700+ Site Engineer Interview Questions and Answers

Sample interview questions for Site Engineer position

• BBS calculation of slab involves calculating the number of steel bars required for the slab based on the design specifications

• Staircase riser and tread dimensions are determined based on the height of the floor and the desired slope of the staircase

• Types of cement include Ordinary Portland Cement, Rapid Hardening Cement, and Sulphate Resisting Cement

• Full form of TMT is Thermo-Mechanically Treated, PCC is Plain Cement Concre...read more

Rolling margin is the difference between the actual thickness and the minimum thickness of a steel plate.

• Rolling margin is a term used in the steel industry to measure the thickness of a steel plate.

• It is the difference between the actual thickness and the minimum thickness of the plate.

• The rolling margin is important because it affects the strength and durability of the steel.

• For example, if the rolling margin is too small, the steel may be weaker and more prone to failure.

• O...read more

Answers to questions related to steel structure design and codes.

• ASD stands for Allowable Stress Design in steel design.

• Special considerations in steel structure include fire resistance, corrosion protection, and seismic design.

• The objective of design in steel structure is to ensure safety, functionality, and economy.

• The code used for steel structure design varies by country, such as AISC in the US and Eurocode in Europe.

• Structural steel members include beams, columns, trusse...read more

The type of pipe line and its standards depend on the specific project requirements and industry standards.

• The type of pipe line can vary based on the material being transported, such as water, gas, oil, etc.

• Common types of pipe lines include water supply lines, sewer lines, natural gas lines, oil pipelines, etc.

• The standards followed for pipe lines depend on the country, industry, and specific project requirements.

• Some commonly followed pipe line standards include ASTM (Amer...read more

Bricks are wet during brick work to prevent them from absorbing water from the mortar too quickly.

• Wet bricks prevent the mortar from drying out too quickly, which can weaken the bond between the bricks and the mortar.

• Wet bricks also help to prevent efflorescence, a white powdery substance that can form on the surface of bricks due to the migration of salts.

• Bricks should be dampened, not soaked, before use.

• The amount of water used to wet the bricks should be carefully controll...read more

To check column beam reinforcement and slab design on site, follow these steps:

• Review the structural drawings and specifications to understand the design requirements

• Inspect the reinforcement bars for proper placement, size, and spacing

• Check the concrete cover thickness to ensure it meets the design requirements

• Verify the alignment and verticality of columns and beams using plumb bobs or laser levels

• Measure the dimensions of the slab to confirm it matches the design

• Check for ...read more

Steel structure design involves the planning and creation of steel-based frameworks for buildings and other structures.

• Steel structure design refers to the process of creating frameworks for buildings and other structures using steel.

• The steel used in structure design can vary in type and quality depending on the specific needs of the project.

• There are three main design methods used in steel structure design: ASD (Allowable Stress Design), LRFD (Load and Resistance Factor Des...read more

A Site Engineer interview with questions on IS codes, floor drop, gypsum activity, waterproofing, kitchen platform size, safety measures, and more.

• IS codes: IS 456, IS 800, IS 1200, IS 383, IS 10262

• Floor drop: The difference in height between two adjacent floors

• Gypsum activity procedure: Mixing gypsum powder with water to form a paste and applying it to the surface

• Waterproofing procedure: Applying a waterproofing membrane or coating to prevent water penetration

• Kitchen platfor...read more

The thickness of compreg ply varies depending on its intended use and application. Its size can also vary depending on the manufacturer and customer requirements.

• The thickness of compreg ply can range from 3mm to 25mm or more

• The size of compreg ply can vary from 4ft x 8ft to 5ft x 10ft or more

• The thickness and size of compreg ply can be customized based on the specific requirements of the project

• Compreg ply is commonly used in construction, furniture making, and other applica...read more

The ratio of M 25 used in the project is 1:1:2.

• The ratio of M 25 concrete is 1 part cement, 1 part fine aggregates, and 2 parts coarse aggregates.

• This ratio ensures the desired strength and durability of the concrete mix.

• For example, if we need to prepare 1 cubic meter of M 25 concrete, we would use 350 kg of cement, 350 kg of fine aggregates, and 700 kg of coarse aggregates.

Density of materials: Steel - 7850 kg/m3, Concrete - 2400 kg/m3, Sand - 1600 kg/m3

• Density of steel is higher than that of concrete and sand

• Density of concrete varies depending on the mix design

• Density of sand can vary depending on the source and moisture content

M20 is a grade of concrete used in construction. Steel types include mild steel, high tensile steel, and stainless steel. Harbour topics may include dredging, breakwaters, and port design.

