80+ L&T Defence Interview Questions & Answers | Complete Prep Guide 2025

Top L&T Defence Interview Questions and Answers

Q1. Which one is better for good weight to strength ratio? Hollow or solid?
asked in Production Manager interview
View answer (1)
Q2. Analysis of RC circuit including charge discharge graph and equations
asked in Electrical GET interview
View answer (1)
Q3. What is Object Oriented Programming features?
asked in Data Entry Operator interview
View answer (1)

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L&T Defence Interview Experiences

Popular Designations

26 interviews found

Production Manager Interview Questions & Answers

Anonymous

posted on 26 Aug 2022

Round 1 - Aptitude Test

I joined as GET and aptitude test was seemed easy.

Round 2 - Technical

(5 Questions)

Q1. What is your favorite subject?

Add your answer

Q2. What is critical speed?

Ans.

Critical speed is the speed at which a rotating object experiences resonance and begins to vibrate uncontrollably.

It is the speed at which the natural frequency of the object matches the frequency of its rotation.
It can cause damage to the object and surrounding equipment.
It is important to calculate critical speed in order to avoid resonance and vibration issues.
Examples include turbine rotors, drive shafts, and centr

Answered by AI

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Q3. How do u design a shaft?

Ans.

Designing a shaft involves determining its dimensions, material, and manufacturing process.

Determine the required torque and power to be transmitted
Select appropriate material based on strength, weight, and cost
Calculate the shaft diameter and length based on the torque and bending stress
Choose a manufacturing process such as forging, casting, or machining
Consider factors such as surface finish, tolerances, and heat tr...

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Q4. Which one is better for good weight to strength ratio? Hollow or solid?

Ans.

Hollow structures have a better weight to strength ratio than solid structures.

Hollow structures are lighter than solid structures of the same material and size.
Hollow structures distribute weight more evenly, reducing stress points.
Hollow structures are often used in aerospace and automotive industries for their weight-saving properties.
Solid structures may be stronger in certain applications, such as load-bearing col

Answered by AI

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Q5. What is equation of Castigliano's theorem?

Ans.

Castigliano's theorem relates the partial derivative of the strain energy to the applied loads.

Castigliano's theorem is used to determine the deflection of a structure under a given load.
It is based on the principle of minimum potential energy.
The theorem states that the partial derivative of the strain energy with respect to a force is equal to the displacement caused by that force.
It can be used to solve for unknown ...

Answered by AI

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Round 3 - HR

(1 Question)

Q1. Are you ready to relocate across India?

Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and face questions in interview.

Skills evaluated in this interview

Production Manager Interview Questions asked at other Companies

Q1. Production, Maintenance, Quality and Safety. Out of four, tell me the most important and least important thing for you and why?

View answer (10)

Engineer Interview Questions & Answers

Anonymous

posted on 4 Mar 2025

Interview experience

Excellent

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

No response

I was interviewed in Feb 2025.

Round 1 - Technical

(2 Questions)

Q1. Describe job role and learning?

Add your answer

Q2. How you are implemented your training learning in to workspace,?

Add your answer

Round 2 - HR

(2 Questions)

Q1. Family background

Add your answer

Q2. Salary expectations

Add your answer

Round 3 - Technical

(2 Questions)

Q1. In quality do you have documented your improvement.

Ans.

Yes, we have documented our quality improvement initiatives to ensure continuous enhancement and compliance.

Implemented a quality management system (QMS) to track improvements.
Conducted regular audits and documented findings to identify areas for enhancement.
Utilized customer feedback to drive product improvements, such as reducing defects.
Established key performance indicators (KPIs) to measure the effectiveness of qu

Answered by AI

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Q2. During inspection which difficulty you have faced for proto job

Ans.

During proto job inspections, I faced challenges like inconsistent measurements and communication gaps with the production team.

Inconsistent measurements: Some prototypes had variations that deviated from the specifications, making it hard to assess quality.
Communication gaps: There were instances where the production team misunderstood the inspection criteria, leading to rework.
Time constraints: Tight deadlines often ...

Answered by AI

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Engineer Interview Questions asked at other Companies

Q1. ❖ If a team member is unable to carry out his work, he is doing it repetitively, how would you handle it?, would you like to work only on lifing of components, or would you be ready to shift to other departments?

