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I applied via Walk-in and was interviewed in Mar 2022. There was 1 interview round.
M20 mix ratio is a type of concrete mix used in construction. IS code recommends the ratio of cement, sand, and aggregate for M20 mix.
M20 mix has a compressive strength of 20 MPa after 28 days of curing
The recommended mix ratio for M20 is 1:1.5:3, which means 1 part cement, 1.5 parts sand, and 3 parts aggregate
IS code 456-2000 recommends the mix ratio and other specifications for concrete work
The cube size used in compressive strength determining test is typically 150mm x 150mm x 150mm.
The cube size is standardized by ASTM and IS codes.
The cubes are cast in three layers and compacted using a standard vibration table.
The cubes are cured in water for 28 days before testing.
The compressive strength of the cubes is determined using a compression testing machine.
The cube size may vary depending on the project sp
Water cement ratio test determines the amount of water needed to produce a certain consistency of cement.
Water cement ratio test is done to determine the amount of water needed to produce a certain consistency of cement.
The test involves mixing a certain amount of cement with water and measuring the consistency of the resulting mixture.
The result of the test is expressed as a ratio of the weight of water to the weight ...
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I was interviewed in Dec 2024.
The grade of concrete refers to its strength and is determined by the ratio of cement to sand to aggregate.
The grade of concrete is typically denoted by a number followed by the letter 'M', such as M20, M30, etc.
The number in the grade represents the compressive strength of the concrete in megapascals (MPa) after 28 days of curing.
For example, M20 concrete has a compressive strength of 20 MPa, while M30 concrete has a ...
The unit used for estimating painting work is square feet.
Square feet is commonly used to estimate the amount of paint needed for a project.
Other units like square meters can also be used depending on the region.
Calculations are based on the surface area to be painted.
RL in survey stands for Reduced Level, which is the vertical distance between a point and a reference point.
RL is used in surveying to determine the elevation of a point relative to a known reference point.
It is commonly used in construction projects to ensure accurate leveling of structures and surfaces.
RL can be calculated using leveling instruments such as a dumpy level or a theodolite.
For example, if a benchmark ha...
Types of cement include Portland cement, rapid-hardening cement, and sulfate-resistant cement.
Portland cement is the most common type and is used in general construction.
Rapid-hardening cement sets quickly and is often used in repair work.
Sulfate-resistant cement is used in areas where soil or water has high sulfate content.
The size of columns in civil engineering is determined based on the load they will support and the height of the structure.
Columns are sized based on the load they will support, with larger loads requiring larger columns.
The height of the structure also plays a role in determining column size, with taller structures requiring larger columns for stability.
Factors such as material strength, column spacing, and building c...
I applied via Walk-in and was interviewed in Feb 2024. There were 3 interview rounds.
Building and roads related
I was interviewed in Jul 2023.
Steel estimation in a beam involves calculating the quantity of steel required for reinforcement.
Calculate the total length of steel bars required based on the dimensions of the beam and the spacing of the bars.
Determine the diameter of the steel bars to be used for reinforcement.
Consider the grade of steel and the design requirements to calculate the total weight of steel needed.
Account for wastage and additional rein...
posted on 13 Apr 2023
I applied via Walk-in and was interviewed in Mar 2023. There were 2 interview rounds.
I applied via Referral and was interviewed in Dec 2023. There were 2 interview rounds.
Quality control and waste management
Maths reasoning and core subjects
I applied via Company Website and was interviewed in Apr 2023. There were 3 interview rounds.
OPC cement is made from limestone and clay, while PPC cement is made from fly ash and clay.
OPC cement has higher strength and is used for construction of high-rise buildings and bridges.
PPC cement has better workability and is used for plastering and finishing works.
PPC cement is more eco-friendly as it uses industrial waste as a raw material.
OPC cement is costlier than PPC cement.
OPC cement is commonly used in areas w...
A two way slab is a type of reinforced concrete slab that is supported by beams on all four sides.
Two way slab is used in buildings with large column spacing
It is designed to resist both positive and negative bending moments
It is commonly used in parking garages, commercial buildings, and residential buildings
Two way slab is more economical than one way slab for larger spans
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I was interviewed in Dec 2024.
I applied via Campus Placement and was interviewed before Jan 2021. There were 4 interview rounds.
The stages in construction of residential buildings include planning, design, site preparation, foundation, framing, utilities, interior and exterior finishes, and final inspection.
Planning: Determine the project scope, budget, and timeline.
Design: Create architectural and structural plans.
Site preparation: Clear the land and prepare it for construction.
Foundation: Construct the base of the building.
Framing: Build the ...
Structural engineering, transportation engineering, and geotechnical engineering
Structural engineering: designing and analyzing structures such as buildings, bridges, and dams
Transportation engineering: planning and designing transportation systems, including roads, highways, and airports
Geotechnical engineering: studying soil and rock mechanics to ensure the stability of structures and foundations
Stress is the force per unit area that a material experiences when subjected to an external load.
Stress is a measure of the internal forces within a material
It is calculated as force per unit area
Stress can cause deformation or failure of a material
Example: A bridge under heavy traffic experiences stress due to the weight of the vehicles
Example: A metal rod being pulled apart by two opposing forces experiences stress
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Electrical Engineer
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