Senior Site Engineer
100+ Senior Site Engineer Interview Questions and Answers
Q51. Which concrete ratio is good ?
The concrete ratio depends on the specific requirements of the project, such as strength, durability, and workability.
The most common concrete ratio is 1:2:4, which consists of 1 part cement, 2 parts sand, and 4 parts gravel.
For high-strength concrete, a ratio of 1:1.5:3 with additives like silica fume or fly ash may be used.
For projects requiring increased workability, a ratio of 1:2:3 with a higher water-cement ratio can be chosen.
It is important to consult with structural ...read more
Q52. What is the rasio of M15
The ratio of M15 is 1:2:4 (cement:sand:aggregate) for concrete mix.
M15 is a mix of concrete with a compressive strength of 15 N/mm².
The ratio of M15 is commonly used for residential construction.
The ratio of M15 can be adjusted based on the specific requirements of the project.
Q53. Why provided curtail bar in beam
Curtail bars are provided in beams to resist shear forces and prevent diagonal cracks.
Curtail bars are placed at the ends of the beam where shear forces are maximum.
They are used to transfer the load from the beam to the column or wall.
Curtail bars also help in preventing diagonal cracks in the beam.
The size and spacing of the curtail bars depend on the design requirements and load capacity of the beam.
Q54. How the weight of stell calculated?
The weight of steel is calculated by multiplying the volume of steel by its density.
The weight of steel can be calculated using the formula: weight = volume × density
The volume of steel can be determined by multiplying the cross-sectional area of the steel by its length
The density of steel is typically around 7850 kg/m³
For example, to calculate the weight of a steel beam with a length of 5 meters, a cross-sectional area of 0.1 square meters, and a density of 7850 kg/m³: weigh...read more
Q55. Different between Ndt and non ndt
NDT (Non-Destructive Testing) involves testing materials without causing damage, while non-NDT methods may involve destructive testing.
NDT methods include ultrasonic testing, radiography, magnetic particle testing, and dye penetrant testing.
Non-NDT methods may include cutting, drilling, or breaking materials to test their properties.
NDT is commonly used in industries like aerospace, automotive, and construction to ensure the quality and integrity of materials.
Non-NDT methods ...read more
Q56. Hight of plumbing and electrical features
The height of plumbing and electrical features is determined by building codes, functionality, and accessibility.
Building codes dictate minimum height requirements for plumbing and electrical features
Consider functionality and ease of access when determining the height of features
Examples: Electrical outlets are typically placed around 12-18 inches above the floor, while bathroom sink drains are usually 24 inches above the floor
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Q57. how much Allowance in shell peaking
The allowance in shell peaking refers to the additional thickness added to the shell plates to account for the effects of corrosion and erosion.
Allowance in shell peaking is the extra thickness added to the shell plates of a structure.
It is necessary to account for the effects of corrosion and erosion on the shell plates.
The allowance is typically determined based on the expected service life of the structure and the corrosive environment it will be exposed to.
The allowance c...read more
Q58. How to calculate column over lap
Column overlap can be calculated using formula or table provided by codes.
Column overlap is the length of overlap between two reinforcing bars in a column.
Formula for calculating overlap length is provided by codes such as ACI or BS.
Overlap length depends on the diameter of the bars and the grade of concrete used.
Tables are also provided by codes for easy calculation of overlap length.
Proper overlap length is important for ensuring structural integrity of the column.
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Q59. What is slump test why we do.
Slump test is a method to measure the consistency of concrete before it sets.
Slump test is used to determine the workability of fresh concrete.
It involves filling a cone-shaped mold with concrete, then lifting the mold to see how much the concrete slumps or settles.
The amount of slump indicates the consistency of the concrete - a higher slump means a more workable mix.
Slump test helps in ensuring that the concrete mix has the right amount of water for proper hydration and str...read more
Q60. How to check materials
Materials can be checked by conducting visual inspections, performing tests, and verifying documentation.
