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Larsen & Toubro Group Senior Electrical Engineer Interview Questions and Answers

Updated 8 Sep 2022

Larsen & Toubro Group Senior Electrical Engineer Interview Experiences

1 interview found

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

Round 1 - Technical 

(3 Questions)

  • Q1. HT daily power consumption (90kwh)
  • Ans. 

    HT daily power consumption is 90kwh.

    • HT refers to High Tension power supply.

    • The daily power consumption is 90kwh.

    • This information can be used to calculate the monthly or yearly power consumption.

    • The power consumption may vary depending on the usage and load.

    • Efficient use of power can help reduce the consumption and save costs.

  • Answered by AI
  • Q2. 3phase condenser pump 25hp motor how much amp 44amp
  • Q3. How did to reset Vcb and ACB breaker. First check breaker charge position after on/off and relays condition after reset

Interview Preparation Tips

Topics to prepare for Larsen & Toubro Group Senior Electrical Engineer interview:
  • B.teach E.E.E
Interview preparation tips for other job seekers - I'm working as electrical engineer in sterling & Wilson as Electrical Engineerteam leading role

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Draw a SLD of a Substation
  • Ans. 

    A Single Line Diagram (SLD) of a Substation shows how electrical power is distributed within the substation.

    • Include main components like transformers, circuit breakers, disconnect switches, etc.

    • Show the flow of electricity from the incoming transmission lines to the outgoing distribution lines.

    • Label all components and indicate their ratings and connections.

    • Use standard symbols and conventions for clarity.

    • Consider safet

  • Answered by AI
  • Q2. About PT and CT
Round 2 - Design Test 

(2 Questions)

  • Q1. Draw a room lighting fixture
  • Ans. 

    A room lighting fixture with a modern design and energy-efficient LED bulbs.

    • Consider the size and shape of the room when designing the fixture

    • Choose energy-efficient lighting options such as LED bulbs

    • Incorporate modern design elements for a sleek look

  • Answered by AI
  • Q2. Draw it's connection
  • Ans. 

    The question is asking the candidate to draw a connection diagram for a specific electrical system.

    • Start by identifying all the components of the electrical system

    • Draw a clear and organized diagram showing how each component is connected

    • Label each connection and component for clarity

    • Ensure the diagram follows standard electrical symbols and conventions

    • Double-check the diagram for accuracy and completeness

  • Answered by AI
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Walk-in 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 tips
Round 2 - Technical 

(1 Question)

  • Q1. Question related to experience
Round 3 - HR 

(1 Question)

  • Q1. About the site supervision
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
More than 8 weeks
Result
Selected Selected

I was interviewed in Jul 2022.

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 - One-on-one 

(2 Questions)

  • Q1. I was interviewed for Transmission & Distribution Profile Q1 - Please walk us through your CV and your roles in the various projects ? Q2 - Tell us about design calculations of EHV Cables. How you come up ...
  • Q2. Q15 - Concepts of HVDC & Offshore Connections
  • Ans. 

    HVDC is a technology used to transmit high voltage DC power over long distances. Offshore connections refer to power transmission from offshore wind farms.

    • HVDC is more efficient than AC transmission over long distances

    • Offshore connections require specialized equipment and installation techniques

    • HVDC is used for offshore connections to transmit power from offshore wind farms to the mainland

    • Examples of HVDC projects incl...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for AECOM Senior Electrical Engineer interview:
  • Grounding
  • Cable Sizing
  • Battery Charger
  • Transformers
  • Power Transmission
Interview preparation tips for other job seekers - The interview was conducted by the team whom you will join, if you clear the interview. Please be brief with your CV, Any question can be asked based on your CV. Conceptual question were asked, with no major emphasis on formulas but the understanding behind it.

Go through these topics
1. Grounding Design details
2. Battery Charger sizing step by step process
3. Cable Ampacity and SVL calculation.
Interview experience
4
Good
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected
Round 1 - Technical 

(3 Questions)

  • Q1. Electrical panal installation and connection
  • Q2. External work complete
  • Q3. Construction building in raising panal installation
  • Ans. 

    Construction building in raising panel installation involves proper planning, coordination, and adherence to safety regulations.

    • Ensure all necessary materials and equipment are available before starting the installation process

    • Coordinate with other trades to ensure smooth workflow and avoid conflicts

    • Follow safety regulations and guidelines to prevent accidents and injuries

    • Properly train and supervise workers to ensure ...

  • Answered by AI
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 Aug 2024. There was 1 interview round.

Round 1 - Technical 

(7 Questions)

  • Q1. What is diesel generator, transformer & HVAC
  • Ans. 

    Diesel generator is a backup power source using diesel fuel, transformer is a device that transfers electrical energy between circuits, and HVAC is a system for heating, ventilation, and air conditioning.

