For crushing test what is the size of a specimen to be used?(a) 50 × 50 × 50mm(b) 100 × 100 × 100mm(c) 45 × 45 × 45mm(d) 40 × 40 × 40mmThis question was posed to me in examination.I would like to ask this question from Tests on Stones in division Materials for Construction of Basic Civil Engineering

For crushing test what is the size of a specimen to be used?(a) 50 ×

1.	For crushing test what is the size of a specimen to be used?(a) 50 × 50 × 50mm(b) 100 × 100 × 100mm(c) 45 × 45 × 45mm(d) 40 × 40 × 40mmThis question was posed to me in examination.I would like to ask this question from Tests on Stones in division Materials for Construction of Basic Civil Engineering
Answer» The correct ANSWER is (d) 40 × 40 × 40mm Best explanation: As per the IS codes, 40 × 40 × 40 mm SIZE cube of stone is to be used to perform the CRUSHING test. The specimen is then placed in compression testing machine (CTM) and loaded at 14 N/mm^2.

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