Conduct visual inspections to check for any defects or damages
Perform tests such as strength tests, hardness tests, and chemical tests
Verify documentation such as certificates of conformity and material test reports
Ensure materials meet specifications and standards set by the project
Q61. What is concerete slums in slab
Concrete slabs in slum areas are makeshift structures made of concrete used as flooring in informal settlements.
Concrete slabs are commonly used in slum areas to provide a solid flooring surface.
These slabs are often made of low-quality concrete and may not meet building standards.
They are used as a cost-effective solution for flooring in informal settlements.
Concrete slabs in slum areas may lack proper reinforcement and maintenance, leading to safety hazards.
Q62. Diff between one way slab and two way slab
One way slab is supported on two opposite sides only, while two way slab is supported on all four sides.
One way slab is designed to carry loads in one direction only
Two way slab is designed to carry loads in both directions
One way slab is economical for small spans
Two way slab is more suitable for larger spans and heavy loads
Q63. Weight of concrete in 1m3 (M25)
The weight of concrete in 1m3 (M25) is approximately 2400 kg.
The weight of concrete varies depending on the mix design and density.
For M25 grade concrete, the approximate weight is 2400 kg/m3.
This weight includes the weight of cement, sand, aggregates, and water.
The weight of concrete can also be calculated using the following formula: Density = Mass/Volume.
It is important to accurately calculate the weight of concrete for structural design and construction purposes.
Q64. Where the formula of d2/162 is derived
The formula d2/162 is derived from the weight of a steel bar and its cross-sectional area.
The formula is used to calculate the weight of a steel bar based on its diameter (d).
The number 162 represents the weight of a steel bar per unit length (in pounds per foot).
The formula assumes the steel bar is round and the weight is evenly distributed.
For example, if the diameter of a steel bar is 1 inch, the weight per foot would be 1/162 pounds.
Q65. How You deal with the client and TPIA.
I maintain open communication, address concerns promptly, and ensure client satisfaction by meeting project requirements.
Establish clear communication channels with the client and TPIA
Regularly update the client on project progress and address any concerns promptly
Ensure project specifications are met to client and TPIA satisfaction
Resolve any conflicts or issues that may arise in a professional manner
Maintain a positive and collaborative relationship with the client and TPIA
Q66. 28 days concrete strength
28 days concrete strength is the standard measure of concrete's compressive strength after 28 days of curing.
28 days concrete strength is the standard measure of concrete's compressive strength after 28 days of curing
It is important for assessing the quality of concrete and its ability to support structural loads
The strength of concrete typically continues to increase beyond 28 days, but 28 days is the standard testing period
Q67. Minimum dia of steel used in slab
The minimum diameter of steel used in a slab depends on the span, load, and thickness of the slab.
The minimum diameter of steel bars used in a slab is usually 8mm.
However, for longer spans and heavier loads, larger diameter bars may be required.
The thickness of the slab also affects the minimum diameter of steel used.
For example, a 100mm thick slab may require 10mm diameter bars.
The minimum diameter of steel used in a slab should be specified in the design drawings.
Q68. What is wall plastering mix ratio
Wall plastering mix ratio is the proportion of materials used in the plaster mix.
Wall plastering mix ratio typically consists of cement, sand, and water.
A common mix ratio for wall plastering is 1:4, which means 1 part cement to 4 parts sand.
The amount of water added can vary depending on the desired consistency of the plaster mix.
Q69. What is the ratio of brick work
The ratio of brick work refers to the proportion of bricks used in a construction project compared to other materials.
The ratio of brick work can vary depending on the type of construction project and design specifications.
Common ratios for brick work include 1:4 (1 part cement to 4 parts sand) for mortar mix and 1:6 (1 part cement to 6 parts sand) for brick laying.
The ratio may also be specified in terms of the number of bricks used per square foot or square meter of wall.
