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Jindal Steel and Power Electrical Maintenance Technician Interview Questions, Process, and Tips

Updated 6 Feb 2024

Jindal Steel and Power Electrical Maintenance Technician Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(13 Questions)

  • Q1. What is relay what do work
  • Ans. 

    A relay is an electrical device that acts as a switch to control the flow of current in an electrical circuit.

    • Relays are used to control high-power devices with low-power signals.

    • They consist of an electromagnet and a set of contacts.

    • When the electromagnet is energized, it creates a magnetic field that attracts or releases the contacts, allowing or interrupting the flow of current.

    • Relays are commonly used in industrial...

  • Answered by AI
  • Q2. What is reverse forward draw the control wirring
  • Ans. 

    Reverse forward draw is a control wiring method used in electrical systems to control the direction of rotation of a motor.

    • Reverse forward draw is used to control the direction of rotation of a motor.

    • It involves the use of a forward contactor and a reverse contactor.

    • The control wiring includes connections between the contactors, motor, and power supply.

    • By energizing the forward contactor, the motor rotates in one direc...

  • Answered by AI
  • Q3. What is ac motor
  • Ans. 

    An AC motor is a type of electric motor that operates on alternating current.

    • AC motor stands for Alternating Current motor.

    • It converts electrical energy into mechanical energy.

    • AC motors are commonly used in household appliances, industrial machinery, and vehicles.

    • They are more efficient and require less maintenance compared to DC motors.

    • Examples of AC motors include induction motors, synchronous motors, and brushless m

  • Answered by AI
  • Q4. What is different between ac and dc motor
  • Ans. 

    AC motors and DC motors differ in their power source, construction, speed control, and applications.

    • AC motors run on alternating current, while DC motors run on direct current.

    • AC motors are more commonly used in household appliances, industrial machinery, and electric vehicles.

    • DC motors are often found in battery-powered devices, such as laptops, electric cars, and robots.

    • AC motors have a simpler construction with fewe...

  • Answered by AI
  • Q5. What is. MCB
  • Ans. 

    MCB stands for Miniature Circuit Breaker.

    • MCB is an electrical switch that automatically interrupts the flow of current in an electrical circuit during an overload or short circuit.

    • It is a type of circuit breaker that is commonly used in residential and commercial buildings.

    • MCBs are designed to protect electrical circuits and appliances from damage caused by excessive current.

    • They are compact in size and can be easily i...

  • Answered by AI
  • Q6. What is timer what do work
  • Ans. 

    A timer is a device that measures and controls the passage of time.

    • A timer is used to initiate or stop a process at a specific time or after a specific duration.

    • Timers can be mechanical or electronic.

    • They are commonly used in various applications such as appliances, industrial machinery, and automation systems.

    • Examples of timers include kitchen timers, programmable thermostats, and countdown timers in sports events.

  • Answered by AI
  • Q7. What is VFD
  • Ans. 

    VFD stands for Variable Frequency Drive.

    • VFD is an electronic device used to control the speed and torque of an electric motor.

    • It adjusts the frequency and voltage supplied to the motor, allowing for precise control of motor speed.

    • VFDs are commonly used in industrial applications to save energy, improve motor performance, and enable soft starting and stopping.

    • They are also known as AC drives, adjustable speed drives, or...

  • Answered by AI
  • Q8. What is PLC what do work
  • Ans. 

    PLC stands for Programmable Logic Controller. It is a digital computer used for automation of electromechanical processes.

    • PLC is a specialized computer designed to control industrial processes.

    • It uses a programmable memory to store instructions and execute them in a sequential manner.

    • PLCs are commonly used in manufacturing plants, power stations, and other industrial settings.

    • They can be programmed to control various d...

  • Answered by AI
  • Q9. What is ac motor
  • Ans. 

    An AC motor is a type of electric motor that operates on alternating current.

    • AC motor stands for alternating current motor.

    • It converts electrical energy into mechanical energy.

    • AC motors are commonly used in household appliances, industrial machinery, and vehicles.

