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Larsen & Toubro Limited Demonstrator Interview Questions, Process, and Tips

Updated 12 Oct 2024

Larsen & Toubro Limited Demonstrator Interview Experiences

1 interview found

Demonstrator Interview Questions & Answers

user image Anonymous

posted on 16 Nov 2023

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 

(10 Questions)

  • Q1. What is the difference between a one-way slab and a two-way slab in terms of design and load distribution?
  • Ans. 

    One-way slabs distribute load primarily in one direction, while two-way slabs distribute load in two directions.

    • One-way slabs are designed to span in only one direction, typically supported on two opposite sides. They distribute load primarily in one direction.

    • Two-way slabs are designed to span in two directions, supported on all four sides. They distribute load in both directions, providing more balanced load distribu...

  • Answered by AI
  • Q2. Explain the concept of moment of inertia and its significance in structural engineering
  • Ans. 

    Moment of inertia is a measure of an object's resistance to changes in its rotation. It is crucial in structural engineering for analyzing the stiffness and stability of structures.

    • Moment of inertia quantifies how mass is distributed around an axis of rotation

    • It plays a key role in determining the bending and deflection of beams

    • Higher moment of inertia indicates greater resistance to bending and deformation

    • Used in calc...

  • Answered by AI
  • Q3. What is the difference between reinforced concrete and prestressed concrete?
  • Ans. 

    Reinforced concrete has steel bars embedded within the concrete to provide additional strength, while prestressed concrete has tensioned steel tendons to actively counteract the concrete's natural tendency to crack under load.

    • Reinforced concrete uses passive reinforcement in the form of steel bars or mesh, while prestressed concrete uses active reinforcement in the form of tensioned steel tendons.

    • In reinforced concrete...

  • Answered by AI
  • Q4. How do you calculate the quantity of cement, sand, and aggregates required for 1 cubic meter of concrete?
  • Ans. 

    The quantity of cement, sand, and aggregates for 1 cubic meter of concrete can be calculated by using the mix design ratios.

    • Calculate the total volume of concrete needed (1 cubic meter).

    • Determine the mix design ratios for the concrete (e.g. 1:2:4 for cement:sand:aggregates).

    • Calculate the quantity of each material by multiplying the volume by the ratio (e.g. for 1:2:4, 1/7 cubic meters of cement, 2/7 cubic meters of san

  • Answered by AI
  • Q5. Describe the process of a slump test and its importance in concrete work.
  • Ans. 

    Slump test is a method to measure the consistency of concrete mix before it sets.

    • Process involves filling a mold with concrete, then removing the mold and measuring the amount of slump or settlement

    • Importance lies in ensuring the concrete mix has the right consistency for proper construction

    • Results of the test help determine if more water or additives are needed to achieve desired strength and workability

  • Answered by AI
  • Q6. What are the primary causes of cracks in concrete structures, and how can they be prevented?
  • Ans. 

    Primary causes of cracks in concrete structures include shrinkage, thermal changes, overloading, and poor construction practices.

    • Shrinkage: Concrete shrinks as it cures, leading to cracks if not properly controlled.

    • Thermal changes: Temperature fluctuations can cause concrete to expand and contract, leading to cracks.

    • Overloading: Excessive weight or stress on a concrete structure can cause it to crack.

    • Poor construction ...

  • Answered by AI
  • Q7. Explain the working principle of a cantilever beam and where it is typically used in construction.
  • Ans. 

    A cantilever beam is a structural element supported at only one end, with the other end free to deflect. It is commonly used in construction for balconies, bridges, and canopies.

    • A cantilever beam is a structural element that is fixed at one end and free to deflect at the other end

    • It is commonly used in construction for balconies, bridges, and canopies

    • The working principle involves the transfer of load from the free end...

  • Answered by AI
  • Q8. What is the significance of water-cement ratio in concrete mix design?
  • Ans. 

    Water-cement ratio in concrete mix design affects the strength, durability, workability, and permeability of the concrete.

    • Water-cement ratio determines the amount of water needed to fully hydrate the cement in the concrete mix.

    • A lower water-cement ratio leads to higher strength and durability of the concrete.

    • An excessive water-cement ratio can result in lower strength, increased permeability, and reduced durability.

    • Pro...

  • Answered by AI
  • Q9. How do you ensure the safety and stability of scaffolding in high-rise construction projects?
  • Ans. 

