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L&T Technology Services Senior Electrical Engineer Interview Questions, Process, and Tips

Updated 23 May 2023

Top L&T Technology Services Senior Electrical Engineer Interview Questions and Answers

  • Q1. 1. What IEC standard you are using for designing the panels, for selection of switchgear.
  • Q2. 4. How VFD work, basic components of VFD, parameters to operate the VFD.
  • Q3. 2. Detail design calculations for selecting the Size of busbar, switchgear, type-2 coordination, discrimination study.
View all 9 questions

L&T Technology Services Senior Electrical Engineer Interview Experiences

2 interviews found

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Apr 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 - One-on-one 

(2 Questions)

  • Q1. Working of VFD , design of lv panels
  • Ans. 

    VFD is a device used to control the speed of an electric motor. LV panels are used to distribute power to various loads.

    • VFD works by adjusting the frequency of the power supplied to the motor, which in turn controls its speed.

    • LV panels are designed to distribute power to various loads in a safe and efficient manner.

    • Design of LV panels involves selecting appropriate components such as circuit breakers, fuses, and contac...

  • Answered by AI
  • Q2. Standard used in electrical desiy
  • Ans. 

    Various standards are used in electrical design depending on the country, industry, and application.

    • National Electrical Code (NEC) is used in the United States

    • International Electrotechnical Commission (IEC) standards are used globally

    • In the automotive industry, ISO 26262 is used for functional safety

    • In the aerospace industry, DO-254 is used for airborne electronic hardware

    • Standards are also specific to certain applicat...

  • Answered by AI

I applied via LinkedIn and was interviewed in Mar 2022. 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 

(7 Questions)

  • Q1. 1. What IEC standard you are using for designing the panels, for selection of switchgear.
  • Ans. 

    We are using IEC 61439 standard for designing the panels and selecting switchgear.

    • IEC 61439 is the international standard for low-voltage switchgear and controlgear assemblies

    • It provides guidelines for the design, manufacture, and testing of switchgear and controlgear assemblies

    • The standard ensures safety, reliability, and performance of the switchgear and controlgear assemblies

    • IEC 61439 is widely recognized and accept...

  • Answered by AI
  • Q2. 2. Detail design calculations for selecting the Size of busbar, switchgear, type-2 coordination, discrimination study.
  • Ans. 

    Explanation of design calculations for selecting busbar size, switchgear, type-2 coordination, and discrimination study.

    • Busbar size selection based on current carrying capacity and voltage drop

    • Switchgear selection based on fault level and load current

    • Type-2 coordination ensures proper operation of protective devices during a fault

    • Discrimination study ensures that only the faulty section of the system is isolated during...

  • Answered by AI
  • Q3. 3. Control logic of electrical Panel.
  • Ans. 

    Control logic of electrical panel involves designing and implementing the logic for controlling various electrical components.

    • Designing the logic for controlling electrical components such as motors, pumps, and valves

    • Implementing the control logic using programmable logic controllers (PLCs) or other control systems

    • Testing and troubleshooting the control logic to ensure proper operation

    • Documenting the control logic for ...

  • Answered by AI
  • Q4. 4. How VFD work, basic components of VFD, parameters to operate the VFD.
  • Ans. 

    VFDs control the speed of AC motors by varying the frequency and voltage of the power supplied to the motor.

    • VFD stands for Variable Frequency Drive

    • Basic components include rectifier, DC bus, inverter, and control system

    • Parameters include frequency, voltage, current, and acceleration/deceleration time

    • VFDs can improve energy efficiency and reduce wear and tear on motors

    • Example: VFDs are commonly used in HVAC systems to c

  • Answered by AI
  • Q5. 5. Tell me about soft starter panel.
  • Ans. 

    A soft starter panel is an electrical device used to control the starting current of an electric motor.

    • It reduces the mechanical stress on the motor during startup.

    • It gradually increases the voltage supplied to the motor.

