Civil Engineering MCQCivil Engineering (Shared)
Which statement about M20 concrete is correct?
Concrete Technology & RCCM20 meaningMEDIUM
Choose the correct answer
A
20 is characteristic cube strength at 28 days in MPa
B
20 is maximum aggregate size only
C
20 is minimum cement content
D
20 is water-cement ratio percent
Correct Answer
A. 20 is characteristic cube strength at 28 days in MPa
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Grade number denotes characteristic 28-day cube strength, not cement content or aggregate size. Reference: Clause 6.1; Table 2 | Page: verify from your official BIS copy/PDF pagination
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