As per IS: 456 – 1978, the concrete mixes have been designated into – McqOptions

MCQOPTIONS

1.	As per IS: 456 – 1978, the concrete mixes have been designated into 7 grades. Which one out of the following seven grades (given below) is not the correct grade of concrete mix?M100, M200, M250, M150, M50, M350, M300
A.	M100
B.	M50
C.	M350
D.	M300
Answer» C. M350

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