The minimum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of

The minimum thickness of the cover at the end of a reinforcing bar should not be less than twice
the diameter of the bar subject to a minimum of

(A) 10 mm

(B) 15 mm

(C) 20 mm

(D) 25 mm

The correct Answer Is
(D) 25 mm