B. D4 – d4)
C. D4 – d4)
D. D4 – d4)(Correct)
If and are external and internal diameters of a circular shaft respectively, its polar moment of inertia, is________________?
B. D4 – d4)
C. D4 – d4)
D. D4 – d4)(Correct)
B. D4 – d4)
C. D4 – d4)
D. D4 – d4)(Correct)