+1 vote
in Machine Dynamics by (34.3k points)
At a nodal point in the shaft, the frequency of vibration is _________

(a) Zero

(b) Double than at the ends

(c) Minimum

(d) Maximum

I had been asked this question during an internship interview.

My question is taken from Free Torsional Vibrations of a Geared System topic in chapter Torsional Vibrations of Machine Dynamics

1 Answer

0 votes
by (38.6k points)
The correct answer is (a) Zero

The explanation: A point of zero vibration is known as a node, hence at a nodal point the amplitude of frequency of free torsional vibration is zero.

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