    Safety and stability of scaffolding in high-rise construction projects are ensured through proper inspection, training, and adherence to regulations.

    • Regular inspections of scaffolding to identify any defects or weaknesses

    • Ensuring scaffolding is set up by trained and certified professionals

    • Following safety regulations and guidelines for scaffolding usage

    • Using high-quality materials for scaffolding construction

    • Implementi...

  • Answered by AI
  • Q10. What are the different types of retaining walls and their applications in civil engineering projects?
  • Ans. 

    Different types of retaining walls include gravity walls, cantilever walls, sheet pile walls, and anchored walls.

    • Gravity walls rely on their weight to resist pressure from soil behind them.

    • Cantilever walls have a base slab and a stem that leans back into the retained soil.

    • Sheet pile walls are made of steel, vinyl, or wood planks that are driven into the ground.

    • Anchored walls use cables or other stays anchored in the ro...

  • Answered by AI

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Round 2 - Behavioral 

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Round 3 - HR 

(1 Question)

  • Q1. If you give them little room then they will convert that into an opportunity and bargain with you. Ask them about the variable component because they will not tell you and it will have great impact on in-h...

Interview Preparation Tips

Interview preparation tips for other job seekers - Generic interview process but don't expect much as they want to get an employee with lowest compensation possible.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Mar 2023. There was 1 interview round.

Round 1 - HR 

(1 Question)

  • Q1. Introduction ,current job profile ,Current CTC ,expected CTC
Interview experience
1
Bad
Difficulty level
-
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 - Technical 

(1 Question)

  • Q1. Technical, personal questions
Round 3 - HR 

(1 Question)

  • Q1. Personal questions , about experience

Interview Preparation Tips

Interview preparation tips for other job seekers - Not bad
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Do not use an unprofessional email address such as cool_boy@email.com. It shows a lack of professionalism by the candidate.
View all tips
Round 2 - HR 

(1 Question)

  • Q1. Comfortable for job location and salary structure required
Round 3 - Technical 

(1 Question)

  • Q1. What kind of job experience you have

Interview Preparation Tips

Interview preparation tips for other job seekers - No comments
Interview experience
2
Poor
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed before Oct 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Be honest with your years of experience. All information you share will be verified at the time of joining.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Basicaly ur experience and some topics of mechanical engineering
Round 3 - vertical interview 

(1 Question)

  • Q1. Basicaly above the experience
Round 4 - HR 

(1 Question)

  • Q1. Negotiation for salary and family background

Interview Preparation Tips

Interview preparation tips for other job seekers - for experience persion not worried because questions comes only practical work
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 in Oct 2022. There were 3 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 tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Site Engineering and Code Books
  • Q2. Quality related questions
Round 3 - Group Discussion 

Technical questions about Construction engineering..

Interview Preparation Tips

Interview preparation tips for other job seekers - Before go for your interview pls prepare all relavent code books...
Interview experience
4
Good
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before May 2023. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. What is class type 22
  • Ans. 

    Class type 22 refers to a specific category or classification within a system or framework.

    • Class type 22 may refer to a specific type of product or service offered by a company.

    • It could also be a classification used in a particular industry or field.

    • In some cases, class type 22 may be a code or identifier used for organizational purposes.

  • Answered by AI

Interview Questionnaire 

4 Questions

  • Q1. What is Google sheets
  • Ans. 

    Google Sheets is a cloud-based spreadsheet program offered by Google as part of the Google Drive office suite.

    • Allows users to create and edit spreadsheets online

    • Offers collaboration features for real-time editing and commenting

    • Can import and export various file formats, including Microsoft Excel

    • Offers add-ons and scripts for automation and customization

    • Accessible from any device with internet connection

  • Answered by AI
  • Q2. What is the MDD & OMC of soil
  • Ans. 

    MDD & OMC are important parameters for soil compaction and moisture content.

    • MDD stands for Maximum Dry Density, which is the maximum density that can be achieved for a given soil compaction effort.

    • OMC stands for Optimum Moisture Content, which is the moisture content at which the maximum dry density can be achieved.

    • These parameters are important for determining the appropriate moisture content and compaction effort for...

  • Answered by AI
  • Q3. What is the velocity of steel
  • Ans. 