• M20 is a mix of concrete with a compressive strength of 20 MPa

• Mild steel is commonly used in construction for reinforcement

• High tensile steel has a higher strength and is used in structures with greater stress

• Stainless steel is corrosion-resistant and used in environments with high moisture ...read more

Answers to questions related to Site Engineer job interview.

• The minimum thickness of gusset plate depends on the load it needs to bear and the material used.

• Steel structure design involves the analysis and design of steel structures to ensure their safety and stability.

• FER steel structure is a type of steel structure that uses Fiber Reinforced Polymer (FRP) composites for reinforcement.

• ASD in steel design stands for Allowable Stress Design, which is a design method that uses ...read more

Civil engineers face challenges such as managing project budgets, dealing with environmental concerns, and ensuring structural integrity.

• Managing project budgets and ensuring cost-effective solutions

• Dealing with environmental concerns and implementing sustainable practices

• Ensuring structural integrity and safety of buildings and infrastructure

• Managing complex construction schedules and coordinating multiple stakeholders

• Adapting to changing regulations and codes

• Addressing comm...read more

The permetric weight of 25mm reinforcement can be found using the formula: weight = (d^2/162) * L, where d is the diameter and L is the length.

• Calculate the square of the diameter of the reinforcement (25mm * 25mm = 625mm^2)

• Divide the square by 162 (625mm^2 / 162 = 3.858mm)

• Multiply the result by the length of the reinforcement to get the permetric weight

Charging of an electrode in e.s.p control is the process of applying an electric charge to the electrode to attract and collect particulate matter in a thermal power plant.

• Charging of an electrode is a crucial step in the operation of an electrostatic precipitator (e.s.p) in a thermal power plant.

• The electrode is charged with a high voltage DC power supply, typically ranging from 40,000 to 70,000 volts.

• The charged electrode creates an electric field that attracts and collects...read more

The maximum percentage of carbon and silicon in cement is typically around 5% and 3% respectively.

• Maximum percentage of carbon in cement is around 5%

• Maximum percentage of silicon in cement is around 3%

• Higher percentages can affect the quality and properties of the cement

The thickness of cement mortar in brickwork varies depending on the type of brick and the purpose of the wall.

• For load-bearing walls, the thickness of the mortar should be 10mm for horizontal joints and 8mm for vertical joints.

• For non-load-bearing walls, the thickness of the mortar can be reduced to 6mm for horizontal joints and 4mm for vertical joints.

• The type of brick used can also affect the thickness of the mortar. For example, if using hollow bricks, the mortar thickness...read more

The paint brand name is Asian Paints. The color name is Royale Play Metallics. The code is 9115. The putty brand name is Birla White. The mixing ratio is 2:1.

• Paint brand name: Asian Paints

• Color name: Royale Play Metallics

• Color code: 9115

• Putty brand name: Birla White

• Mixing ratio: 2:1

The consumption of shuttering oil per liter depends on the area covered.

• The consumption of shuttering oil per liter can vary depending on factors such as the type of shuttering material, surface texture, and weather conditions.

• On average, 1 liter of shuttering oil can cover approximately 10-15 square meters of surface area.

• However, this can vary significantly based on the absorbency of the surface and the thickness of the oil application.

• For example, if the surface is highly ...read more

Unit of measurement for construction materials and formulas for steel weight and concrete quantity calculations.

• Chowkhats, doors, plastering, painting are measured in square feet or square meters

• Unit weight of steel can be calculated using the formula: Weight = Volume x Density

• Unit weight of 8mm, 10mm, 12mm bars can be calculated using the formula: Weight = (Diameter^2/162) x Length

• Quantity of cement, sand, and coarse aggregate for M20 concrete can be calculated using the mix...read more

The initial and final setting time of an ideal cement mix refers to the time it takes for the cement to begin to harden and fully harden, respectively.

• The initial setting time is the time it takes for the cement to lose its plasticity and become rigid enough to resist certain pressures.

• The final setting time is the time it takes for the cement to fully harden and achieve its maximum strength.

• The initial setting time is typically around 30 minutes, while the final setting time...read more

The amount of cement required for 1 cubic meter varies depending on the concrete mix design.

• The amount of cement needed for 1 cubic meter of concrete varies from 250kg to 600kg depending on the mix design.

• The mix design specifies the ratio of cement to other materials like sand and aggregates.

• For example, a mix design of 1:2:4 requires 400kg of cement per cubic meter of concrete.

