In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength

[Srinivasan]

In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing
strength

(A) 100 kg/cm2

(B) 200 kg/cm2

(C) 300 kg/cm2

(D) 400 kg/cm2



The correct Answer Is
(D) 400 kg/cm2