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I applied via L&T and was interviewed in Oct 2022. There were 3 interview rounds.
What is Concrete .and it's type
The initial time of settlement of concrete is typically 24-48 hours.
The initial time of settlement refers to the time it takes for the concrete to begin to harden and set.
Factors that can affect the initial time of settlement include temperature, humidity, and the mix design of the concrete.
It is important to allow the concrete to settle properly before any further construction work is done on top of it.
Typically, the ...
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 and attain a particular strength.
It is the time from the moment water is added to the cement until the paste starts losing its plasticity.
The initial setting time of cement is generally around 30 minutes to 1 hour.
It is an important property of cement as it det...
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posted on 4 Apr 2021
I applied via Walk-in and was interviewed in Mar 2021. There was 1 interview round.
K7 and K9 are types of ductile iron pipes with different pressure ratings.
K7 pipes have a pressure rating of 7 bar, while K9 pipes have a pressure rating of 9 bar.
The pressure rating determines the maximum pressure the pipe can withstand without bursting.
K9 pipes are thicker and stronger than K7 pipes, making them suitable for high-pressure applications.
DI pipes are commonly used in water supply, sewage, and irrigation...
I applied via Company Website and was interviewed in Aug 2020. There was 1 interview round.
If casing gets trapped after concreting, I would follow these steps to resolve the issue.
Assess the situation and determine the cause of the casing getting trapped
If the casing is stuck due to concrete hardening, try to break the concrete around it using appropriate tools
If breaking the concrete is not feasible, consider using a hydraulic jack to push the casing out
Consult with experienced professionals or engineers fo...
posted on 18 Jan 2022
I applied via Company Website and was interviewed before Apr 2021. There were 2 interview rounds.
posted on 14 Nov 2023
I applied via Naukri.com
J.kumar metro project is a major infrastructure project involving construction of metro rail system.
J.kumar metro project is a large-scale infrastructure project focused on building a metro rail system.
The project involves various stages such as planning, design, construction, and implementation.
It may include tasks like excavation, tunneling, track laying, station construction, etc.
The project requires coordination wi...
posted on 28 Feb 2022
posted on 14 Mar 2023
I applied via Approached by Company and was interviewed in Mar 2023. There were 2 interview rounds.
I applied via Walk-in and was interviewed in Feb 2022. There were 3 interview rounds.
Mix design is the process of determining the proportions of ingredients to be used in concrete or asphalt.
Mix design ensures the desired strength and durability of the construction material.
It takes into account factors such as the type of aggregate, cement, water, and admixtures.
Mix design is used in various construction projects such as buildings, roads, bridges, and dams.
For example, a mix design for a high-rise bui...
Batching plant test of concrete is a process to ensure the quality of concrete before it is used in construction.
Batching plant test involves checking the strength, workability, and consistency of concrete.
Tests are conducted on samples of concrete taken from the batching plant.
Tests include slump test, compressive strength test, and water-cement ratio test.
Results of the tests are compared with the specifications to e...
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