• It is important to accurately calculate the amount of cement needed to ensure the strength and dur...read more

There are several types of pipes used in HVAC systems.

• Copper pipes: commonly used for refrigerant lines and water supply

• PVC pipes: used for condensate drain lines

• Galvanized steel pipes: used for ductwork and water supply

• Flexible ducts: used for air distribution

• PEX pipes: used for radiant heating systems

• Stainless steel pipes: used for high-pressure applications

BBS schedule of drawing can be found by consulting the project manager or checking the project documentation.

• Consult the project manager or supervisor for the BBS schedule of drawing.

• Check the project documentation or specifications for the BBS schedule.

• BBS schedule helps in planning and tracking the reinforcement work efficiently.

• It ensures that the correct amount and type of reinforcement is used in construction.

• Helps in avoiding errors and delays in construction process.

No, adding extra water to hardened concrete will weaken the structure and compromise its integrity.

• Do not add extra water to hardened concrete as it will weaken the structure

• Consult with a supervisor or engineer for guidance on how to proceed

• Consider using additives or accelerators to help with placement if necessary

The interviewer asked about tile sizes, pipe types, cement/steel/concrete density, basic drawing knowledge, diagonal calculation, and plaster sizes.

• Tile sizes can vary depending on the project requirements. For example, a bathroom may require smaller tiles than a living room.

• Different types of pipes are used for different purposes. For example, PVC pipes are commonly used for drainage systems.

• The density of cement, steel, and concrete can affect the strength and durability of...read more

The question asks about completing an old project, M25 grade concrete, shuttering or centring, and checking building alignment.

• The area of the building that was completed in the old project refers to the portion of the construction that was finished before.

• M25 grade concrete is a type of concrete mix with a compressive strength of 25 megapascals (MPa). It is commonly used in construction.

• Shuttering or centring refers to the temporary formwork or molds used to support wet conc...read more

Synchronous machines have a constant speed while induction machines have a variable speed.

• Synchronous machines have a rotor that rotates at the same speed as the stator magnetic field

• Induction machines have a rotor that rotates at a speed slightly less than the stator magnetic field

• Synchronous machines are used in applications where constant speed is required, such as power generation

• Induction machines are used in applications where variable speed is required, such as in elec...read more

1st and 3rd angle projection are two methods of representing a 3D object on a 2D surface.

• In 1st angle projection, the object is placed in front of the viewing plane and the planes of projection are between the object and the viewer.

• In 3rd angle projection, the object is placed behind the viewing plane and the planes of projection are between the object and the viewer.

• In 1st angle projection, the top view is placed above the front view while in 3rd angle projection, the top vi...read more

To calculate the concrete value of a trapezoidal foundation, you need to determine the volume of concrete required.

• Calculate the area of the trapezoidal foundation by using the formula: (a + b) * h / 2, where a and b are the lengths of the parallel sides and h is the height.

• Multiply the area by the desired thickness of the foundation to get the volume of concrete required.

• Consider any additional factors such as wastage, reinforcement, and formwork when estimating the concrete...read more

Yes, I am a technical person with experience in handling facade projects.

• I have a degree in Civil Engineering and have worked on several facade projects in the past.

• I am familiar with the technical aspects of facade design, including materials, structural requirements, and installation processes.

• I have experience working with architects, contractors, and other stakeholders to ensure that facade projects are completed on time and within budget.

• I am also skilled in using softwa...read more

If the ratio of length and width of slab is 2 or more, then it's a two-way slab.

• A two-way slab is supported by beams on all four sides.

• The ratio of length and width determines the direction of the main reinforcement.

• A one-way slab is supported by beams on two opposite sides only.

If the footing depth of concreting poured is less than specified, it can lead to structural failure due to inadequate support.

• Insufficient footing depth can result in settlement or tilting of the structure.

• Increased risk of structural cracks and instability.

• Potential collapse of the building in extreme cases.

• The load-bearing capacity of the foundation will be compromised.

• Proper reinforcement and compaction are crucial for the stability of the footing.

As project head, I would execute the site by overseeing the planning, budgeting, and scheduling of the project.

• Develop a comprehensive project plan that includes timelines, budgets, and resources

• Assign tasks and responsibilities to team members

• Monitor progress and make adjustments as necessary

• Ensure compliance with safety regulations and quality standards

• Communicate regularly with stakeholders to keep them informed of progress and address any concerns

• Resolve any issues or con...read more

Hollow blocks are commonly used in construction as they are lightweight, durable and provide good insulation.

