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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 Resume 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 Resume 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 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 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 Resume 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
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Jul 2024. There was 1 interview round.

Round 1 - Technical 

(5 Questions)

  • Q1. What is step up transformer
  • Ans. 

    A step up transformer is a type of transformer that increases the voltage level from the input side to the output side.

    • Consists of more turns on the secondary coil than the primary coil

    • Used to increase voltage levels for long distance power transmission

    • Commonly found in power distribution systems and electrical grids

  • Answered by AI
  • Q2. What is distribution transformer
  • Ans. 

    A distribution transformer is a device used to step down high voltage electricity to a lower voltage suitable for use in homes and businesses.

    • Converts high voltage electricity from power lines to lower voltage for distribution

    • Commonly used in electrical distribution systems

    • Helps reduce voltage for safe use in homes and businesses

    • Can be mounted on poles or placed on the ground

    • Examples: pole-mounted distribution transfor

  • Answered by AI
  • Q3. What is the altenator
  • Ans. 

    An alternator is a device that converts mechanical energy into electrical energy in the form of alternating current.

    • An alternator is commonly used in vehicles to charge the battery and power the electrical system.

    • It consists of a rotor, stator, diode rectifier, and voltage regulator.

    • Alternators produce alternating current (AC) which is then converted to direct current (DC) for use in the vehicle.

    • They are more efficient...

  • Answered by AI
  • Q4. What is synonyms machine
  • Ans. 

    A synonyms machine is a tool or software that helps find alternative words with similar meanings for a given word.

    • A synonyms machine can be a thesaurus or a feature in word processing software.

    • It helps writers and speakers find the right word to convey their message effectively.

    • Examples include online thesauruses like Thesaurus.com or built-in thesaurus in Microsoft Word.

  • Answered by AI
  • Q5. What is hysteresis motor
  • Ans. 

    A hysteresis motor is a type of synchronous motor that operates based on the hysteresis effect in magnetic materials.

    • Hysteresis motors have a rotor made of a magnetic material with high hysteresis, such as cobalt steel.

    • They do not require a separate DC excitation like other synchronous motors.

    • Hysteresis motors are known for their smooth operation and low noise levels.

    • They are commonly used in applications where precise...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Answer
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed before Jan 2024.

Round 1 - Technical 

(4 Questions)

  • Q1. Electrical and electronics engineering diploma
  • Q2. Yes
  • Q3. Diploma electrical and electronics engineering
  • Q4.  electrical work maintenance
Round 2 - Technical 

(2 Questions)

  • Q1. Maintenance work
  • Q2. Electrical electronics
Interview experience
5
Excellent
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. How are home load of power plant received
  • Ans. 

    Home load of a power plant is received through a distribution network.

    • Home load is received from the power plant through a distribution network.

    • The power plant generates electricity and sends it to a substation.

    • The substation then distributes the electricity to homes through power lines.

    • The distribution network ensures that the electricity reaches each home efficiently.

    • Examples of distribution networks include overhead

  • Answered by AI
  • Q2. What is black out condition?
  • Ans. 

    A blackout condition refers to a complete loss of electrical power in a specific area or across a larger region.

    • Blackouts can be caused by various factors such as equipment failure, severe weather conditions, or intentional power cuts.

    • During a blackout, all electrical devices and systems dependent on electricity cease to function.

    • Blackouts can last for a few seconds, minutes, hours, or even days depending on the cause ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - It best opportunity provide in the jobs and make it features on any person
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed in Jan 2023. There were 2 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 Resume tips
Round 2 - Technical 

(3 Questions)

  • Q1. Basic Eletrical question
  • Q2. Electrical Machine and RTU panel
  • Q3. Solar system question

Interview Preparation Tips

Topics to prepare for Jindal Steel and Power Electrical Engineer interview:
  • Basic Electrical
Interview preparation tips for other job seekers - Experience in ABB RTU560 Erection and Commissioning, solar system,Substation automation maintenance. Etc
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Walk-in and was interviewed in Jan 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Mathematics,reasoning,science

Round 2 - Technical 

(4 Questions)

  • Q1. Machine,network,electronics
  • Q2. Logic gates, binary code
  • Q3. What is working pricniple of induction motor?
  • Ans. 

    An induction motor works on the principle of electromagnetic induction to generate rotating magnetic fields.

    • Induction motor has a stator with a set of windings that are connected to an AC power source.

    • When AC current flows through the stator windings, it creates a rotating magnetic field.

    • This rotating magnetic field induces current in the rotor windings, causing the rotor to rotate.

    • The speed of the rotor rotation is sl...

  • Answered by AI
  • Q4. Symbol of all logic gates??
  • Ans. 

    The symbols of logic gates include AND gate (&), OR gate (|), NOT gate (!), XOR gate (^), NAND gate (|), NOR gate (&), and XNOR gate (=).

    • AND gate symbol: &

    • OR gate symbol: |

    • NOT gate symbol: !

    • XOR gate symbol: ^

    • NAND gate symbol: |

    • NOR gate symbol: &

    • XNOR gate symbol: =

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Jindal Steel and Power Electrical Engineer interview:
  • Work and time
  • Profit and loss
  • Direction,coding decoding
  • Logic gate
  • Trasistor
  • Binary code

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
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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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