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Larsen & Toubro
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Larsen & Toubro Limited Site Engineer Interview Questions and Answers
16 Interview questions
The weight of one meter steel bar can be calculated using a specific formula.
The formula to calculate the weight of one meter steel bar is: Weight = (D^2/162) * L, where D is the diameter of the steel bar in mm and L is the length of the steel bar in meters.
To calculate the weight of one meter steel bar, you need to know the diameter of the steel bar and the density of steel (which is 7850 kg/m^3).
For example, if ...
A stater is a unit of weight used in ancient Greece for coins.
Staters were typically made of silver or gold.
The most famous stater is the Athenian silver tetradrachm, featuring the owl of Athena.
Staters were used as a form of currency in ancient Greek city-states.
The quantity of bricks in 50 square meters depends on the size of the bricks and the thickness of the wall being built.
Calculate the area of the wall in square meters
Determine the size of the bricks being used (e.g. standard size is 0.22m x 0.1m x 0.07m)
Calculate the number of bricks needed by dividing the wall area by the area of one brick
Overlapping steel refers to the practice of placing steel bars on top of each other to increase strength and stability in construction.
Overlapping steel bars helps distribute loads evenly and prevent structural failure.
Properly overlapping steel bars is crucial for ensuring the structural integrity of a building.
Commonly used in reinforced concrete structures such as beams, columns, and slabs.
Overlap length and sp...
Curing is the process of maintaining moisture and temperature conditions in concrete for a specific period to ensure proper hydration and strength development.
Curing helps in preventing moisture loss from the concrete, which is essential for proper hydration.
It helps in maintaining the desired temperature for the chemical reactions to occur.
Curing enhances the strength, durability, and overall performance of the c...
Density of steel is approximately 7.85 g/cm^3
The density of steel is around 7.85 grams per cubic centimeter
Density can vary slightly depending on the specific type of steel
Steel is a commonly used material in construction and manufacturing due to its strength and durability
The weight of D32 steel bar is approximately 7.65 kg per meter.
The weight of D32 steel bar is calculated based on its dimensions and density
The density of steel is around 7.85 g/cm^3
To calculate the weight, you need to know the length of the bar
For example, a 1 meter long D32 steel bar would weigh approximately 7.65 kg
The density of cement is 1440kg/m3.
Density of cement is a measure of its mass per unit volume.
It is commonly expressed in kilograms per cubic meter (kg/m3).
The density of cement can vary slightly depending on the type and brand.
For example, Portland cement typically has a density of around 1506kg/m3.
M20 is a mix of concrete with a compressive strength of 20 megapascals.
M20 refers to the mix of concrete with a compressive strength of 20 megapascals.
It is commonly used in construction for residential buildings, pavements, and small-scale projects.
The mix ratio for M20 concrete is 1:1.5:3, which means 1 part cement, 1.5 parts sand, and 3 parts aggregate.
Cable trenches are needed to protect and organize cables, prevent damage, and allow for easy maintenance and repairs.
Protects cables from physical damage and environmental factors
Organizes cables for easy identification and maintenance
Facilitates easy access for repairs and upgrades
Helps in preventing tripping hazards
Ensures compliance with safety regulations and standards
Larsen & Toubro Limited Site Engineer Interview Experiences
27 interviews found
Anonymous
Selected
I applied via Job Fair and was interviewed in Oct 2024. There were 3 interview rounds.
(2 Questions)
- Q1. Columns staircase foundation
- Q2. Beam one way slab ,two way slav
- Ans.
One way slab is supported on two opposite sides, while two way slab is supported on all four sides.
One way slab is designed to carry loads predominantly in one direction.
Two way slab is designed to carry loads in both directions.
One way slab is more economical for smaller spans, while two way slab is more suitable for larger spans.
Examples: One way slab - balcony, corridor. Two way slab - office building, parking garag...
(2 Questions)
- Q1. Site related experience bracket wall
- Q2. Survey auto level total station
(2 Questions)
- Q1. Bbs, drawing reading
- Q2. Stairs drawing reading
Selected
I applied via Naukri.com and was interviewed in Mar 2024. There were 2 interview rounds.
Diploma in mechanical engineering thermal engineering or manufacturing
(7 Questions)
- Q1. Thermodynamics law
- Ans. 1st Law of Thermodynamics - Energy cannot be created or destroyed. 2nd Law of Thermodynamics - For a spontaneous process, the entropy of the universe increases. 3rd Law of Thermodynamics - A perfect crystal at zero Kelvin has zero entropy.