• Hollow blocks are made of concrete with hollow cores.

• They are used for walls, partitions, and fences.

• They are lightweight and easy to handle, reducing construction time and labor costs.

• Hollow blocks provide good insulation, reducing energy costs for heating and cooling.

• They are durable and resistant to fire, pests, and weathering.

• Examples of hollow block types include ...read more

The accuracy of a dumpy level is typically around 1/100th of a foot or 2mm.

• The minimum reading that can be taken with a dumpy level is usually around 1/100th of a foot or 2mm.

• This level of accuracy is sufficient for most construction and surveying tasks.

• Higher quality dumpy levels may have even greater accuracy, down to 1/1000th of a foot or less.

The unit weight of steel refers to the weight of a specific volume of steel material.

• Unit weight of steel is typically measured in kilograms per cubic meter (kg/m³).

• The unit weight of steel can vary depending on the type and grade of steel.

• For example, the unit weight of mild steel is around 7850 kg/m³.

• Higher strength steels like stainless steel can have a higher unit weight.

• Unit weight is an important factor in structural engineering calculations.

The weight of a 32 dia 1 meter object depends on its material.

• The weight of the object can be calculated using its density and volume.

• The material of the object is not specified, so the weight cannot be determined.

• For example, a 1 meter long steel rod with a diameter of 32mm would weigh approximately 15.7 kg.

• Without knowing the material, it is impossible to give an accurate answer.

The sand required for RCC work should have specific qualities to ensure strength and durability.

• The sand should be clean and free from impurities like clay, silt, and organic matter.

• It should have a proper gradation with a mix of coarse and fine particles.

• The sand should have a low moisture content to prevent shrinkage and cracking.

• It should have good bonding properties to ensure proper adhesion with cement and aggregates.

• The sand should be well-graded and have a high compres...read more

Weight of 16mm dia and 3m length of bars reinforcement calculation

• Calculate the cross-sectional area of the bar using the formula A = πr^2

• Multiply the cross-sectional area by the length of the bar to get the volume

• Multiply the volume by the density of the reinforcement steel, which is typically 7850 kg/m^3

• The final result will be the weight of the reinforcement bar in kg

Different types of footings can be used in oht depending on the specific requirements.

• Strip footing is commonly used in oht for uniform load distribution.

• Pad footing is used for heavy loads or where the soil bearing capacity is low.

• Pile footing is used when the soil is weak or unstable.

• Raft footing is used for large structures or where the soil has poor bearing capacity.

• Combined footings are used when multiple columns are close to each other.

Initial setting time of cement is the time taken by cement to harden and attain a particular strength.

• Initial setting time is determined by Vicat apparatus

• It is the time taken for the cement to lose its plasticity and become hard

• The standard initial setting time for ordinary Portland cement is 30 minutes

• Factors affecting initial setting time include temperature, water-cement ratio, and type of cement

The temperature of DBM material at the time of laying varies depending on the specific project requirements and environmental conditions.

• DBM material is typically laid at a temperature range of 120-150 degrees Celsius.

• The temperature is determined based on factors such as the type of asphalt mix, ambient temperature, and desired compaction.

• In colder weather conditions, the DBM material may need to be heated to ensure proper workability.

• Conversely, in hot weather conditions, t...read more

Structure steel members are the load-bearing components of a steel structure. The minimum thickness of a gusset plate depends on various factors.

• Structure steel members include beams, columns, trusses, and braces.

• Gusset plates are used to connect steel members at joints.

• The minimum thickness of a gusset plate depends on the loads it will bear, the size of the steel members it connects, and the type of connection.

• For example, a gusset plate connecting two 6-inch steel beams ma...read more

Rolling margin of steel is the difference between the target thickness and the actual thickness after rolling.

• Rolling margin is a measure of the accuracy of the rolling process.

• It is calculated by subtracting the actual thickness of the steel after rolling from the target thickness.

• A positive rolling margin means the steel is thicker than intended, while a negative rolling margin means it is thinner.

• Rolling margin is important for ensuring the quality and consistency of steel...read more

Twenty important points of civil Site work include surveying, excavation, foundation work, concrete pouring, structural framing, roofing, plumbing, electrical work, finishing work, landscaping, etc.

• Surveying to determine site boundaries and levels

• Excavation for foundations and utilities

• Foundation work for supporting structures

• Concrete pouring for slabs, columns, and walls

• Structural framing for building skeleton

• Roofing for weather protection

• Plumbing for water supply and draina...read more