    • It can be used to control the speed of the motor.

    • It is commonly used in applications where a large amount of power is required to start the motor.

    • Examples include pumps, compressors, and conveyor belts

  • Answered by AI
  • Q6. 6.What software you are using for testing the electrical components.
  • Ans. 

    We use various software depending on the type of electrical component being tested.

    • We use simulation software like LTSpice and PSpice for circuit analysis.

    • For testing microcontrollers, we use software like Keil and MPLAB.

    • For power system analysis, we use software like ETAP and PowerWorld.

    • We also use software like LabVIEW and MATLAB for data acquisition and analysis.

  • Answered by AI
  • Q7. 7. Tell me about the 2 wire and 4 wire communication.
  • Ans. 

    2 wire and 4 wire communication are methods used for transmitting data or signals between devices.

    • 2 wire communication uses a single pair of wires for both transmitting and receiving data.

    • 4 wire communication uses two pairs of wires, one for transmitting and one for receiving data.

    • 2 wire communication is commonly used in simple applications like telephone lines.

    • 4 wire communication is used in more complex applications ...

  • Answered by AI
Round 3 - HR 

(6 Questions)

  • Q1. 1. Telle about your self, including your family background, education.
  • Q2. 2. Company structure, hararcy to whom you are reporting.
  • Q3. 3. Is you're working in team or individually.
  • Q4. 4. what is the strength of your team and how you are managing your team.
  • Q5. 5. How critical situation you are handling.
  • Q6. 6. Why do you want to change your current Job.

Interview Preparation Tips

Interview preparation tips for other job seekers - 1. Be confidant and honest.
2. Please collect the knowledge and information about your current job how it's perform.
3. At what standard and international code you are following for any technical work.
4. Collect the information about your tools you are using for any type work including software, hardware, machine tool.
5. what perameter you are following for this tools.
6. You must know the fundamental knowledge of your field of work.
7. Collect the information about new technology which is in trand and very closely working with your work domain.

Senior Electrical Engineer Interview Questions Asked at Other Companies

Q1. 1. What IEC standard you are using for designing the panels, for ... read more
Q2. What is the thyresistor value from gate to cathode in induction f ... read more
Q3. 4. How VFD work, basic components of VFD, parameters to operate t ... read more
Q4. What is the difference between over current and earth fault prote ... read more
Q5. 2. Detail design calculations for selecting the Size of busbar, s ... read more

Interview questions from similar companies

I applied via Job Portal and was interviewed before Jul 2021. There were 3 interview rounds.

Round 1 - Technical 

(3 Questions)

  • Q1. How do you configure and verify custom DNS in Azure AD?
  • Ans. 

    To configure and verify custom DNS in Azure AD, follow these steps:

    • Create a DNS zone in Azure DNS

    • Add a custom domain to Azure AD

    • Create a CNAME record in the DNS zone that points to the Azure AD domain

    • Verify the custom domain in Azure AD

    • Update the DNS registrar to use the Azure DNS name servers

    • Test the custom DNS by accessing Azure AD resources using the custom domain

  • Answered by AI
  • Q2. Supported authentication types in Azure AD
  • Ans. 

    Azure AD supports various authentication types for secure access to resources.

    • Azure AD supports password-based authentication, multi-factor authentication, certificate-based authentication, and federated authentication.

    • It also supports OAuth 2.0 and OpenID Connect for secure authentication and authorization.

    • Examples of supported protocols include SAML, WS-Federation, and OAuth 2.0/OpenID Connect.

    • Azure AD also supports ...