    The velocity of steel varies depending on the type and conditions.

    • The velocity of steel can range from 5000 to 6000 meters per second

    • The velocity of steel can be affected by factors such as temperature and pressure

    • The velocity of steel is important in industries such as construction and manufacturing

  • Answered by AI
  • Q4. What is the cube test result in 7 days
  • Ans. 

    The cube test result in 7 days depends on the purpose of the test and the specific cube being tested.

    • The cube test can refer to various tests in different fields such as construction, engineering, and materials science.

    • For example, in construction, the cube test is used to determine the compressive strength of concrete cubes after 7 days of curing.

    • The result of the cube test can vary depending on factors such as the ty...

  • Answered by AI

Skills evaluated in this interview

Interview Questionnaire 

15 Questions

  • Q1. What is pile?
  • Ans. 

    A pile is a long, cylindrical structure made of materials such as concrete, steel, or wood, used to support heavy loads.

    • Piles are commonly used in construction to support buildings, bridges, and other structures.

    • They are driven or drilled into the ground to provide stability and prevent settling or shifting.

    • Different types of piles include timber, concrete, steel, and composite piles.

    • Pile foundations are often used in ...

  • Answered by AI
  • Q2. What is vertical load test of pile ?
  • Ans. 

    Vertical load test of pile is a test to determine the load carrying capacity of a pile.

    • A vertical load is applied to the pile using a hydraulic jack or a reaction frame.

    • The load is increased until the pile reaches its ultimate capacity or a predetermined limit.

    • The test helps in determining the pile's load settlement behavior and its ultimate bearing capacity.

    • The test is commonly used in the construction industry to ens...

  • Answered by AI
  • Q3. What is the lateral load test of pile ?
  • Ans. 

    Lateral load test of pile is a test to determine the lateral capacity of a pile.

    • It involves applying a horizontal load to the pile and measuring the deflection.

    • The test is conducted by using a hydraulic jack or a reaction frame.

    • The lateral load test helps in determining the lateral load capacity of the pile.

    • The test results are used to design the foundation of the structure.

    • The lateral load test is important for struct...

  • Answered by AI
  • Q4. IS code Vertical load test of pile ?
  • Ans. 

    Yes

    • Yes, there is an IS code for vertical load test of piles.

    • The relevant IS code is IS 2911 (Part 4): 2013 - 'Design and construction of pile foundations - Load test on piles'.

    • This code provides guidelines for conducting vertical load tests on piles to determine their load-carrying capacity and performance.

    • The code covers various aspects such as test setup, instrumentation, loading procedures, acceptance criteria, and ...

  • Answered by AI
  • Q5. Why I do vertical load test of pile ?
  • Ans. 

    Vertical load test of pile is done to determine the load carrying capacity of the pile.

    • To ensure the pile can support the intended load

    • To determine the settlement of the pile under load

    • To verify the design assumptions

    • To assess the quality of the pile installation

    • Examples: bridge piers, high-rise buildings, transmission towers

  • Answered by AI
  • Q6. Vertical load test procedure ?
  • Ans. 

    Vertical load test is a procedure to determine the load-bearing capacity of a structure.

    • The test involves applying a vertical load to the structure and measuring the resulting deflection.

    • The load is gradually increased until the structure reaches its maximum load-bearing capacity.

    • The test can be performed using hydraulic jacks, weights, or other equipment.

    • The results of the test are used to ensure the safety and stabil...

  • Answered by AI
  • Q7. Lateral load test procedure ?
  • Ans. 

    Lateral load test is a procedure to determine the strength and stability of a structure against horizontal forces.

    • The test involves applying a horizontal force to the structure and measuring its response.

    • The force is usually applied using hydraulic jacks or a reaction frame.

    • The test is performed on a representative section of the structure, such as a column or a wall.

    • The results of the test are used to verify the desig...

  • Answered by AI
  • Q8. What is the SPT test of soil ?
  • Ans. 

    SPT test is a standard penetration test used to determine the soil's resistance to penetration.

    • SPT test involves driving a standard sampler into the soil using a hammer of standard weight and height.

    • The number of blows required to drive the sampler a certain distance is recorded as the SPT N-value.

    • SPT test is commonly used in geotechnical engineering to determine soil properties such as shear strength and bearing capac...

  • Answered by AI
  • Q9. What is MPR ,WPR , DPR ?
  • Ans. 

