Civil Engineering MCQJE Level Civil Engineering
For a circular shaft transmitting torque, polar moment of inertia is:
Strength of MaterialsStrength of MaterialsHARD
Choose the correct answer
A
bd^3/12
B
pi d^3/16
C
pi d^4/16
D
pi d^4/32
Correct Answer
D. pi d^4/32
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For a solid circular shaft, J = pi d^4/32.
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