  • Answered by AI
  • Q3. Hybrid scenarios regarding Azure AD using Azure AD Connect
Round 2 - One-on-one 

(3 Questions)

  • Q1. What if someone asks you your salary?
  • Q2. How would you react if someone lured into giving up some secrets
  • Q3. Are you ready for relocation??
Round 3 - HR 

(4 Questions)

  • Q1. Salary discussion, Joining bonus discussion
  • Q2. Explanation of salary breakup in hand
  • Q3. Any gaps in education, experience explanation
  • Q4. Confirmation about previous work experiences

Interview Preparation Tips

Topics to prepare for LTIMindtree Senior Engineer interview:
  • Azure Active Directory
  • Azure
  • Deployments in Azure
Interview preparation tips for other job seekers - If they want the opening to be filled immediately, then they will anyhow select you if you have even 30% to 40% of the required skillset required for the job and good communication. If your previous experiences are from startups, then also they will consider you. But if they are willing to wait for your notice period to end and offering you desired salary, beware then they will crunch the best out of you during interviews, they will ensure that they are hiring the right person.

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Nov 2020. There were 5 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Questions based on the CV we kept
  • Q2. Questions related to powershell, storages, networking in azure IaaS, NSG

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare whatever u kept in CV and the basics

I applied via Recruitment Consultant and was interviewed in Mar 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Routing and switching related

Interview Preparation Tips

Interview preparation tips for other job seekers - Do your best. Study well.
Its all about God's grace.

Interview Questionnaire 

3 Questions

  • Q1. About skilla
  • Q2. Project
  • Q3. Roles in

Interview Questionnaire 

1 Question

  • Q1. What do u know about c..?
  • Ans. 

    C is a general-purpose programming language known for its efficiency and low-level memory manipulation capabilities.

    • C was developed by Dennis Ritchie at Bell Labs in 1972.

    • It is widely used for system programming, embedded systems, and developing operating systems.

    • C is a compiled language and is known for its speed and efficiency.

    • It has influenced many other programming languages, including C++, Java, and Python.

    • Some po...

  • Answered by AI
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Mar 2022. 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 - Coding Test 

We should be clear on logics, syntax can be ignored but logics should be very clear

Round 3 - HR 

(2 Questions)

  • Q1. Are you comfortable working from any location
  • Q2. What are your expectations from our organisation

Interview Preparation Tips

Interview preparation tips for other job seekers - Be focused and be prepared. Try be as relaxed and clam you can.

I applied via Approached by Company and was interviewed before Dec 2021. 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 

(1 Question)

  • Q1. What is n-tier architecture
  • Ans. 

    n-tier architecture is a software design pattern that divides an application into logical layers.

    • It separates presentation, application processing, and data management functions.

    • Each layer can be developed and maintained independently.

    • Examples include 3-tier and 4-tier architectures.

    • It improves scalability, maintainability, and flexibility of the application.

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. What is your expectation from company

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident while answering the questions and answers

I applied via Job Fair and was interviewed before May 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 - HR 

(1 Question)

  • Q1. What is your job role

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and strive hard to achieve what you desire
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L&T Technology Services Interview FAQs

How many rounds are there in L&T Technology Services Senior Electrical Engineer interview?
L&T Technology Services interview process usually has 2-3 rounds. The most common rounds in the L&T Technology Services interview process are Resume Shortlist, Technical and HR.
What are the top questions asked in L&T Technology Services Senior Electrical Engineer interview?

Some of the top questions asked at the L&T Technology Services Senior Electrical Engineer interview -

  1. 1. What IEC standard you are using for designing the panels, for selection of s...read more
  2. 4. How VFD work, basic components of VFD, parameters to operate the V...read more
  3. 2. Detail design calculations for selecting the Size of busbar, switchgear, typ...read more

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L&T Technology Services Senior Electrical Engineer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
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L&T Technology Services Senior Electrical Engineer Salary
based on 63 salaries
₹6 L/yr - ₹13 L/yr
16% more than the average Senior Electrical Engineer Salary in India
View more details

L&T Technology Services Senior Electrical Engineer Reviews and Ratings

based on 14 reviews

3.2/5

Rating in categories

2.8

Skill development

2.9

Work-life balance

2.8

Salary

3.7

Job security

3.4

Company culture

2.4

Promotions

2.3

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