    • They are more efficient and require less maintenance compared to DC motors.

    • Examples of AC motors include induction motors, synchronous motors, and brushless m

  • Answered by AI
  • Q10. 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 to convert AC voltage to DC voltage.

    • They are made up of diodes, which allow current to flow in only one direction.

    • Rectifiers can be half-wave or full-wave, depending on the number of diodes used.

    • Examples of rectifiers include bridge rectifiers, vacuum tube rectifiers, and soli

  • Answered by AI
  • Q11. What is. diode
  • Ans. 

    A diode is an electronic component that allows current to flow in one direction and blocks it in the opposite direction.

    • Diodes are commonly used in rectifier circuits to convert AC to DC.

    • They have two terminals: an anode (positive) and a cathode (negative).

    • When the voltage across a diode is forward-biased, it allows current to flow.

    • When the voltage is reverse-biased, it blocks the current.

    • Diodes are often used for volt...

  • Answered by AI
  • Q12. What is plc working
  • Ans. 

    PLC stands for Programmable Logic Controller. It is a digital computer used for automation of electromechanical processes.

    • PLC is used to control and monitor industrial processes.

    • It is programmed using ladder logic or other programming languages.

    • PLCs are commonly used in manufacturing, power plants, and transportation systems.

    • They can be used to control motors, valves, sensors, and other devices.

    • PLCs provide real-time m...

  • Answered by AI
  • Q13. What is timer
  • Ans. 

    A timer is a device or software that measures and controls the passage of time.

    • A timer can be a physical device with buttons and a display, or it can be a software program on a computer or smartphone.

    • Timers are commonly used in various applications such as cooking, sports, and industrial processes.

    • They can be set to count down from a specific time or count up from zero.

    • Some timers have additional features like alarms, ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - I am raja kushwaha I have five years experience I do diploma electrical engineering

Skills evaluated in this interview

Interview questions from similar companies

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:
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 - Technical 

(2 Questions)

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

(1 Question)

  • Q1. Last plant salary
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 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 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
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
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Oct 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 

(2 Questions)

  • Q1. What is Dc current ?
  • Ans. 

    DC current is the flow of electric charge in a constant direction.

    • DC stands for Direct Current.

    • It is the type of electric current that flows in a single direction.

    • DC current is produced by sources such as batteries, fuel cells, and solar cells.

    • It is commonly used in electronic devices and power transmission systems.

    • Unlike AC (Alternating Current), DC current does not change its direction over time.

  • Answered by AI
  • Q2. What is Dc Current?
  • Ans. 

    DC current is the flow of electric charge in a single direction.

    • DC stands for Direct Current

    • It is produced by sources such as batteries, fuel cells, and solar cells

    • DC current is used in electronic devices such as computers, televisions, and radios

    • DC current is measured in amperes (A)

  • Answered by AI
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

I applied via Campus Placement and was interviewed in May 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 - Aptitude Test 

Reasoning and aptitude with technical

Round 3 - One-on-one 

(2 Questions)

  • Q1. Motor and transformer related questions
  • Q2. Tell me about yourself

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on induction motors concept and analysis part.

Jindal Steel and Power Interview FAQs

How many rounds are there in Jindal Steel and Power Electrical Maintenance Technician interview?
Jindal Steel and Power interview process usually has 1 rounds. The most common rounds in the Jindal Steel and Power interview process are One-on-one Round.
What are the top questions asked in Jindal Steel and Power Electrical Maintenance Technician interview?

Some of the top questions asked at the Jindal Steel and Power Electrical Maintenance Technician interview -

  1. What is reverse forward draw the control wirr...read more
  2. What is different between ac and dc mo...read more
  3. What is relay what do w...read more

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Jindal Steel and Power Electrical Maintenance Technician Interview Process

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Jindal Steel and Power Electrical Maintenance Technician Salary
based on 4 salaries
₹2.5 L/yr - ₹5.6 L/yr
54% more than the average Electrical Maintenance Technician Salary in India
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