+1 vote
in Machine Dynamics by (34.3k points)
For the same dimensions of the shaft which of the following has the greater natural frequency?

(a) Transverse

(b) Longitudinal

(c) Depends on thickness

(d) Depends upon length

This question was posed to me at a job interview.

Query is from Natural Frequency of Free Transverse Vibrations in chapter Longitudinal and Transverse Vibrations of Machine Dynamics

1 Answer

0 votes
by (38.6k points)
Right option is (b) Longitudinal

Explanation: If the dimensions of the testing beam are kept same, it is observed that the natural frequency of vibrations obtained in longitudinal waves is larger than the one obtained in transverse waves.

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