    • Diesel generator: provides backup power using diesel fuel, commonly used in areas with frequent power outages

    • Transformer: transfers electrical energy between circuits, stepping up or down voltage levels as needed

    • HVAC: ...

  • Answered by AI
  • Q2. Operation & maintenance LT pannel & HT pannel
  • Q3. What is fire fighting system
  • Ans. 

    A fire fighting system is a set of equipment and procedures designed to detect, control, and extinguish fires in a building or area.

    • Includes fire alarms, sprinkler systems, fire extinguishers, and fire hoses

    • May also involve fire suppression systems like foam or gas

    • Designed to protect lives and property in the event of a fire

    • Regular maintenance and testing are crucial to ensure effectiveness

  • Answered by AI
  • Q4. What is DM plant
  • Ans. 

    DM plant stands for Demineralization plant, used to remove minerals and salts from water.

    • DM plant is used in industries to produce demineralized water for various processes.

    • It consists of ion exchange resins to remove minerals like calcium, magnesium, and salts from water.

    • The process involves passing water through cation and anion exchange columns to remove ions.

    • DM plant is essential in power plants, pharmaceutical ind...

  • Answered by AI
  • Q5. What is acb,vcb,mccb, mcb
  • Ans. 

    ACB, VCB, MCCB, MCB are types of circuit breakers used in electrical systems.

    • ACB stands for Air Circuit Breaker, used for high voltage applications.

    • VCB stands for Vacuum Circuit Breaker, used for medium voltage applications.

    • MCCB stands for Molded Case Circuit Breaker, used for low voltage applications.

    • MCB stands for Miniature Circuit Breaker, used for residential and commercial applications.

  • Answered by AI
  • Q6. Fire fighting system
  • Q7. ACB,VCB,MCCB,MCB,OCB etc

Interview Preparation Tips

Topics to prepare for Tata Projects Electrical Engineer interview:
  • Electrical department
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(5 Questions)

  • Q1. Electrical engineer
  • Q2. Solar technician
  • Q3. Lisoining hand over take over
  • Q4. Erection testing commissioning
  • Q5. Row solve sub contractors billing
  • Ans. 

    To row solve sub contractors billing, ensure accurate tracking of work completed, materials used, and hours worked.

    • Maintain detailed records of work completed by each subcontractor

    • Verify invoices against work completed and materials used

    • Track hours worked by subcontractors to ensure accurate billing

    • Address any discrepancies or issues promptly to avoid delays in payment

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

C6h12o6 what's this is

Round 2 - Technical 

(2 Questions)

  • Q1. Root 3 what is this
  • Q2. 66 conversation for Roman number
Round 3 - Technical 

(2 Questions)

  • Q1. Auxin what is theis
  • Ans. 

    Auxin is a plant hormone that regulates growth and development.

    • Auxin is responsible for cell elongation and division in plants.

    • It plays a role in phototropism, gravitropism, and apical dominance.

    • Examples of auxin include indole-3-acetic acid (IAA) and synthetic auxins like 2,4-D.

  • Answered by AI
  • Q2. Iaa what is this

Interview Preparation Tips

Interview preparation tips for other job seekers - Hi
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website

Round 1 - Aptitude Test 

Electrician test and all questions

Round 2 - Technical 

(3 Questions)

  • Q1. 2 way wairing And all electrical work
  • Q2. 2 way and light and wairing and Earth and all
  • Q3. Electrical all questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Electrician maintenance
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before May 2023. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Regarding to my previous job
  • Q2. Regarding LT panel and HT panel, motors and maintenance.
Round 2 - Technical 

(1 Question)

  • Q1. Technical questions

Larsen & Toubro Group Interview FAQs

How many rounds are there in Larsen & Toubro Group Senior Electrical Engineer interview?
Larsen & Toubro Group interview process usually has 1 rounds. The most common rounds in the Larsen & Toubro Group interview process are Technical.
What are the top questions asked in Larsen & Toubro Group Senior Electrical Engineer interview?

Some of the top questions asked at the Larsen & Toubro Group Senior Electrical Engineer interview -

  1. HT daily power consumption (90k...read more
  2. How did to reset Vcb and ACB breaker. First check breaker charge position after...read more
  3. 3phase condenser pump 25hp motor how much amp 44...read more

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Larsen & Toubro Group Senior Electrical Engineer Salary
based on 4 salaries
₹8.1 L/yr - ₹10 L/yr
19% more than the average Senior Electrical Engineer Salary in India
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Larsen & Toubro Group Senior Electrical Engineer Reviews and Ratings

based on 2 reviews

4.4/5

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3.8

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3.6

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3.6

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4.5

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4.0

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3.4

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