    • Moisture in insulation oil can cause breakdown of transformer insulation

    • Dewpoint test helps to determine the moisture content in the oil

    • It is a preventive maintenance measure to avoid transformer failure

    • The test involves cooling a mirror until dew forms on it, and measuring the temperature at which dew forms

  • Answered by AI
  • Q5. 5.What is the difference between power transformer and distribution transformer?
  • Ans. 

    Power transformers are used in transmission systems to step up or down voltage, while distribution transformers are used in distribution systems to step down voltage.

    • Power transformers are used in high voltage transmission systems to step up or down voltage for long distance transmission.

    • Distribution transformers are used in low voltage distribution systems to step down voltage for local distribution.

    • Power transformers...

  • Answered by AI
  • Q6. 6.How to work Buchholz relay in transformer.
  • Ans. 

    Buchholz relay is used to protect transformers from faults by detecting gas and oil flow abnormalities.

    • Buchholz relay is installed in the pipe connecting the transformer tank and conservator tank.

    • It operates based on the principle that faults in the transformer generate gases and cause oil flow disturbances.

    • When gas or oil flow abnormalities occur, the relay trips and sends a signal to the control panel to isolate the ...

  • Answered by AI

Interview Preparation Tips

Round: Resume Shortlist
Experience: My resume was shortlisted from naukri.com.

I applied via Approached by Company and was interviewed before Sep 2021. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Electrical technical
  • Q2. Motor maintance, pull card ,zss,all light connection etc

Interview Preparation Tips

Interview preparation tips for other job seekers - Electrical technician working jindal Steel and Power Dongamauha

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

I applied via Walk-in and was interviewed in May 2022. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. What is capacity your furnace
  • Ans. 

    The capacity of a furnace refers to its heating output, typically measured in BTUs or tons.

    • Furnace capacity is determined by the amount of heat it can produce.

    • It is usually measured in BTUs (British Thermal Units) or tons.

    • Higher capacity furnaces can produce more heat and are suitable for larger spaces.

    • For example, a furnace with a capacity of 80,000 BTUs can heat a larger area compared to one with a capacity of 40,000

  • Answered by AI
  • Q2. What is drive components in CCM department
  • Ans. 

    Drive components in CCM department are the parts that enable the motor to function properly.

    • Drive components include motors, gears, belts, and pulleys.

    • They work together to transfer power from the motor to the machine.

    • The components must be properly sized and aligned to ensure efficient operation.

    • Examples of machines that use drive components include conveyor belts, pumps, and fans.

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Steel Authority Of India Electrical Engineer interview:
  • Electrical Engineering
Interview preparation tips for other job seekers - Good working, hard working, honestly only fouce my dream
Interview experience
3
Average
Difficulty level
Hard
Process Duration
More than 8 weeks
Result
Not Selected
Round 1 - Technical 

(1 Question)

  • Q1. Electrical control system and power control circuit
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
Selected Selected
Round 1 - Technical 

(1 Question)

  • Q1. Transformer generator
Round 2 - Technical 

(1 Question)

  • Q1. Boiler cooling tower esp

I applied via Campus Placement and was interviewed in Apr 2022. There were 4 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 - Aptitude Test 
Round 3 - Aptitude Test 
Round 4 - Technical 

(1 Question)

  • Q1. Electrical machines and Basic electrical

Interview Preparation Tips

Interview preparation tips for other job seekers - My dreem job is hindalco industry work as electrical engineer
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is current
  • Ans. 

    Current is the flow of electric charge in a circuit.

    • Current is measured in Amperes (A)

    • It is the rate of flow of electric charge

    • Current flows from high potential to low potential

    • In a series circuit, the current remains the same throughout

  • Answered by AI
  • Q2. What is residence
  • Ans. 

    Residence refers to a person's primary place of living.

    • Residence is where a person lives on a permanent or long-term basis.

    • It can refer to a house, apartment, or any other type of dwelling.

    • Residence can also refer to a legal status, such as residency in a particular country.

    • It is important for determining things like tax obligations and voting rights.

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
More than 8 weeks
Result
Selected Selected

I applied via Shine and was interviewed in Jan 2024. There were 3 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Generator Protection
  • Q2. Daily Maintenance Procedure
  • Ans. 

    Daily maintenance procedures for electrical engineers ensure optimal performance and safety of electrical systems.

    • Inspecting and testing electrical equipment for any signs of wear or damage

    • Cleaning and lubricating moving parts to prevent friction and overheating

    • Checking and replacing faulty components such as fuses or circuit breakers

    • Calibrating sensors and meters to ensure accurate readings

    • Updating software and firmwa...

  • Answered by AI
Round 2 - One-on-one 

(2 Questions)

  • Q1. Safety Protocols
  • Q2. Technical Knowledge
Round 3 - HR 

(2 Questions)

  • Q1. Salary Discussion
  • Q2. Roles and Responsibilities

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