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Coefficient of fluctuation is the ratio of ______

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in Machine Dynamics by (34.3k points)
Coefficient of fluctuation is the ratio of ______

(a) The maximum fluctuation of speed to the mean speed

(b) The minimum fluctuation of speed to the mean speed

(c) The maximum speed to the mean speed

(d) The minimum speed to the maximum speed

The question was asked in an interview.

I would like to ask this question from Coefficient of Fluctuation of Speed topic in chapter Turning Moment Diagrams and Flywheel of Machine Dynamics

1 Answer

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by (38.6k points)
Correct option is (a) The maximum fluctuation of speed to the mean speed

For explanation I would say: Maximum fluctuation of speed is defined as the difference between the maximum and minimum speeds during a cycle. The ratio of the maximum fluctuation of speed to the mean speed is known as the coefficient of fluctuation of speed.

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