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Larsen & Toubro Limited Diploma Electrical Engineer Interview Questions and Answers

Updated 27 Jan 2025

Larsen & Toubro Limited Diploma Electrical Engineer Interview Experiences

2 interviews found

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

Diesel Generator: A Reliable Power Source
A diesel generator is a self-contained power generating unit that combines a diesel engine with an electric generator (often an alternator). It's a versatile and widely used source of electricity, particularly in situations where a reliable power supply is crucial.
How Diesel Generators Work
* Diesel Engine: The diesel engine, fueled by diesel fuel, acts as the prime mover. It converts the chemical energy of the fuel into mechanical energy through combustion.
* Electric Generator: The mechanical energy from the engine is transferred to the generator, which converts it into electrical energy. This electrical energy can then be used to power various appliances and equipment.
Applications of Diesel Generators
* Backup Power: Diesel generators are commonly used as backup power sources for homes, businesses, hospitals, and critical infrastructure during power outages.
* Remote Locations: In areas with limited or no access to the grid, diesel generators provide a reliable source of electricity for various applications.
* Construction Sites: Diesel generators power tools and equipment on construction sites, ensuring work can continue even in remote locations.
* Off-Grid Living: Individuals living off the grid often rely on diesel generators for their electricity needs.
* Data Centers: Diesel generators provide backup power to ensure the continuous operation of critical data centers.
Advantages of Diesel Generators
* Reliability: Diesel engines are known for their durability and reliability, making them suitable for demanding applications.
* Fuel Efficiency: Modern diesel engines offer excellent fuel efficiency, reducing operating costs.
* Wide Power Range: Diesel generators are available in a wide range of sizes and power capacities, catering to various needs.
* Easy Maintenance: Diesel generators are relatively easy to maintain and service.
Disadvantages of Diesel Generators
* Noise: Diesel generators can be noisy, which may be a concern in certain settings.

Round 2 - One-on-one 

(3 Questions)

  • Q1. Transformer & protection
  • Q2. Breaker & protection
  • Q3. Motor panel Feeder & protection
Round 3 - One-on-one 

(2 Questions)

  • Q1. Motor & Motor protection
  • Q2. All types panel & protection
  • Ans. 

    Panel and protection systems are essential components in electrical engineering for controlling and safeguarding electrical circuits.

    • Different types of panels include distribution panels, control panels, and instrumentation panels.

    • Protection systems include overcurrent protection, earth fault protection, and differential protection.

    • Panels are used to house electrical components and provide a safe environment for operat...

  • Answered by AI

I appeared for an interview in Aug 2021.

Round 1 - HR 

(3 Questions)

  • Q1. What is your family background?
  • Ans. 

    Including me there are 6 member in my family ,thera are 3 brother and 1 sister.

    My father is business man and my mother is home meaker.

  • Answered by Uttam soni
  • Q2. What are your strengths and weaknesses?
  • Ans. 

    I am a good communication , multitasker and hardware

  • Answered by Uttam soni
  • Q3. Tell me about yourself.
  • Ans. 

    I am is uttam soni.

    I here to shaktinagar bus stand market.

    I am diploma holder.

  • Answered by Uttam soni
Round 2 - HR 

(2 Questions)

  • Q1. What are your strengths and weaknesses?
  • Q2. Tell me about yourself.

Interview Preparation Tips

Interview preparation tips for other job seekers - Namaste sir
Diploma in electric engineer

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

I applied via Walk-in and was interviewed in Jul 2019. There was 1 interview round.

Interview Questionnaire 

3 Questions

  • Q1. Are u give me a chance fighting for this task.....
  • Q2. If i "m qualifing this task in your comny so how many days in u r providing me joining letter.....
  • Q3. What is your comny expensive for engineer.
  • Ans. 

    Company expenses for engineers include salaries, benefits, training, equipment, and travel costs.

    • Salaries are a major expense for engineers, varying based on experience and specialization.

    • Benefits such as healthcare, retirement plans, and bonuses add to the overall expense.

    • Training programs to keep engineers updated with the latest technologies can be costly.

    • Equipment and tools needed for engineering work can be a sign...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - really i knw dilip buildcon is also high peofile of comny nd its lots of monthly turnover so im also want completing this task and joine to your company for better future with the honestfully as a good engineer

I appeared for an interview before Oct 2020.

Interview Questionnaire 

2 Questions

  • Q1. About operations and maintenance of electrical equipment
  • Q2. I would like to draw your attention to my interview

Interview Preparation Tips

Interview preparation tips for other job seekers - Telephonic interview for technical and non technical questions both

I applied via Naukri.com and was interviewed in Jan 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Electrical Safety ?