It...read more
Q70. What's is this role of site engineer
The role of a site engineer involves overseeing construction projects, ensuring they are completed on time, within budget, and to the required quality standards.
Managing and supervising construction activities on site
Ensuring compliance with building regulations and safety standards
Coordinating with architects, subcontractors, and other stakeholders
Solving technical issues and providing solutions
Preparing progress reports and maintaining project documentation
Q71. How to calculate concrete volume
Concrete volume can be calculated by multiplying the area of the base by the height.
Measure the length, width, and height of the concrete structure
Calculate the area of the base by multiplying the length and width
Multiply the area of the base by the height to get the concrete volume
Add extra volume for any additional features such as steps or curves
Q72. Ecinomiser coil material specification
Economizer coil material specification is typically stainless steel or aluminum.
Economizer coils are commonly made of stainless steel or aluminum for corrosion resistance and durability.
The material specification for economizer coils may vary depending on the specific application and operating conditions.
Stainless steel economizer coils are preferred for high temperature and corrosive environments, while aluminum coils are lighter and more cost-effective.
The choice of materia...read more
Q73. Superheated coil material specification
Superheated coil material specification is typically stainless steel due to its high temperature resistance and durability.
Stainless steel is commonly used for superheated coil material due to its high temperature resistance
Other materials like nickel alloys may also be used for specific applications
Material specifications should meet the required temperature and pressure ratings for the superheated coil
Q74. Weight of 16 mm dia steel in one metre
Weight of 16 mm dia steel in one metre
The weight of 16 mm diameter steel rod per metre can be calculated by using the formula D^2/162
Here, D is the diameter of the steel rod in millimeters
So, the weight of 16 mm diameter steel rod per metre is (16^2)/162 = 1.580 kg/m
Q75. What is development length
Development length is the length of reinforcement required to transfer the stress from steel to concrete.
It is the minimum length of reinforcement bar required to be embedded in concrete to develop its full strength.
It is influenced by the diameter of the bar, the grade of the steel, and the strength of the concrete.
It is calculated based on the bond strength between steel and concrete.
For example, if the development length of a reinforcement bar is 40cm, then the bar must be...read more
Q76. What is honeycomb in concrete?
Honeycomb in concrete refers to voids or cavities left in the concrete due to improper compaction.
Honeycomb can weaken the structure of the concrete and reduce its durability.
It can be caused by improper vibration during pouring or insufficient filling of the formwork.
Honeycomb can be prevented by using proper compaction techniques and ensuring the formwork is completely filled.
Repairing honeycomb involves removing the damaged concrete and filling the voids with fresh concret...read more
Q77. What is the mix ratio of M20
The mix ratio of M20 concrete is 1:1.5:3 (1 part cement, 1.5 parts sand, 3 parts aggregate)
Mix ratio of M20 concrete is 1:1.5:3 (cement:sand:aggregate)
This means for every 1 part of cement, 1.5 parts of sand and 3 parts of aggregate are used
For example, if you have 1 bag of cement, you would need 1.5 bags of sand and 3 bags of aggregate
Q78. Explain the process of BLT track execution
BLT track execution is the process of implementing and monitoring the construction of a track using the BLT method.
BLT stands for Ballastless Track, which is a type of track construction method.
The process involves several steps such as site preparation, track alignment, subgrade preparation, and track installation.
BLT track execution requires expertise in civil engineering and knowledge of track construction standards.
Regular monitoring and quality control are essential to e...read more
Q79. Tell about storage tank construction
Storage tank construction involves designing, fabricating, and erecting tanks for storing liquids or gases.
The design of the tank should consider the type of material to be stored, the volume, and the environmental conditions.
The fabrication process involves cutting, bending, and welding steel plates to form the tank shell.
The tank is then erected on a foundation and fitted with accessories such as nozzles, manholes, and vents.
The tank should be tested for leaks and structura...read more
Q80. Paint apply procedure on fresh wall
The paint apply procedure on a fresh wall involves surface preparation, primer application, paint mixing, and final coat application.