    MPR, WPR, and DPR are acronyms used in various fields to represent different concepts.

    • MPR stands for Monthly Progress Report, which is a document that provides an overview of the progress made during a specific month.

    • WPR stands for Weekly Progress Report, which is a document that highlights the progress made on a weekly basis.

    • DPR stands for Daily Progress Report, which is a document that summarizes the daily progress m...

  • Answered by AI
  • Q10. BBS calculation of pile ?
  • Ans. 

    BBS calculation is a method used to determine the reinforcement required for a pile.

    • BBS stands for Bar Bending Schedule.

    • It involves calculating the length and number of steel bars required for the pile.

    • Factors such as load capacity, soil type, and pile diameter are taken into consideration.

    • The BBS is used to ensure the pile can withstand the required load and prevent failure.

  • Answered by AI
  • Q11. How meny test of pile ?
  • Ans. 

    The number of tests required for a pile depends on various factors such as the type of pile, soil conditions, and project requirements.

    • The number of tests can range from one to several depending on the project.

    • Common tests for piles include static load tests, dynamic load tests, and integrity tests.

    • Factors such as pile length, diameter, and soil type can affect the number of tests required.

    • The project specifications an...

  • Answered by AI
  • Q12. What is the cut off level of pile ?
  • Ans. 

    The cut off level of pile depends on various factors such as soil type, load capacity, and design requirements.

    • The cut off level of pile is the depth at which the pile is embedded into the ground.

    • It is determined by the soil type and load capacity of the ground.

    • The design requirements of the structure being built also play a role in determining the cut off level of pile.

    • For example, if the structure requires a deeper f...

  • Answered by AI
  • Q13. Minimum distance of detume bar of pile vertical load test ?
  • Ans. 

    The minimum distance of detume bar of pile vertical load test is typically 2.5 times the diameter of the pile.

    • The detume bar is used to measure the settlement of the pile during the load test.

    • The minimum distance is important to ensure accurate measurement of the pile settlement.

    • The distance is typically 2.5 times the diameter of the pile, but may vary depending on the specific test requirements.

    • If the distance is too ...

  • Answered by AI
  • Q14. Why I do dynamic load test of pile ?
  • Ans. 

    Dynamic load test of pile is done to assess its load carrying capacity and integrity.

    • To ensure the pile can withstand the expected load and prevent failure

    • To determine the pile's ultimate bearing capacity

    • To assess the pile's integrity and detect any defects or damage

    • To verify the design assumptions and optimize the foundation design

    • Examples: bridge piers, tall buildings, wind turbines, etc.

  • Answered by AI
  • Q15. Why I do integrity test of pile ?
  • Ans. 

    Integrity test of pile is done to ensure the pile is structurally sound and can bear the required load.

    • To ensure the pile is not damaged during installation

    • To check if the pile is free from any defects or cracks

    • To verify if the pile can bear the required load

    • To ensure the safety of the structure and its occupants

    • Examples: Sonic Integrity Testing, Crosshole Sonic Logging, etc.

  • Answered by AI

Skills evaluated in this interview

Larsen & Toubro Limited Interview FAQs

How many rounds are there in Larsen & Toubro Limited Demonstrator interview?
Larsen & Toubro Limited interview process usually has 2 rounds. The most common rounds in the Larsen & Toubro Limited interview process are Resume Shortlist and Technical.
What are the top questions asked in Larsen & Toubro Limited Demonstrator interview?

Some of the top questions asked at the Larsen & Toubro Limited Demonstrator interview -

  1. What is the difference between a one-way slab and a two-way slab in terms of de...read more
  2. How do you calculate the quantity of cement, sand, and aggregates required for ...read more
  3. What are the different types of retaining walls and their applications in civil...read more

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Larsen & Toubro Limited Demonstrator Interview Process

based on 1 interview

Interview experience

5
  
Excellent
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Larsen & Toubro Limited Demonstrator Salary
based on 6 salaries
₹3 L/yr - ₹3.6 L/yr
31% less than the average Demonstrator Salary in India
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Larsen & Toubro Limited Demonstrator Reviews and Ratings

based on 3 reviews

4.1/5

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4.5

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4.5

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3.5

Salary

3.6

Job security

3.6

Company culture

3.6

Promotions

4.1

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