View answer (7)

L&T Defence Interview Questions and Answers for Freshers

Maintenance Technician Interview Questions & Answers

Anonymous

posted on 26 Feb 2025

Interview experience

Good

Difficulty level

Process Duration

Result

Selected

Round 1 - Technical

(1 Question)

Q1. Work in furnace & CNC

Ans.

I have experience working with furnaces and CNC machines in a maintenance technician role.

I have experience troubleshooting and repairing furnaces to ensure proper functionality.
I am skilled in operating and maintaining CNC machines for precision manufacturing.
I have knowledge of safety protocols and maintenance procedures for both furnaces and CNC machines.

Answered by AI

Add your answer

Round 2 - Aptitude Test

Electrical basic working CNC operator CC working

Maintenance Technician Interview Questions asked at other Companies

Q1. Which machine can you maintain and which machine can you operate?

View answer (3)

Data Entry Operator Interview Questions & Answers

Sarika Jhadhav

posted on 31 Mar 2024

Interview experience

Excellent

Difficulty level

Easy

Process Duration

Less than 2 weeks

Result

Selected

I applied via Company Website and was interviewed in Mar 2024. There was 1 interview round.

Round 1 - One-on-one

(5 Questions)

Q1. Different Between C and C++?

Ans.

C is a procedural programming language while C++ is an object-oriented programming language.

C is a procedural programming language, focusing on functions and procedures.
C++ is an object-oriented programming language, allowing for classes, objects, and inheritance.
C does not support classes and objects, while C++ does.
C++ has features like polymorphism and encapsulation which are not present in C.
C++ is an extension of ...

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Q2. Introduction? Family Background

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Q3. Explain the Final year project?

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Q4. What is Object Oriented Programming features?

Ans.

Object Oriented Programming features include encapsulation, inheritance, and polymorphism.

Encapsulation: Bundling data and methods that operate on the data into a single unit (object).
Inheritance: Ability to create new classes based on existing classes, inheriting their attributes and methods.
Polymorphism: Ability for objects of different classes to respond to the same method call in different ways.

Answered by AI

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Q5. What is a class?

Ans.

A class is a blueprint for creating objects in object-oriented programming.

Classes define the properties and behaviors of objects.
Objects are instances of classes.
Classes can inherit properties and behaviors from other classes.
Encapsulation, inheritance, and polymorphism are key concepts in class-based programming.

Answered by AI

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Skills evaluated in this interview

Data Entry Operator Interview Questions asked at other Companies

Q1. What is skills matrix of Return center Department?

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Apprentice Trainee Interview Questions & Answers

Anonymous

posted on 23 Sep 2024

Interview experience

Excellent

Difficulty level

Moderate

Process Duration

Result

Selected

Round 1 - Timepass test

(4 Questions)

Q1. Mechanical aptitude test

Add your answer

Q2. Basic questions like if these gear rotate these side then another one will rotate which side

Add your answer

Q3. Which tanks will fill fast drain fast

Ans.

Tanks with larger openings will fill and drain faster.

Tanks with wider openings will fill and drain faster due to increased flow rate
Tanks with higher water pressure will fill and drain faster
Examples: swimming pool with a large drain vs a small sink with a narrow drain

Answered by AI

Add your answer

Q4. Some basic questions about types of pump& their work

Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - They want labours they just ask basic family background questions that how good can he/she do work for company very less technical questions asked no any round carried out one mechanical aptitude test carried out for showoff if you score negative still u can get selected as already told they need labours

Apprentice Trainee Interview Questions asked at other Companies

Q1. # Modes of heat transfer and how do they work? #Thermodynamics #performance curve of pump #priming (pump)

View answer (3)

Get interview-ready with Top L&T Defence Interview Questions

Data Science Engineer Interview Questions & Answers

Rahul Pandav

posted on 14 Dec 2023

Interview experience

Good

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

Not Selected

I applied via Recruitment Consulltant and was interviewed in Nov 2023. There were 2 interview rounds.

Round 1 - Resume Shortlist

Pro Tip by AmbitionBox:

Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.

