The outside diameter of a hollow shaft is thrice to its inside diamete – McqOptions

MCQOPTIONS

1.	The outside diameter of a hollow shaft is thrice to its inside diameter. The ratio of its torque carrying capacity to that of a solid shaft of the same material and the same outside diameter is:
A.	80/81
B.	1/81
C.	8/9
D.	1/9
Answer» B. 1/81

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