The maximum twisting moment a shaft can resist, is the product of the permissible shear stress
and
(A) Moment of inertia
(B) Polar moment of inertia
(C) Polar modulus
(D) Modulus of rigidly
and
(A) Moment of inertia
(B) Polar moment of inertia
(C) Polar modulus
(D) Modulus of rigidly