View all Resume tips

Round 2 - One-on-one

(4 Questions)

Q1. Q1- Introduction yourself

Add your answer

Q2. Q2. Explain recent project My project was on topic modeling on the LDA model so drilling on LDA questions i get

Add your answer

Q3. Q3. How does linear regression combine independent variable regression together

Ans.

Linear regression combines independent variables to create a predictive model.

Linear regression is a statistical technique used to model the relationship between a dependent variable and one or more independent variables.
It combines the independent variables by estimating the coefficients that best fit the data and create a linear equation.
The equation represents the relationship between the independent variables and t...

Answered by AI

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Q4. Quest about the data, how was it collected, and all

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Interview Preparation Tips

Interview preparation tips for other job seekers - Clear basics of every model, Stat, Probability, Matrix, and working principle of every model

Skills evaluated in this interview

Data Science Engineer Interview Questions asked at other Companies

Q1. What is DAG? how a spark job works how the dag gets created

View answer (1)

Production Engineer Interview Questions & Answers

Anonymous

posted on 20 Nov 2023

Interview experience

Excellent

Difficulty level

Moderate

Process Duration

2-4 weeks

Result

Selected

I applied via Recruitment Consulltant and was interviewed in Oct 2023. There were 3 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 - Aptitude Test

Multiple choice questions in aptitude test

Round 3 - Technical

(6 Questions)

Q1. Technical knowledge in before company

Add your answer

Q2. Job roles in company

Ans.

Job roles in a company vary depending on the industry and size of the organization.

Job roles can include production engineer, quality control inspector, maintenance technician, production supervisor, and operations manager.
Production engineers are responsible for designing, implementing, and improving production processes.
Quality control inspectors ensure products meet quality standards before they are released to cust...

Answered by AI

Add your answer

Q3. Production reduction

Add your answer

Q4. Quality & Safety working

Add your answer

Q5. No any accident in my on responsible

Add your answer

Q6. My skilled & own responsibility

Add your answer

Interview Preparation Tips

Topics to prepare for L&T Defence Production Engineer interview:

MS-CIT
English Typing

Production Engineer Interview Questions asked at other Companies

Q1. How to solve the problem in robot means how to detect fault?

View answer (9)

Intern Interview Questions & Answers

Anonymous

posted on 27 Sep 2024

Interview experience

Good

Difficulty level

Process Duration

Result

Round 1 - HR

(2 Questions)

Q1. Explain about projects

Ans.

Projects are tasks or assignments undertaken to achieve specific goals within a set timeframe.

Projects involve planning, execution, and monitoring of activities
They have defined objectives, scope, and deliverables
Projects can be individual or team-based
Examples: Developing a new software application, conducting market research, organizing an event

Answered by AI

Add your answer

Q2. Introduction about yourself

Ans.

I am a recent graduate with a degree in Computer Science and a passion for coding and problem-solving.

Graduated with a Bachelor's degree in Computer Science
Proficient in coding languages such as Java, Python, and C++
Completed internships at tech companies like Google and Microsoft

Answered by AI

Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Explain your projects well

Intern Interview Questions asked at other Companies

Q1. Case. There is a housing society “The wasteful society”, you collect all the household garbage and sell it to 5 different businesses. Determine what price you will pay to the society members in Rs/kg, given you want to make a profit of 20% ... read more

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Pget Interview Questions & Answers

Anonymous

posted on 6 Jun 2024

Interview experience

Average

Difficulty level

Easy

Process Duration

Less than 2 weeks

Result

Selected

I applied via Campus Placement

Round 1 - Aptitude Test

Core Engineering Field topics, very doable if you prepare for gate.

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't join the company, the senior management here sells personal stuff, drives their car in ola to make ends meet, considering the high cost of living in bombay. Salary will be on time, that's it.
The food here is bad and you cannot have anything else as there is no cafeteria.
Overall just an ok experience, as the company is a system integrator not an R&D company.

Pget Interview Questions asked at other Companies

Q1. Bending Moment diagram of an indeterminate beam. And, how to find the moments at the mid span of the beam ?