- Q2. Gear and type four stock and two stock
- Ans. The main difference between a 4-stroke engine and a 2-stroke engine is that a 4-stroke engine goes through four stages, or two complete revolutions, to complete one power stroke, while a 2-stroke engine goes through 2 stages, or one complete revolution, to complete one power stroke.
- Q3. Stress and strain or strain and stress graph
- Ans. The Stress-Strain curve is a type of graph plotted between “stress and strain”. This graph explains the relationship between “stress and strain” of different materials when tensile stress is applied to them. This curve is plotted on the basis of an experimental result.
- Q4. Types of mechanical properties
- Ans.
Mechanical properties refer to the behavior of materials under applied forces.
Strength - ability to withstand applied stress without failure
Hardness - resistance to deformation or scratching
Elasticity - ability to return to original shape after deformation
Ductility - ability to deform without breaking
Toughness - ability to absorb energy before fracturing
- Q5. Types of heat treatment
- Ans.
Heat treatment is a process used to alter the physical and sometimes chemical properties of a material through heating and cooling.
Annealing: heating a material to a specific temperature and then slowly cooling it to relieve internal stresses and increase ductility
Quenching: rapid cooling of a material to increase hardness
Tempering: heating a material to a specific temperature and then cooling it to improve toughness
No...
- Q6. Heat transfer and types
- Ans.
Heat transfer is the movement of heat from one object to another due to a temperature difference.
There are three main types of heat transfer: conduction, convection, and radiation.
Conduction is the transfer of heat through a material without any movement of the material itself.
An example of conduction is when a metal spoon in a hot cup of tea becomes hot.
Convection is the transfer of heat through the movement of fluids...
- Q7. Types of lathe machine
- Ans.
Types of lathe machines include engine lathe, turret lathe, and center lathe.
Engine lathe is the most common type used for general purpose turning.
Turret lathe has a turret tool post for quick tool changes.
Center lathe is used for precision work and has a tailstock for support.
Other types include automatic lathe, CNC lathe, and vertical lathe.
Selected
I appeared for an interview in Mar 2025, where I was asked the following questions.
- Q1. What are the key considerations in excavation for water supply installation?
- Q2. Excavation engineer
Chanakya Chanakya
(1 Question)
- Q1. How do you guys handle emergency situations?
- Ans.
We have a designated emergency response team trained to handle various emergency situations.
Designated emergency response team trained for various emergency scenarios
Regular emergency drills and training sessions to ensure preparedness
Established communication protocols to quickly coordinate response efforts
Access to emergency supplies and equipment for immediate assistance
Collaboration with local authorities and emerg...
Rahul Sharma
- Q1. Foundations: Be prepared to discuss different types of foundations (shallow, deep, spread, etc.) and their applications.
- Q2. Technical Skills & Knowledge: Foundations:
- Q3. Structural Integrity:
- Q4. Challenges Faced:
- Q5. Environmental Assessments:
- Q6. Project Experience & Skills:
Selected
I applied via Approached by Company and was interviewed in Nov 2023. There was 1 interview round.
(6 Questions)
- Q1. Different types of mix design ?
- Ans.
Different types of mix design include nominal mix, standard mix, and design mix.
Nominal mix design involves using standard ratios without testing.
Standard mix design follows specific guidelines and proportions.
Design mix design is customized based on specific project requirements.
Examples: M20, M30, M40 mixes.
- Q2. Overlaping steel?
- Ans.
Overlapping steel refers to the practice of placing steel bars on top of each other to increase strength and stability in construction.
Overlapping steel bars helps distribute loads evenly and prevent structural failure.
Properly overlapping steel bars is crucial for ensuring the structural integrity of a building.
Commonly used in reinforced concrete structures such as beams, columns, and slabs.
Overlap length and spacing...
- Q3. Soil Compaction test
- Ans. Load bearing capacity of soli for any structural work test its density
- Q4. Ratio of mortar for plaster work
- Ans.
The ratio of mortar for plaster work is typically 1:3 to 1:6, depending on the type of surface and desired finish.
The most common ratio for plaster work is 1 part cement to 3 parts sand.
For a smoother finish, the ratio can be adjusted to 1 part cement to 4 or 5 parts sand.
In some cases, a 1:6 ratio (1 part cement to 6 parts sand) may be used for rough surfaces or base coats.
Water should be added gradually to achieve th...
- Q5. Quantity of brick in 50 squre meter
- Ans.
