Civil Guruji Civil Site Engineer Interview Questions and Answers for Experienced

BBS (Bar Bending Schedule) is a detailed list of reinforcement bars required for construction, including their dimensions and quantities.

• Identify the structural elements (beams, columns, slabs) requiring reinforcement.

• Calculate the total length of each type of bar needed based on design drawings.

• Determine the diameter and grade of the bars as specified in the design.

• List the cut lengths of bars, accounting for bends an...read more

To check concrete material, assess its quality through tests for strength, workability, and composition.

• Conduct a slump test to measure workability and consistency of fresh concrete.

• Perform a compressive strength test using concrete cubes or cylinders after curing.

• Check for proper grading and cleanliness of aggregates used in the mix.

• Verify the water-cement ratio to ensure durability and strength.

• Inspect for any signs ...read more

Quantity surveying involves estimating material quantities and costs for construction projects.

• Identify project scope and specifications.

• Measure quantities from drawings (e.g., using scale rulers).

• Use standard methods of measurement (SMM) for consistency.

• Calculate costs based on material prices and labor rates.

• Prepare a bill of quantities (BoQ) for tendering.

Surveying is the science of measuring distances, angles, and elevations to determine land boundaries and create maps.

• Types of surveys include land surveys, topographic surveys, and construction surveys.

• Land surveys establish property boundaries, often using tools like theodolites.

• Topographic surveys map the terrain, showing elevation changes and natural features.

• Construction surveys ensure that structures are built in ...read more

Unit conversion is crucial for accurate measurements, ensuring safety, compliance, and effective communication in engineering projects.

• Ensures accurate calculations: For example, converting feet to meters for precise structural dimensions.

• Facilitates compliance with standards: Many engineering codes require specific units, like converting psi to pascals.

• Enhances communication: Engineers from different regions may use d...read more

Center line layout is a method used in construction to establish the precise location of structural elements.

• It involves marking the center lines of walls, columns, and other structural components on the ground.

• This layout ensures accurate alignment and spacing of elements during construction.

• For example, in a building, center lines help in positioning walls relative to each other.

• It is crucial for maintaining symmetry...read more

The foundation process involves site preparation, excavation, and construction of a stable base for structures.

• Site Investigation: Assess soil type and load-bearing capacity.

• Excavation: Digging to the required depth based on design specifications.

• Foundation Types: Choose between shallow (e.g., spread footings) or deep foundations (e.g., piles) based on soil conditions.

• Formwork: Construct temporary molds for concrete pl...read more

BBS stands for Bar Bending Schedule. One way slab is supported on two opposite sides only, while two way slab is supported on all four sides.

• BBS is a detailed list of reinforcement bars in a structure

• One way slab is supported on two opposite sides only

• Two way slab is supported on all four sides

Unit weight of 12mm diameter bar is calculated using the formula: Unit weight = (d^2/162) kg/m, where d is the diameter of the bar in mm.

• Calculate the cross-sectional area of the bar using the formula: Area = π*(d^2)/4

• Convert the diameter from mm to m by dividing by 1000

• Calculate the unit weight using the formula: Unit weight = (Area * length) * density

• For example, for a 12mm diameter bar with a length of 1m and densit...read more

Slump test is a method to measure the workability of concrete by determining the consistency and stiffness of the mix.

• Involves filling a cone-shaped mold with concrete, then lifting the mold to see how much the concrete slumps or settles

• Helps determine if the concrete mix is suitable for the construction project

• Results can indicate if more water or additives are needed to adjust the mix

• Commonly used in construction ind...read more

Cube test is a method used to determine the compressive strength of concrete by testing cubes of concrete in a laboratory.

• Cube test involves casting cubes of concrete and curing them for a specified period of time.

• The cubes are then tested in a compression testing machine to determine the maximum load they can withstand before failure.

• The compressive strength of the concrete is calculated based on the maximum load appl...read more

Density of steel is approximately 7850 kg/m^3.

• Density of steel is commonly expressed in kilograms per cubic meter (kg/m^3).

• The density of steel is approximately 7850 kg/m^3.

• Density can vary slightly depending on the type of steel and its composition.