The Quality of Concrete For a Good Layer From Rebound Hammer

What will be the quality of concrete for a good layer from rebound hammer values, as per IS code.

A) >40
B) 30 to 40
C) 20 to 30
D) <20

ANSWER= (B) 30 to 40
Explain:- Correct answer for question What will be the quality of concrete for a good layer from rebound hammer values, as per IS code is (B) 30 to 40
Check Answer

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