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Mahalaxmi TMT Electrical Engineer Interview Questions, Process, and Tips

Updated 10 Feb 2021

Mahalaxmi TMT Electrical Engineer Interview Experiences

1 interview found

Interview Questionnaire 

10 Questions

  • Q1. What is induction motor
  • Ans. 

    An induction motor is an AC electric motor in which power is supplied to the rotor by electromagnetic induction.

    • Induction motors are widely used in various applications, including industrial machinery, household appliances, and transportation systems.

    • They work based on the principle of electromagnetic induction, where a rotating magnetic field is created by the stator winding, inducing current in the rotor.

    • The rotor of...

  • Answered by AI
  • Q2. Why stator use for induction motor
  • Ans. 

    The stator is used in an induction motor to generate a rotating magnetic field.

    • The stator consists of a set of windings that are connected to an AC power source.

    • When the AC power is applied, the stator windings create a rotating magnetic field.

    • This rotating magnetic field induces currents in the rotor, which in turn creates a torque and causes the rotor to rotate.

    • The stator windings are typically made of copper or alum...

  • Answered by AI
  • Q3. What is the working principle of transformer
  • Ans. 

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

    • Transformers consist of two or more coils of wire called windings.

    • When an alternating current (AC) flows through the primary winding, it creates a changing magnetic field.

    • This changing magnetic field induces a voltage in the secondary winding, which is connected to the load.

    • The ratio of the number ...

  • Answered by AI
  • Q4. How many types of transformer according to voltage transfer
  • Ans. 

    There are two types of transformers according to voltage transfer: step-up transformers and step-down transformers.

    • Step-up transformers increase the voltage from the primary winding to the secondary winding.

    • Step-down transformers decrease the voltage from the primary winding to the secondary winding.

    • Step-up transformers are used in power transmission to increase voltage for long-distance transmission.

    • Step-down transfor...

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

    A relay is an electrically operated switch that uses an electromagnet to mechanically control the switching action.

    • Relays are commonly used in electrical systems to control high power circuits with low power signals.

    • They consist of a coil, an armature, and one or more sets of contacts.

    • When the coil is energized, the armature is attracted and the contacts are closed or opened, depending on the relay type.

    • Relays can be u...

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

    A contactor is an electrical device used for switching an electrical circuit on or off.

    • Contactor is used to control the flow of electricity in a circuit.

    • It consists of a coil, contacts, and an enclosure.

    • When the coil is energized, the contacts close and allow current to flow.

    • Contactor is commonly used in motor control applications.

    • Examples of contactor include magnetic contactor and air conditioning contactor.

  • Answered by AI
  • Q7. What is different b/w mpcb & mcb
  • Ans. 

    MPCB and MCB are both circuit protection devices, but they differ in terms of their applications and trip characteristics.

    • MCB stands for Miniature Circuit Breaker, while MPCB stands for Motor Protection Circuit Breaker.

    • MCBs are primarily used for residential and commercial applications, while MPCBs are specifically designed for motor protection in industrial settings.

    • MCBs have a fixed trip current rating and are typica...

  • Answered by AI
  • Q8. What is elcb
  • Ans. 

    ELCB stands for Earth Leakage Circuit Breaker. It is a safety device used to protect electrical circuits from electric shock.

    • ELCB is designed to detect small leakage currents that may occur due to insulation failure or faulty wiring.

    • When an ELCB detects a leakage current, it quickly cuts off the power supply to prevent electric shock.

    • ELCBs are commonly used in homes, offices, and industries to ensure electrical safety.

    • ...

  • Answered by AI
  • Q9. How many types of earthing
  • Ans. 

    There are several types of earthing used in electrical engineering.

    • The most common types of earthing are:

    • - TN-S system: separate neutral and protective earth

    • - TN-C system: combined neutral and protective earth

    • - TN-C-S system: combination of TN-S and TN-C systems

    • - TT system: separate earth for each electrical installation

    • - IT system: no direct connection to earth, relies on insulation monitoring

    • Other types include:

    • - TN-...

  • Answered by AI
  • Q10. What is different between neutral and earth
  • Ans. 

    Neutral is a current-carrying conductor that completes an electrical circuit, while earth is a safety grounding conductor.

    • Neutral carries current back to the source in a balanced electrical system.

    • Earth is a safety measure to prevent electric shock and protect against electrical faults.

    • Neutral is typically connected to the center tap of a transformer, while earth is connected to the ground.

    • Neutral is part of the electr...

  • Answered by AI

Skills evaluated in this interview

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
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in May 2023. 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 Resume tips
Round 2 - Technical 

(5 Questions)

  • Q1. Electrical materials
  • Q2. Power system protection
  • Q3. Electrical energy system
  • Q4. High voltage direct current
  • Q5. Electrical control system
Round 3 - Technical 

(1 Question)

  • Q1. Electrical management

Interview Preparation Tips

Interview preparation tips for other job seekers - Yes
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 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
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Do not use an unprofessional email address such as cool_boy@email.com. It shows a lack of professionalism by the candidate.
View all Resume tips
Round 2 - Aptitude Test 

Aptitude quite difficult and technical mcq round

Round 3 - Technical 

(2 Questions)

  • Q1. Simple question related electrical machine
  • Q2. Internship and project related question
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Mahalaxmi TMT Interview FAQs

What are the top questions asked in Mahalaxmi TMT Electrical Engineer interview?

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  1. How many types of transformer according to voltage trans...read more
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