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L&T Technology Services Hardware Engineer Interview Questions and Answers

Updated 7 Aug 2024

L&T Technology Services Hardware Engineer Interview Experiences

3 interviews found

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(3 Questions)

  • Q1. What is Database Management System?
  • Ans. 

    A Database Management System (DBMS) is a software that manages and organizes data in databases.

    • DBMS helps in creating, updating, and managing databases.

    • It provides tools for data retrieval, storage, and manipulation.

    • Examples of DBMS include MySQL, Oracle, and Microsoft SQL Server.

  • Answered by AI
  • Q2. What is Power BI?
  • Ans. 

    Power BI is a business analytics tool by Microsoft for visualizing and analyzing data.

    • Business analytics tool by Microsoft

    • Used for visualizing and analyzing data

    • Allows users to create interactive reports and dashboards

    • Integrates with various data sources such as Excel, SQL Server, and cloud services

  • Answered by AI
  • Q3. Tell me about your project.
  • Ans. 

    Designed and implemented a low-power IoT device for monitoring environmental conditions in agricultural settings.

    • Researched sensor technologies suitable for monitoring temperature, humidity, and soil moisture

    • Developed hardware schematics and PCB layout using Altium Designer

    • Programmed firmware in C for the microcontroller to collect and transmit data wirelessly

    • Conducted field tests to validate the device's performance a

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - It is very good company.

Skills evaluated in this interview

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

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

Round 1 - Technical 

(1 Question)

  • Q1. Dc dc converter, FET, Basics
Round 2 - Technical 

(1 Question)

  • Q1. Design flow, testing details, how to desired components...etc

Hardware Engineer Interview Questions Asked at Other Companies

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Q2. How do you implement the overlap-add method of convolution?
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Q5. How do you implement interpolation in discrete-time domain?

I applied via Referral and was interviewed before May 2020. There were 3 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Communication basics
  • Q2. Component selection
  • Q3. High speed design concepts
  • Q4. Analog circuits

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep basics up to date

Interview questions from similar companies

I applied via Naukri.com and was interviewed before Jul 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Coming to AEM,Interviewer has covered all the topics.

Interview Preparation Tips

Interview preparation tips for other job seekers - Pls don't join in TechMahindra.Especially for AEM Folks.Because there are no projects at all.They force you to learn and work in other domain.Then your AEM knowledge will vanish.Worst Company.

Interview Questionnaire 

1 Question

  • Q1. What is name mangling?
  • Ans. 

    Name mangling is a technique used by compilers to give unique names to functions and variables to avoid naming conflicts.

    • Name mangling is used in C++ to support function overloading.

    • It is also used in Python to avoid naming conflicts in modules.

    • Name mangling can make it difficult to access variables and functions from outside the class in which they are defined.

    • In C++, name mangling can be seen by using the 'nm' comman

  • Answered by AI

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Aug 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Past experience and communication skills

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident

Senior Engineer Interview Questions & Answers

HCLTech user image raja reddy duggi reddy

posted on 27 Apr 2021

Interview Questionnaire 

2 Questions

  • Q1. Engineering Technical
  • Q2. Mainly on Engineering Design

Interview Questionnaire 

6 Questions

  • Q1. Explain abstract factory design pattern ?
  • Ans. 

    Abstract Factory is a creational design pattern that provides an interface for creating families of related objects.

    • Abstract Factory is used when we need to create families of related objects without specifying their concrete classes.

    • It provides an interface for creating objects of related classes without specifying their concrete classes.

    • It encapsulates a group of factories that have a common theme.

    • It promotes loose c...

  • Answered by AI
  • Q2. How do you do range based map iteration
  • Ans. 

    Range based map iteration can be done using a for-each loop or iterators.

    • Use a for-each loop to iterate over the map elements.

    • Alternatively, use iterators to traverse the map.

    • The range-based for loop is preferred for its simplicity and readability.

    • Example: for(auto const& [key, value] : myMap) { //do something with key and value }

  • Answered by AI
  • Q3. What are detached and joined threads
  • Ans. 

    Detached threads are independent threads that run separately from the main thread. Joined threads are threads that wait for the main thread to finish.

    • Detached threads are created using pthread_detach() function

    • Joined threads are created using pthread_join() function

    • Detached threads do not need to be explicitly terminated

    • Joined threads must be explicitly terminated using pthread_exit() or return statement

    • Detached thread...

  • Answered by AI
  • Q4. What are static code analysis tools
  • Ans. 

    Static code analysis tools are software programs that analyze source code to find potential issues and improve code quality.

    • Static code analysis tools scan code without executing it

    • They can detect issues such as security vulnerabilities, coding errors, and performance problems

    • Examples of static code analysis tools include SonarQube, ESLint, and Checkstyle

  • Answered by AI
  • Q5. Command to list currently running threads in linux
  • Ans. 

    Command to list currently running threads in linux

    • Use the 'ps' command with the 'H' option to display threads in a hierarchy

    • Use the 'top' command to display threads in real-time

    • Use the 'htop' command for an interactive display of threads

  • Answered by AI
  • Q6. Can we perform arithmetic operation on Unique pointer
  • Ans. 

    No, arithmetic operations cannot be performed on unique pointers.

    • Unique pointers are used to manage the lifetime of dynamically allocated objects.

    • They cannot be copied or assigned, only moved.

    • Arithmetic operations are not defined for pointers, including unique pointers.

  • Answered by AI

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Design facebook
  • Ans. 

    Designing Facebook is a complex task involving various components and technologies.

    • Identify the core features of Facebook such as user profiles, news feed, messaging, and groups.

    • Choose appropriate technologies for each component such as PHP for backend, React for frontend, and MySQL for database.

    • Ensure scalability and performance by implementing caching, load balancing, and database sharding.

    • Implement security measures...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Database, logical reasoning

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
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L&T Technology Services Interview FAQs

How many rounds are there in L&T Technology Services Hardware Engineer interview?
L&T Technology Services interview process usually has 1-2 rounds. The most common rounds in the L&T Technology Services interview process are Technical and HR.
What are the top questions asked in L&T Technology Services Hardware Engineer interview?

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

  1. What is Database Management Syst...read more
  2. What is Power ...read more
  3. design flow, testing details, how to desired components......read more

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L&T Technology Services Hardware Engineer Interview Process

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Interview experience

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L&T Technology Services Hardware Engineer Salary
based on 89 salaries
₹3.5 L/yr - ₹8.2 L/yr
16% less than the average Hardware Engineer Salary in India
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based on 21 reviews

3.2/5

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2.8

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3.1

Work-life balance

2.6

Salary

3.1

Job security

3.2

Company culture

2.2

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3.0

Work satisfaction

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