is 1400 kg/cm2 and bond stress is 6 kg/cm2, the If tensile stress of a steel rod of diameter required bond length of the rod is

Q. is 1400 kg/cm2 and bond stress is 6 kg/cm2, the If tensile stress of a steel rod of diameter required bond length of the rod is

A.            30 D

B.            39 D

C.            50 D

D.            59 D

Answer: 59 D