Concrete The 7 day strength of concrete using OPC shall be -

[Dnyan Deshmukh]

The 7 day strength of concrete using OPC shall be -

(a) 1/3 rd

(b) 1/4 th

(c) Half

(d) 1/5 th of 28 days strength.

The correct Answer Is
(d) 1/5 th of 28 days strength