In crushing test on coarse aggregates, what size particle is taken as a sample?(a) Passing 12.5mm IS sieve(b) Retained on 10mm IS sieve(c) Passing 10mm and retained on 4.75mm IS sieve(d) Passing 12.5mm and retained on 10mm IS sieveI had been asked this question in homework.My question is from Coarse Aggregates topic in portion Materials for Construction of Basic Civil Engineering

In crushing test on coarse aggregates, what size particle is taken as

1.	In crushing test on coarse aggregates, what size particle is taken as a sample?(a) Passing 12.5mm IS sieve(b) Retained on 10mm IS sieve(c) Passing 10mm and retained on 4.75mm IS sieve(d) Passing 12.5mm and retained on 10mm IS sieveI had been asked this question in homework.My question is from Coarse Aggregates topic in portion Materials for Construction of Basic Civil Engineering
Answer» The correct choice is (d) Passing 12.5mm and RETAINED on 10MM IS sieve Explanation: As per IS code 383, the sample should contain those aggregates which PASS through 12.5mm sieve and are retained on 10mm IS sieve.

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