Clean the wall surface to remove any dust, dirt, or debris
Apply a primer to ensure better adhesion and coverage of the paint
Mix the paint thoroughly before application to ensure uniform color
Apply the final coat of paint using a roller or brush in even strokes
Allow sufficient drying time between coats for best results
Q81. How to use multimeter
A multimeter is a tool used to measure electrical values such as voltage, current, and resistance.
Select the appropriate measurement function on the multimeter
Connect the probes to the circuit or component being measured
Read the measurement value on the multimeter display
Ensure the measurement value is within the expected range for the circuit or component
Turn off the multimeter and disconnect the probes when finished
Q82. Normal mix and design mix difference
Normal mix is a standard mix of concrete while design mix is customized based on specific requirements.
Normal mix is a standard mix of concrete with fixed proportions of cement, sand, and aggregates.
Design mix is customized based on specific requirements like strength, durability, workability, etc.
Design mix is prepared by a mix design engineer using various tests and calculations.
Example: Normal mix for M20 grade concrete is 1:1.5:3 while design mix for the same grade can va...read more
Q83. What is viscosity of bitumen?
Viscosity of bitumen refers to its resistance to flow, which is important in determining its suitability for various applications.
Viscosity of bitumen is a measure of its resistance to flow under specific conditions.
It is typically measured in units such as poise or Pascal-seconds.
Higher viscosity bitumen is more resistant to flow, while lower viscosity bitumen flows more easily.
The viscosity of bitumen can be influenced by factors such as temperature and additives.
Different ...read more
Q84. Building construction procedure..
Building construction procedure involves several stages from planning to completion.
Planning and design
Site preparation and foundation
Structural framework
Installation of utilities and systems
Interior and exterior finishing
Inspection and testing
Handover and maintenance
Q85. What is the plastering thickness
Plastering thickness varies depending on the type of surface and finish required.
Plastering thickness typically ranges from 6mm to 25mm.
For walls, the thickness is usually around 12mm to 15mm.
For ceilings, the thickness can be around 6mm to 12mm.
The thickness may also vary based on the type of plaster being used, such as gypsum plaster or cement plaster.
Q86. Types of civil works?
Civil works include construction, maintenance, and repair of infrastructure such as roads, bridges, buildings, and water systems.
Road construction
Bridge construction
Building construction
Water system construction
Maintenance of roads, bridges, buildings, and water systems
Repair of roads, bridges, buildings, and water systems
Q87. Quantity of the steel required per sqm
The quantity of steel required per sqm varies depending on the type of structure and design specifications.
The quantity of steel required per sqm is typically calculated based on the structural design drawings and specifications.
Factors such as the type of structure, load requirements, and design codes influence the amount of steel needed per sqm.
For example, in a reinforced concrete structure, the quantity of steel per sqm for a slab will be different from that of a column o...read more
Q88. Do a sump calculation
Sump calculation involves determining the volume of a sump pit to ensure proper drainage and prevent flooding.
Calculate the length, width, and depth of the sump pit
Multiply the length, width, and depth to get the volume of the sump pit
Consider the flow rate of water entering the sump pit to determine its capacity
Ensure the sump pit is large enough to handle expected water flow
Account for any additional factors such as pump size and discharge rate
Q89. How to maintenance machine
Machine maintenance involves regular cleaning, inspection, and repair to ensure optimal performance and longevity.
Create a maintenance schedule based on manufacturer recommendations
Perform regular cleaning and lubrication of machine parts
Inspect and replace worn or damaged parts
Keep accurate records of maintenance and repairs
Train operators on proper use and maintenance of the machine
Q90. Volume of cement in a bags
The volume of cement in a bag varies depending on the size of the bag and the density of the cement.
The most common bag size for cement is 50kg.
The volume of cement in a bag can range from 0.033m³ to 0.045m³.
The density of cement can vary from 1,100kg/m³ to 1,500kg/m³.
