Civil Engineering MCQAE Level Civil Engineering
As per IS 456:2000, the maximum water-cement ratio permitted for M25 concrete in moderate exposure condition is:
Building MaterialsConcrete PropertiesHARD
Choose the correct answer
A
0.45
B
0.50
C
0.55
D
0.60
Correct Answer
B. 0.50
Why is this the answer?
IS 456:2000 Table 5 specifies maximum w/c ratio of 0.50 for M25 grade concrete in moderate exposure. Stricter ratios (0.45) apply to severe and very severe exposures.
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