If tensile stress of a steel rod of diameter is 1400 kg/cm2
and bond stress is 6 kg/cm2
, the
required bond length of the rod is
(A) 30 D
(B) 39 D
(C) 50 D
(D) 59 D
and bond stress is 6 kg/cm2
, the
required bond length of the rod is
(A) 30 D
(B) 39 D
(C) 50 D
(D) 59 D