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I applied via Campus Placement and was interviewed in Dec 2023. There was 1 interview round.
Grades of concrete refer to the strength of the concrete mix design.
Grades of concrete are denoted by M10, M15, M20, etc. where M stands for mix and the number represents the compressive strength in N/mm^2.
Higher grade concrete has higher compressive strength and is used for structural purposes.
Common grades include M25, M30, M35, and M40 for heavy-duty structures like bridges and high-rise buildings.
Slump in concrete refers to the measure of consistency of freshly mixed concrete.
Slump is determined by the amount of water in the concrete mix.
It is measured by filling a cone-shaped mold with concrete, then lifting the mold to see how much the concrete slumps.
Different types of slumps (true slump, shear slump, collapse slump) indicate different levels of workability and strength of the concrete mix.
Slump test is comm...
Water cement ratio is the ratio of the weight of water to the weight of cement used in a concrete mix.
Water cement ratio is a crucial factor in determining the strength and durability of concrete.
A lower water cement ratio results in stronger and more durable concrete.
The ideal water cement ratio varies depending on the type of concrete mix and its intended use.
For example, a water cement ratio of 0.5 is commonly used ...
M20 grade concrete is a mix of 1 part cement, 1.5 parts sand, and 3 parts aggregate, with a compressive strength of 20 MPa.
M20 grade concrete is commonly used in residential construction.
It is a mix of 1 part cement, 1.5 parts sand, and 3 parts aggregate.
The compressive strength of M20 grade concrete is 20 MPa.
It is suitable for foundations, beams, columns, and slabs.
I applied via Walk-in and was interviewed in Feb 2024. There were 2 interview rounds.
Cube filling rod is technically known as 'Tamping rod'.
Also known as tamping rod
Used to compact concrete in cube molds
Helps in removing air voids and ensuring uniform density
Typically made of steel or iron
Standard length is 16 inches with a diameter of 5/8 inch
BBS stands for Bar Bending Schedule.
BBS is a document that provides details of reinforcement cutting length, type, and size of bars used in construction.
It helps in estimating the quantity of steel required for construction.
BBS is essential for ensuring the structural integrity and strength of the building.
Example: BBS includes information on the number of bars, their diameter, spacing, and placement in beams, columns,
I was interviewed before Feb 2023.
Steel cutting length is the length of steel bars required for construction purposes.
Steel cutting length is calculated based on the dimensions of the structure and the required reinforcement.
It is important to consider the bending and overlapping requirements when determining the cutting length.
Steel cutting length can be calculated using formulas or software programs.
For example, for a beam with a length of 5 meters a...
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posted on 10 Sep 2017
I was interviewed before Sep 2016.
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I applied via PLACEMENT
posted on 12 May 2018
posted on 7 Sep 2022
I applied via Recruitment Consulltant and was interviewed before Sep 2021. There were 2 interview rounds.
posted on 11 Feb 2021
I applied via Campus Placement and was interviewed before Feb 2020. There were 5 interview rounds.
Cube mould size is a standard size used for testing the compressive strength of concrete.
Cube moulds are typically made of steel or cast iron.
The standard size for cube moulds is 150mm x 150mm x 150mm.
Other sizes such as 100mm x 100mm x 100mm and 200mm x 200mm x 200mm are also used.
The moulds are filled with concrete and left to cure before being tested for compressive strength.
Cube moulds are used to ensure that the c...
To calculate the weight of an 8mm diameter steel rod, use the formula: weight = volume x density.
Calculate the volume of the rod using the formula: volume = π x (diameter/2)^2 x length
Find the density of steel, which is typically around 7850 kg/m^3
Multiply the volume by the density to get the weight of the rod
posted on 14 Jul 2021
posted on 11 Jun 2022
I applied via Campus Placement and was interviewed before Jun 2021. There were 3 interview rounds.
Mathematics, English, Reasoning
An antenna is a device that converts electrical signals into electromagnetic waves and vice versa. Satcom is short for satellite communication.
Antennas are used for transmitting and receiving signals in various applications such as radio, television, and wireless communication.
Satcom refers to the use of satellites for communication purposes, including television broadcasting, internet access, and military communicatio...
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