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Initial setting time of concrete is the time taken for the concrete to change from a plastic to a solid state.
Initial setting time is typically around 30 minutes to 1.5 hours, depending on the mix design and environmental conditions.
It is important to monitor the initial setting time to ensure proper placement and finishing of the concrete.
Factors affecting initial setting time include temperature, water-cement ratio, ...
I applied via Walk-in and was interviewed before Sep 2020. There were 4 interview rounds.
Camber is the upward curve given to a road or bridge surface to counteract the effects of gravity and prevent sagging.
Camber is a slight upward curve given to a road or bridge surface.
It is used to counteract the effects of gravity and prevent sagging.
Camber is also used in racing cars to improve handling and stability.
The amount of camber required depends on the design and purpose of the road or bridge.
Camber can be p...
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posted on 19 Jul 2021
A site engineer is responsible for overseeing construction projects and ensuring they are completed according to plans and specifications. A supervisor is a higher-level position that manages and coordinates the work of site engineers and other construction personnel.
Site engineer: responsible for overseeing construction projects, ensuring compliance with plans and specifications
Supervisor: higher-level position that m...
posted on 27 Mar 2022
I applied via Walk-in and was interviewed before Mar 2021. There were 2 interview rounds.
posted on 19 Feb 2021
I applied via Walk-in and was interviewed in Sep 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 30 Jan 2023
I applied via Naukri.com and was interviewed before Jan 2022. There were 4 interview rounds.
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...
posted on 2 May 2023
About personality, work schedule, team work, Kick of work, progress achieving goals.
posted on 10 Jan 2023
I applied via Walk-in and was interviewed before Jan 2022. There were 2 interview rounds.
The weight of 16 mm dia steel of 1 m length is 1.58 kg.
The weight of steel can be calculated using the formula: weight = (d^2/162) * L, where d is the diameter in mm and L is the length in meters.
Substituting the values, we get weight = (16^2/162) * 1 = 1.58 kg.
This weight is for mild steel. The weight may vary for other types of steel.
The weight of steel is an important factor in construction and design calculations.
M-20 grade concrete weighs approximately 2400 kg per cubic meter.
M-20 grade concrete is a commonly used grade of concrete in construction.
The weight of M-20 grade concrete is determined by the density of its components.
The components of M-20 grade concrete include cement, sand, and coarse aggregates.
The weight of each component and their proportions determine the overall weight of 1 cubic meter of M-20 grade concrete.
T...
Concrete slump is the measure of consistency and workability of concrete.
Slump test is conducted to determine the consistency of freshly mixed concrete.
The minimum slump for concrete used in road construction is 25-50 mm.
The maximum slump for concrete used in heavily reinforced structures is 100-150 mm.
The slump value can be adjusted by adding water or admixtures to the concrete mix.
A higher slump value indicates a mor
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