Answer / dushyant bansal

all of them have strength

415 N/mm^2 for Fe 415 grade and
500 N/mm^2 for Fe 500 grade steel

Answer / kalpesh divekar

415 N/mm2
500N/mm2

why compression strenth of concrete is tested with a cube of size 150x150x150 mm ?

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What is IS ?

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