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I applied via Recruitment Consulltant and was interviewed in Feb 2023. There were 2 interview rounds.
The question is related to building materials and concrete grades. It also asks about the difference between M20 and M25.
Grade of concrete refers to the strength of the concrete mix. It is denoted by the ratio of cement, sand, and aggregate.
Tests related to building materials include compressive strength test, water absorption test, and soundness test.
M20 and M25 are both grades of concrete mix. M20 has a compressive s...
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