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I applied via Approached by Company and was interviewed in Mar 2018. There was 1 interview round.
The reaction when water is added to cement is called hydration.
Hydration is a chemical reaction that occurs between water and cement.
During hydration, the water molecules react with the cement particles, forming chemical compounds.
This reaction is exothermic, releasing heat as the cement hardens and gains strength.
Hydration is a crucial process in the setting and curing of cement-based materials.
Examples of hydrated co...
The 3, 7, and 28 days strength of cement is determined through testing in accordance with our company's Test Report.
The strength of cement is an important factor in determining its quality and suitability for various applications.
The 3, 7, and 28 days strength refers to the compressive strength of cement after specific curing periods.
Testing is conducted to assess the cement's ability to withstand pressure and load.
The...
Insoluble residue refers to the solid material that remains after a substance has been dissolved or extracted.
Insoluble residue is the solid residue left behind after a liquid has been evaporated or a solution has been filtered.
It is often used in analytical chemistry to determine the amount of impurities or contaminants in a substance.
For example, in the analysis of water samples, the insoluble residue can indicate th...
I applied via Referral and was interviewed in Jan 2023. There were 3 interview rounds.
Types of cement include Portland cement, slag cement, and fly ash cement. Physics properties include setting time, strength, and durability. Design mix of concrete involves proportions of cement, water, aggregates, and admixtures.
Types of cement: Portland cement, slag cement, fly ash cement
Physics properties: setting time, strength, durability
Design mix of concrete: proportions of cement, water, aggregates, admixtures
Some of common aptitude based questions, some trick question
Leaching of lime IST FST
Leaching is the process of extracting a substance from a solid material using a liquid solvent
Lime is commonly used in leaching processes to extract metals from ores
IST (In Situ Treatment) involves treating the contaminated material in place
FST (Full Scale Treatment) involves removing the contaminated material and treating it elsewhere
Leaching of lime IST FST
Leaching is the process of extracting a substance from a solid material using a liquid solvent
Lime is a common substance used in leaching processes
IST stands for In Situ Treatment, which involves treating contaminated soil or groundwater without removing it from the site
FST stands for Fixed Site Treatment, which involves removing contaminated soil or groundwater and treating it at a separate loc...
I applied via Referral and was interviewed in Oct 2023. There were 2 interview rounds.
I applied via Company Website and was interviewed in Dec 2021. There were 5 interview rounds.
Spectrum shows frequency content while timewave shows time-domain waveform.
Spectrum displays frequency content of a signal while timewave shows the time-domain waveform.
Spectrum is useful for identifying specific frequencies while timewave is useful for identifying changes over time.
Spectrum is represented as a graph with frequency on the x-axis and amplitude on the y-axis while timewave is represented as a graph with ...
Bearings and gears are mechanical components used in mills for various purposes.
Bearings are used to support rotating shafts and reduce friction.
There are different types of bearings such as ball bearings, roller bearings, and plain bearings.
Ball bearings are commonly used in mills due to their high load capacity and low friction.
Roller bearings are suitable for heavy loads and high-speed applications.
Plain bearings, a...
posted on 20 Jul 2021
Mainly asks about ssc questions
About industry trends and market trends
posted on 13 Mar 2024
I appeared for an interview before Mar 2023.
MCQ based questions which is related to civil
Discussion on cement quality and uses
posted on 15 Jun 2024
I applied via Recruitment Consulltant and was interviewed before Jun 2023. There was 1 interview round.
Consumers should be provided with information related to construction materials, processes, timelines, costs, and warranties.
Details about the construction materials being used
Information on the construction processes involved
Estimated timelines for completion of the project
Breakdown of costs including labor, materials, and any additional fees
Warranty information for the construction work
Slump test is done to measure the workability of concrete.
It is used to determine the consistency and fluidity of freshly mixed concrete.
The test involves filling a mold with concrete, then removing the mold and measuring how much the concrete slumps or sags.
The amount of slump indicates the water content and workability of the concrete.
A higher slump value indicates a more workable mix, while a lower slump value indic...
IS Code of cement and steel are standards set by the Bureau of Indian Standards for quality and safety.
IS Code for cement is IS 269:1989
IS Code for steel is IS 1786:2008
These codes ensure quality, safety, and reliability of construction materials
Following IS Codes is mandatory for construction projects in India
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