Increasing which of the following factor would result in increase of free torsional vibration?

Name: Increasing which of the following factor would result in increase of free torsional vibration?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The polar moment of inertia is directly related to the torsional stiffness of a shaft. Increasing the polar moment of inertia increases the resistance to twisting, which in turn increases the natural frequency of free torsional vibrations.

Increasing Which of the Following Factor Would Result in Increase