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Which of the following is correct regarding isolation factor?

(a) Dimensionless quantity

(b) Has Newton as its unit

(c) Has joule as its Unit

(d) Has Hz as its unit

This question was posed to me in quiz.

My question is from Vibration Isolation and Transmissibility in section Torsional Vibrations of Machine Dynamics

1 Answer

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by (38.6k points)
The correct choice is (a) Dimensionless quantity

Explanation: Isolation factor is a ratio of transmitted force to the applied force, since it is a ratio of two quantities having same dimension, it is a dimensionless quantity.

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