Interview Preparation Tips

Interview preparation tips for other job seekers - Best Organisation for interview skills
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 tips
Round 2 - Technical 

(3 Questions)

  • Q1. What is Full form DOL starter
  • Ans. 

    DOL starter stands for Direct-On-Line starter, used to start motors by directly connecting them to the power supply.

    • DOL starter is the simplest and most common type of motor starter.

    • It directly connects the motor to the power supply without any intermediate starting method.

    • It provides full voltage to the motor during starting, which can cause high inrush current.

    • DOL starters are suitable for small to medium-sized motor...

  • Answered by AI
  • Q2. What is APFC PANEL
  • Ans. 

    APFC PANEL stands for Automatic Power Factor Correction Panel, used to maintain power factor in electrical systems.

    • APFC PANEL automatically monitors and corrects the power factor of electrical systems.

    • It helps in reducing electricity bills by maintaining a high power factor.

    • APFC PANELs are commonly used in industries and commercial buildings.

    • They consist of capacitors that are switched on and off based on the load requ...

  • Answered by AI
  • Q3. Star dalta conection
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
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Double-check your resume for any spelling mistakes. The recruiter may consider spelling mistakes as careless behavior or poor communication skills.
View all tips
Round 2 - Aptitude Test 

Electrical project and ups and battery kva rating amp.

Round 3 - Case Study 

Electrical site engg and ups and servostablizer and solar panel

Round 4 - Aptitude Test 

About electrical work

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Jun 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 - Technical 

(5 Questions)

  • Q1. What is ATS, transformer maintenance procedure, protection of transformer, maintenance procedure of motor, protection of motor, knowledge about SAP
  • Ans. 

    ATS stands for Automatic Transfer Switch. It is used to transfer power supply between two sources. Transformer and motor maintenance procedures and protection methods are essential for their efficient operation. SAP is a software used for enterprise resource planning.

    • ATS is used to automatically switch power supply between two sources, ensuring uninterrupted power supply.

    • Transformer maintenance involves regular inspect...

  • Answered by AI
  • Q2. Knowledge about DG set, and spare material
  • Q3. Rating of HT motor and FLC of HT motor
  • Ans. 

    HT motor rating is the maximum power it can handle and FLC is the current it draws at full load.

    • HT motor rating is expressed in kilowatts (kW) or megawatts (MW).

    • FLC of HT motor is the full load current it draws at rated voltage and frequency.

    • FLC is expressed in amperes (A) and varies depending on the motor's power rating and efficiency.

    • For example, a 1 MW HT motor may have a FLC of 1000 A at 11 kV.

    • The rating and FLC of...

  • Answered by AI
  • Q4. Plant EHT system and single line diagram of plants.
  • Ans. 

    Plant EHT system and single line diagram of plants.

    • EHT system refers to Extra High Tension system used in power plants

    • Single line diagram shows the electrical connections between different components

    • It is important to have a clear and accurate diagram for safety and maintenance purposes

  • Answered by AI
  • Q5. Knowledge about HT and LT breaker.

Interview Preparation Tips

Interview preparation tips for other job seekers - Basic of electrical engineer, standard of electrical

Skills evaluated in this interview

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

I applied via Naukri.com and was interviewed before Dec 2021. 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 tips
Round 2 - Technical 

(2 Questions)

  • Q1. Technical round related to substations, captive diesel power plant, material handling system, Barge loader, mini substations
  • Q2. Offshore working experience

Interview Preparation Tips

Interview preparation tips for other job seekers - Good cmny and salary on time. Contractual position. High work pressure no weekly off ntg.

Larsen & Toubro Limited Interview FAQs

How many rounds are there in Larsen & Toubro Limited Diploma Electrical Engineer interview?
Larsen & Toubro Limited interview process usually has 2-3 rounds. The most common rounds in the Larsen & Toubro Limited interview process are HR, One-on-one Round and Group Discussion.
What are the top questions asked in Larsen & Toubro Limited Diploma Electrical Engineer interview?

Some of the top questions asked at the Larsen & Toubro Limited Diploma Electrical Engineer interview -

  1. All types panel & protect...read more
  2. Motor panel Feeder & protect...read more
  3. Transformer & protect...read more

Tell us how to improve this page.

Larsen & Toubro Limited Diploma Electrical Engineer Interview Process

based on 3 interviews

Interview experience

5
  
Excellent
View more

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Larsen & Toubro Limited Diploma Electrical Engineer Salary
based on 41 salaries
₹2.2 L/yr - ₹7 L/yr
48% more than the average Diploma Electrical Engineer Salary in India
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Larsen & Toubro Limited Diploma Electrical Engineer Reviews and Ratings

based on 15 reviews

4.5/5

Rating in categories

4.7

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4.3

Work-life balance

4.5

Salary

4.6

Job security

4.6

Company culture

4.0

Promotions

4.5

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