L&T Construction Civil Site Engineer Interview Questions, Process, and Tips

Q1. Building construction
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Q2. Site engineer civil
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Q1. How to find dry density at field
Ans. 
Dry density at field can be found using the sand replacement method.
• Use sand replacement method to find the volume of the hole

• Calculate the weight of the excavated soil

• Divide the weight of soil by the volume of the hole to get the dry density

• Dry density = Weight of soil / Volume of hole
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Q2. What is full form of OMC
Ans. 
OMC stands for Optimum Moisture Content.
• OMC is the moisture content at which a soil becomes most workable for compaction.

• It is an important parameter in soil mechanics and geotechnical engineering.

• OMC is determined through laboratory tests like Proctor compaction test.

• Knowing the OMC helps in achieving the desired level of compaction for construction projects.
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Can you describe your experience with major civil engineering projects?How do you approach the planning and design phase of a civil engineering project?What software tools are you proficient in for structural analysis and design?How do you ensure compliance with building codes and regulations in your projects?Can you provide an example of a challenge you faced on a project and how you overcame it?What role do sustainability and environmental considerations play in your design process?How do you manage and coordinate with multidisciplinary teams on construction projects?Can you explain your approach to cost estimation and budget management in civil engineering projects?What safety measures do you prioritize on construction sites, and how do you enforce them?How do you stay updated on the latest developments and trends in the field of civil engineering?

Q1. Sure, here's a technical civil engineering question:Explain the process and considerations involved in determining the bearing capacity of soil for a foundation design.
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Q1. Type of foundation
Ans. 
Different types of foundations include shallow foundations, deep foundations, and special foundations.
• Shallow foundations are typically used for light structures and consist of spread footings, mat foundations, and slab-on-grade foundations.

• Deep foundations are used when the soil near the surface is not suitable for supporting the structure's load. Examples include pile foundations and drilled shafts.

• Special foundation...read more
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Q1. What is the construction materials
Ans. 
Construction materials are substances used for building and construction purposes.
• Common construction materials include concrete, steel, wood, brick, and asphalt.

• Each material has specific properties and uses in construction projects.

• Materials must meet certain standards and regulations for safety and durability.

• Selection of materials depends on factors like cost, availability, and project requirements.
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Q2. Disscus the foundation
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Q3. What is the railway guage
Ans. 
The railway gauge is the distance between the inner sides of the two parallel rails on a railway track.
• Standard gauge is 1435 mm (4 ft 8 1/2 in) used in most of the world

• Narrow gauge is less than standard gauge, used in mountainous regions or for heritage railways

• Broad gauge is wider than standard gauge, used in some countries like India and Russia
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Q4. Types of sleepers
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Sleepers are structural elements used to support railway tracks. Types include wooden, concrete, steel, and composite sleepers.
• Wooden sleepers are traditional and cost-effective but require frequent maintenance.

• Concrete sleepers are durable and have a longer lifespan compared to wooden sleepers.

• Steel sleepers are used in special applications where high strength and durability are required.

• Composite sleepers are a newer...read more
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Q5. Explain Railway point and crossing
Ans. 
Railway point and crossing are components of railway tracks that allow trains to switch between different tracks.
• Railway points are movable rails that allow trains to switch from one track to another.

• Crossings are where two tracks intersect, allowing trains to cross over from one track to another.

• Points and crossings are essential for ensuring smooth and safe operation of trains on railway networks.
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Q6. Explain in railway budget
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Railway budget is the financial plan specifically for the development and maintenance of railway infrastructure.
• Railway budget allocates funds for various projects such as new railway lines, station upgrades, and safety improvements.

• It also includes provisions for modernization of railway systems, procurement of new rolling stock, and implementation of technology upgrades.

• The budget is crucial for ensuring the efficien...read more
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Q7. Explain in railway ballast
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Railway ballast is a layer of crushed rock or gravel placed beneath the tracks to provide stability and drainage.
• Railway ballast is typically made of crushed stone or gravel.

• It is placed beneath the railway tracks to provide stability and support.

• Ballast helps to distribute the weight of the trains and prevent the tracks from shifting.

• It also helps with drainage to prevent water from pooling on the tracks.

• Regular maint...read more
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Q1. What is BBS and how is it used?
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Q1. What is the concrete compensation what percentage
Ans. 
Concrete compensation percentage varies based on factors like experience, location, and company size.
• Concrete compensation percentage can range from 5% to 20% of the total project cost.

• Factors influencing concrete compensation percentage include experience level of the engineer, location of the project, and size of the company.

• For example, a junior civil site engineer may receive a lower percentage compared to a senior...read more
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Q2. What is the concrete seting
Ans. 
Concrete setting is the process in which concrete hardens and gains strength over time.
• Concrete setting is the transformation of concrete from a plastic state to a hardened state.

• It involves a chemical reaction called hydration, where water reacts with the cement in the concrete mixture.

• The setting time of concrete can vary depending on factors like temperature, humidity, and mix design.

• Proper curing is essential to en...read more
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Q3. What is column cover size
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Column cover size refers to the dimensions of the material used to cover or encase a structural column.
• Column cover size is typically specified in terms of width, depth, and height.

• It is important to consider the aesthetic and functional requirements when determining the column cover size.

• Examples of column cover materials include metal, wood, stone, or composite materials.

• Column cover size can vary depending on the de...read more
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Q4. What is size of parapet wall
Ans. 
The size of a parapet wall can vary depending on the specific design requirements and building codes.
• The typical height of a parapet wall is around 3 feet, but it can be higher for safety reasons or aesthetic purposes.

• The thickness of a parapet wall is usually around 8 inches to provide structural support.

• The length of a parapet wall will depend on the length of the building facade it is protecting.

• Parapet walls can be...read more
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Q5. What is the concrete ratio .very nic grade
Ans. 
Concrete ratio is the proportion of cement, sand, and aggregate in a concrete mix.
• Concrete ratio is typically expressed as a ratio of cement:sand:aggregate, such as 1:2:4.

• The ratio may vary depending on the strength and durability requirements of the concrete mix.

• Common concrete ratios include 1:1.5:3, 1:2:4, and 1:3:6.

• The grade of concrete (e.g. M20, M25) also determines the concrete ratio.
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Q6. What is the beam cover
Ans. 
Beam cover is the distance between the outer face of the concrete beam and the outer face of the column or slab.
• Beam cover is important for protecting the reinforcement bars from corrosion and fire damage.

• It also helps in providing adequate strength and durability to the structure.

• The beam cover requirement may vary based on the type of structure and environmental conditions.

• For example, in coastal areas where there is...read more
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