View answer (1)

Service Engineer Interview Questions & Answers

Anonymous

posted on 31 Aug 2023

Interview experience

Good

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

Selected

I applied via Approached by Company and was interviewed in Jul 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 - Technical

(5 Questions)

Q1. Technical support about plant, engine and equipment also maintenance and fault finding rectify related.

Add your answer

Q2. Work experience about diesel equipment.

Add your answer

Q3. How to maintain a plants equipment.

Ans.

Regular inspection, cleaning, lubrication, and calibration are key to maintaining plant equipment.

Perform regular inspections to identify any issues or potential problems
Clean equipment regularly to prevent buildup of dirt and debris
Lubricate moving parts to reduce friction and wear
Calibrate equipment to ensure accurate readings and performance
Train staff on proper maintenance procedures to prolong equipment lifespan

Answered by AI

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Q4. Fault finding and rectify.

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Q5. Education career and technical efficient

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Interview Preparation Tips

Topics to prepare for L&T Defence Service Engineer interview:

Related technical
User Experience

Interview preparation tips for other job seekers - 18 year experience in indian army and 2 year in L&T Defense as service engineer, Technical knowledge about diesel equipment, motor vehicle, experience about maintenance and servicing related equipments also supervising .

Service Engineer Interview Questions asked at other Companies

Q1. What are the compulsory policy excess in four wheeler private vehicles?

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Production & Testing Engineer Interview Questions & Answers

Anonymous

posted on 20 Jun 2024

Interview experience

Poor

Difficulty level

Process Duration

Result

Round 1 - Technical

(1 Question)

Q1. Which devices have you used for mri coil production?

Ans.

I have used devices such as soldering stations, wire strippers, crimping tools, and multimeters for MRI coil production.

Soldering stations
Wire strippers
Crimping tools
Multimeters

Answered by AI

Add your answer

Production & Testing Engineer Interview Questions asked at other Companies

Q1. Which devices have you used for mri coil production?

View answer (1)

Top trending discussions

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Interview Tips & Stories

1d (edited)

timepasstiwari

A Digital Markter

Got Rejected In an Interview, Just Because I Didn’t Answer a Personal Question

So, I got invited for this interview, and they told me to be there at 9 AM. Of course, I get there early, like 8:30, because I don't want to be late. But then I end up waiting for 1.5 hours... read more

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L&T Defence Interview FAQs

How many rounds are there in L&T Defence interview?

L&T Defence interview process usually has 2-3 rounds. The most common rounds in the L&T Defence interview process are Technical, Resume Shortlist and Aptitude Test.

What are the top questions asked in L&T Defence interview?

Some of the top questions asked at the L&T Defence interview -

1.what is elasticity. 2.What is Howks low. 3.How to draw 2d and 3D views. 4.Mea...read more
Which one is better for good weight to strength ratio? Hollow or sol...read more
ACB breaker and there function and name of internal part and there working vcb ...read more

How long is the L&T Defence interview process?

The duration of L&T Defence interview process can vary, but typically it takes about less than 2 weeks to complete.

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L&T Defence Interview Questions, Process, and Tips

Top L&T Defence Interview Questions and Answers

L&T Defence Interview Experiences

26 interviews found

(5 Questions)

(1 Question)

Interview Preparation Tips

Skills evaluated in this interview

Production Manager Interview Questions asked at other Companies

(2 Questions)

(2 Questions)

(2 Questions)

Engineer Interview Questions asked at other Companies

(1 Question)

Maintenance Technician Interview Questions asked at other Companies

(5 Questions)

Skills evaluated in this interview

Data Entry Operator Interview Questions asked at other Companies

(4 Questions)

Interview Preparation Tips

Apprentice Trainee Interview Questions asked at other Companies

(4 Questions)

Interview Preparation Tips

Skills evaluated in this interview

Data Science Engineer Interview Questions asked at other Companies

(6 Questions)

Interview Preparation Tips

Production Engineer Interview Questions asked at other Companies

(2 Questions)

Interview Preparation Tips

Intern Interview Questions asked at other Companies

Interview Preparation Tips

Pget Interview Questions asked at other Companies

(5 Questions)

Interview Preparation Tips

Service Engineer Interview Questions asked at other Companies

(1 Question)

Production & Testing Engineer Interview Questions asked at other Companies

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