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ArcelorMittal Nippon Steel Diploma Electrical Engineer Interview Questions, Process, and Tips

Updated 3 Dec 2023

Top ArcelorMittal Nippon Steel Diploma Electrical Engineer Interview Questions and Answers

View all 17 questions

ArcelorMittal Nippon Steel Diploma Electrical Engineer Interview Experiences

2 interviews found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
6-8 weeks
Result
-

I applied via Job Portal and was interviewed in Nov 2023. 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 

(17 Questions)

  • Q1. What is turbine
  • Ans. 

    A turbine is a machine that converts the energy from a fluid flow into mechanical energy.

    • Turbines are commonly used in power plants to generate electricity from steam or water flow.

    • There are different types of turbines such as steam turbines, gas turbines, and water turbines.

    • Turbines have blades that are rotated by the fluid flow, causing a shaft to spin and generate power.

    • The mechanical energy produced by turbines can

  • Answered by AI
  • Q2. What is blast furnace
  • Ans. 

    A blast furnace is a type of metallurgical furnace used for smelting to produce industrial metals, generally iron.

    • Used for smelting iron ores to produce iron

    • Consists of a furnace chamber with a stack and tuyeres

    • Operates at high temperatures using coke as fuel

    • Produces molten iron and slag as byproducts

  • Answered by AI
  • Q3. What is transformer
  • Ans. 

    A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.

    • Consists of two coils of wire, known as primary and secondary coils

    • Primary coil is connected to a power source, while secondary coil is connected to the load

    • Works on the principle of electromagnetic induction to change voltage levels

    • Used to step up or step down voltage levels in electrical systems

    • Ex...

  • Answered by AI
  • Q4. Types of transformer
  • Ans. 

    Types of transformers include step-up, step-down, isolation, autotransformer, and distribution transformers.

    • Step-up transformer increases voltage levels

    • Step-down transformer decreases voltage levels

    • Isolation transformer provides electrical isolation between primary and secondary windings

    • Autotransformer has a single winding with multiple taps for different voltage levels

    • Distribution transformer is used to supply power t

  • Answered by AI
  • Q5. Working principle of Transformers
  • Ans. 

    Transformers work on the principle of electromagnetic induction to transfer electrical energy between two or more circuits.

    • Transformers have two coils of wire, known as primary and secondary coils, which are wound around a core made of ferromagnetic material.

    • When an alternating current flows through the primary coil, it creates a changing magnetic field around the coil.

    • This changing magnetic field induces a voltage in ...

  • Answered by AI
  • Q6. What is resistance
  • Ans. 

    Resistance is the opposition to the flow of electric current in a material.

    • Resistance is measured in ohms (Ω).

    • It is caused by collisions between electrons and atoms in a material.

    • Materials with high resistance are insulators, while materials with low resistance are conductors.

    • Resistance can be calculated using Ohm's Law: R = V/I, where R is resistance, V is voltage, and I is current.

  • Answered by AI
  • Q7. What is diode types of diode
  • Ans. 

    Diodes are electronic components that allow current to flow in one direction only. Common types include PN junction diodes, Zener diodes, Schottky diodes, and light-emitting diodes (LEDs).

    • PN junction diodes: Basic diodes that allow current to flow in one direction only.

    • Zener diodes: Diodes that operate in the reverse breakdown region and are used for voltage regulation.

    • Schottky diodes: Diodes with a lower forward volta...

  • Answered by AI
  • Q8. What is power factor
  • Ans. 

    Power factor is a measure of how effectively electrical power is being used in a circuit.

    • Power factor is the ratio of real power (kW) to apparent power (kVA) in an electrical circuit.

    • It indicates how efficiently power is being converted into useful work.

    • A power factor of 1 (or 100%) means all the power is being used effectively, while a power factor of 0 means none of the power is being used efficiently.

    • Power factor ca...

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

    A DC motor is a type of electric motor that runs on direct current electricity, converting electrical energy into mechanical energy.

    • DC motors have a rotating armature and a stationary field magnet

    • They operate based on the principle of Lorentz force

    • Common types include brushed and brushless DC motors

    • DC motors are widely used in various applications such as robotics, electric vehicles, and industrial machinery

  • Answered by AI
  • Q10. Difference between AC and DC motor
  • Ans. 

    AC motors use alternating current and are more commonly used for industrial applications, while DC motors use direct current and are often used in household appliances.

    • AC motors use alternating current, while DC motors use direct current

    • AC motors are more commonly used in industrial applications, while DC motors are often used in household appliances

    • AC motors are generally more efficient and require less maintenance co...

  • Answered by AI
  • Q11. What is electromagnetic field
  • Ans. 

    An electromagnetic field is a physical field produced by electrically charged objects. It affects the behavior of charged objects in the vicinity of the field.

    • Consists of electric and magnetic components

    • Generated by electric charges and currents

    • Can be static or dynamic

    • Used in various applications such as wireless communication and MRI machines

  • Answered by AI
  • Q12. Types of motor and working principles
  • Ans. 

    Types of motors include DC motors, AC motors, synchronous motors, and induction motors. Each type operates based on different principles.

    • DC motors operate using direct current and have a commutator to switch the current direction, examples include brushed and brushless DC motors.