The quantity of bricks in 50 square meters depends on the size of the bricks and the thickness of the wall being built.
Calculate the area of the wall in square meters
Determine the size of the bricks being used (e.g. standard size is 0.22m x 0.1m x 0.07m)
Calculate the number of bricks needed by dividing the wall area by the area of one brick
- Q6. Bar bending schedule
Interview Preparation Tips
- Theory of sturucture
- Construction Management
Selected
(5 Questions)
- Q1. What is density of steel
- Ans.
Density of steel is approximately 7.85 g/cm^3
The density of steel is around 7.85 grams per cubic centimeter
Density can vary slightly depending on the specific type of steel
Steel is a commonly used material in construction and manufacturing due to its strength and durability
- Q2. What is defined M20
- Ans.
M20 is a mix of concrete with a compressive strength of 20 megapascals.
M20 refers to the mix of concrete with a compressive strength of 20 megapascals.
It is commonly used in construction for residential buildings, pavements, and small-scale projects.
The mix ratio for M20 concrete is 1:1.5:3, which means 1 part cement, 1.5 parts sand, and 3 parts aggregate.
- Q3. What is the weight of D32 steel baar
- Ans.
The weight of D32 steel bar is approximately 7.65 kg per meter.
The weight of D32 steel bar is calculated based on its dimensions and density
The density of steel is around 7.85 g/cm^3
To calculate the weight, you need to know the length of the bar
For example, a 1 meter long D32 steel bar would weigh approximately 7.65 kg
- Q4. What is density of cement Ans-1440kg/m3
- Ans.
The density of cement is 1440kg/m3.
Density of cement is a measure of its mass per unit volume.
It is commonly expressed in kilograms per cubic meter (kg/m3).
The density of cement can vary slightly depending on the type and brand.
For example, Portland cement typically has a density of around 1506kg/m3.
- Q5. What is ratio of M25 grade concrete? Ans-1:1:2
- Ans.
The ratio of M25 grade concrete is 1:1:2, which means 1 part cement, 1 part sand, and 2 parts aggregate.
M25 grade concrete has a ratio of 1:1:2 for cement, sand, and aggregate respectively
This ratio indicates the proportion of each ingredient in the concrete mix
For example, for every 1 bag of cement, 1 cubic foot of sand and 2 cubic feet of aggregate are used
(2 Questions)
- Q1. What is stater ?
- Ans.
A stater is a unit of weight used in ancient Greece for coins.
Staters were typically made of silver or gold.
The most famous stater is the Athenian silver tetradrachm, featuring the owl of Athena.
Staters were used as a form of currency in ancient Greek city-states.
- Q2. How calculate weight of one meter steel bar formula ?
- Ans.
The weight of one meter steel bar can be calculated using a specific formula.
The formula to calculate the weight of one meter steel bar is: Weight = (D^2/162) * L, where D is the diameter of the steel bar in mm and L is the length of the steel bar in meters.
To calculate the weight of one meter steel bar, you need to know the diameter of the steel bar and the density of steel (which is 7850 kg/m^3).
For example, if the d...
Interview Preparation Tips
Selected
I applied via Campus Placement and was interviewed in Sep 2023. There were 3 interview rounds.
The duration of the aptitude test was 120 minutes (2 hrs), for 130 questions (including 100 Logical Reasoning, Verbal ability, Quantitative Ability and other 30 questions from TECHNICAL DOMAIN), Mine was Civil Background. Technical Questions were quite moderate to tough. Whereas, first 100 questions of LR, VA, Quant was quite easy and short.
(1 Question)
- Q1. Technical interview mostly revolved around internships and College Projects that we did. Very few Structural design questions and 1 or 2 from soil mech.
(2 Questions)
- Q1. Based mainly on you CGPA, If CGPA is above 9, chances are quite high for getting selected, even if interview doesn't go well. (This was my case, I had CGPA of 9.56)
- Q2. About Family background, future plans, Why not M.Tech after Btech?
Interview Preparation Tips
- Strength of Materials
- Soil Mechanics
- Transportation
- Concrete
Selected
I applied via Company Website and was interviewed in Aug 2023. There was 1 interview round.
(5 Questions)
- Q1. Deptt. Interview
- Q2. Only E&M (OHE )
- Q3. Material & Erection knowledge
- Q4. Adjustment and sed checking
- Q5. Earthing & Bonding
Interview Preparation Tips
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Larsen & Toubro Limited Interview FAQs
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Larsen & Toubro Limited Site Engineer Reviews and Ratings
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