To calculate the volume of cement in a bag, you need to know the bag size and the density of the cement.
Q91. All steps in building construction work
Steps in building construction work involve planning, designing, obtaining permits, site preparation, foundation construction, framing, roofing, plumbing/electrical work, finishing touches, and final inspection.
Planning the project and obtaining necessary permits
Site preparation including clearing and grading
Foundation construction such as pouring concrete footings
Framing the structure with wood or steel beams
Roofing installation to provide weather protection
Plumbing and elec...read more
Q92. Intial setting time of cement
Initial setting time of cement is the time taken by cement to harden and attain a particular strength.
Initial setting time is the time taken by cement to harden to a degree that it can no longer be worked with.
It is determined by the Vicat apparatus test.
The initial setting time of cement should not be less than 30 minutes.
Factors affecting initial setting time include temperature, water-cement ratio, and type of cement used.
Q93. Do you know about actuator
An actuator is a component of a machine that is responsible for moving or controlling a mechanism or system.
Actuators convert energy into motion, such as hydraulic actuators using fluid pressure to move a piston.
They can be found in various applications, such as robotics, automotive systems, and industrial machinery.
Actuators can be electric, hydraulic, pneumatic, or mechanical, depending on the application and requirements.
Q94. Do you know about transformer
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
Transformers are used to increase or decrease voltage levels in electrical circuits.
They consist of two coils of wire, known as the primary and secondary coils.
The primary coil is connected to a power source, while the secondary coil is connected to the load.
Examples of transformers include power transformers used in electrical substations and voltage tran...read more
Q95. What is coloumn lap length
Column lap length is the length of overlap between two reinforcing bars in a column.
Column lap length is important for ensuring proper structural integrity in a column.
It is typically specified in construction drawings or codes.
The lap length is determined based on the diameter of the reinforcing bars and the structural requirements.
For example, a column may require a lap length of 40 times the diameter of the bar.
Q96. Minimum thikness of RCC slab
The minimum thickness of an RCC slab depends on various factors such as span, load, and deflection criteria.
The minimum thickness of an RCC slab is typically determined by structural engineers based on the span of the slab.
The thickness also depends on the load that the slab needs to support. Heavier loads require thicker slabs.
Deflection criteria, which refers to the amount of bending or sagging the slab can tolerate, also influences the minimum thickness.
For residential bui...read more
Q97. Density of aggregate.
Density of aggregate is the mass per unit volume of the material.
Density is an important property of aggregates used in construction.
It is measured in kg/m³ or lb/ft³.
The density of different types of aggregates varies depending on their composition.
For example, the density of granite aggregate is around 2.7 g/cm³.
The density of lightweight aggregates like expanded clay or shale is around 1.5 g/cm³.
Q98. What is type of cement
Type of cement refers to the different varieties of cement available for construction purposes.
There are various types of cement such as Portland cement, rapid hardening cement, white cement, etc.
Each type of cement has specific properties and uses in construction.
For example, Portland cement is commonly used in general construction work, while rapid hardening cement is used in projects requiring quick setting.
White cement is used for architectural purposes to achieve a light...read more
Q99. 1m^3 how many bricks
The number of bricks in 1m^3 depends on the size of the bricks being used.
The number of bricks in 1m^3 will vary based on the size of the bricks.
Calculate the volume of a single brick and then divide 1m^3 by that volume to get the number of bricks.
For example, if a brick is 0.2m x 0.1m x 0.05m, its volume would be 0.001m^3. Therefore, 1m^3 would contain 1000 bricks.
Q100. What is lapelenth
Lapelength is the measurement of the length of the lapel on a garment, typically a suit jacket or blazer.
Lapelength is an important factor in determining the overall look and style of a jacket.
It can vary depending on the design and cut of the jacket.
A shorter lapelength is often seen on more modern and trendy jackets, while a longer lapelength is more traditional.
The lapelength can also affect the perceived proportions of the wearer's body.
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