    • AC motors operate using alternating current and include types like synchronous motors and induction motors.

    • Synchronous motors rotate at a cons...

  • Answered by AI
  • Q13. What is V F D
  • Ans. 

    VFD stands for Variable Frequency Drive, a type of motor controller that drives an electric motor by varying the frequency and voltage supplied to the motor.

    • VFDs are used to control the speed and torque of AC motors in various applications.

    • They are commonly used in HVAC systems, industrial pumps, fans, and conveyor systems.

    • VFDs can improve energy efficiency by matching the motor speed to the actual load requirements.

    • Th...

  • Answered by AI
  • Q14. What is earthing
  • Ans. 

    Earthing is the process of connecting electrical equipment to the earth to prevent electric shocks and ensure safety.

    • Earthing provides a path for fault currents to flow safely into the ground.

    • It helps in protecting equipment and individuals from electrical faults.

    • Earthing reduces the risk of fire hazards in electrical systems.

    • Types of earthing include plate earthing, pipe earthing, and rod earthing.

    • Proper earthing is e...

  • Answered by AI
  • Q15. Types of motor and working principle
  • Ans. 

    Types of motors include DC motors, AC motors (induction, synchronous), stepper motors, and servo motors. Each type operates based on different principles.

    • DC motors operate on the principle of Lorentz force, where a current-carrying conductor experiences a force in a magnetic field.

    • AC induction motors work on the principle of electromagnetic induction, where a rotating magnetic field induces current in the rotor.

    • AC sync...

  • Answered by AI
  • Q16. What is contactor
  • Ans. 

    A contactor is an electrical device used to switch an electrical circuit on or off.

    • Contactor is typically used in applications where high current needs to be controlled, such as in industrial machinery.

    • It consists of a coil which when energized creates a magnetic field that pulls in a set of contacts to make or break the circuit.

    • Contactor can be controlled manually or automatically through a control system.

    • Common examp...

  • Answered by AI
  • Q17. What is cooking and crawling
  • Ans. 

    Cooking and crawling are terms used in electrical engineering to describe the movement of a circuit breaker's contacts.

    • Cooking refers to the slow separation of the contacts when the circuit breaker is opened under load.

    • Crawling refers to the movement of the contacts due to the presence of small currents even when the circuit breaker is in the closed position.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - What is motor
What is CT and PT
Types of circuit breaker
What is circuit breaker

I applied via Company Website 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 - One-on-one 

(4 Questions)

  • Q1. Moter start and transformer
  • Q2. Roter ejecter began galindar
  • Q3. Belding machines trolley
  • Q4. Dsl power, eot Caren

Interview Preparation Tips

Interview preparation tips for other job seekers - Please large requirements of electrical engineering for walk interview

Diploma Electrical Engineer Interview Questions Asked at Other Companies

Q1. What is the use of star delta connection in electrical ?
Q2. What Kinds of Cables Are Used for Power Transmissions?
asked in RUNGTA
Q3. Ans- 3 types of motor having in electrical system. A. Synchronous ... read more
Q4. Mention what is the difference between generator and alternator ?
Q5. What is ohms low , ohms low state that current direct proposal to ... read more

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 Naukri.com and was interviewed before Oct 2021. 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. Responsibility,projects handeled work life balance timing for job completion
  • Q2. What qas your role in organisation

Interview Preparation Tips

Interview preparation tips for other job seekers - please be formal add experince from last profile worked
Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement

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 

Easy can crack if u prepare

Round 3 - HR 

(2 Questions)

  • Q1. Basic questions of hr
  • Q2. Why should i hire you

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare , be yourself
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(3 Questions)

  • Q1. Machine transmission distribution
  • Q2. Electric generation
  • Q3. Electric measurement

Interview Preparation Tips

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

I applied via Naukri.com and was interviewed in Dec 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 - HR 

(3 Questions)

  • Q1. Electrical maintainence
  • Q2. Transfomer realated question
  • Q3. Transformer realated
Round 3 - Technical 

(3 Questions)

  • Q1. Motor maintainence realated
  • Q2. Motor working type question
  • Q3. Related to power plant
Round 4 - Aptitude Test 

Realated to electrical maintainence

Interview Preparation Tips

Interview preparation tips for other job seekers - Thermal power plant maintainence work.
Site engineer.
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

I applied via Company Website and was interviewed in Feb 2022. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Current , Resistance, Transformer

Interview Preparation Tips

Interview preparation tips for other job seekers - Electrical , Technical Engineering

ArcelorMittal Nippon Steel Interview FAQs

How many rounds are there in ArcelorMittal Nippon Steel Diploma Electrical Engineer interview?
ArcelorMittal Nippon Steel interview process usually has 2 rounds. The most common rounds in the ArcelorMittal Nippon Steel interview process are Resume Shortlist, One-on-one Round and Technical.
What are the top questions asked in ArcelorMittal Nippon Steel Diploma Electrical Engineer interview?

Some of the top questions asked at the ArcelorMittal Nippon Steel Diploma Electrical Engineer interview -

  1. What is diode types of di...read more
  2. Difference between AC and DC mo...read more
  3. Types of motor and working princip...read more

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