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The coefficient of fluctuation of speed is the _________ of maximum fluctuation of speed and the mean speed.

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in Machine Dynamics by (34.3k points)
The coefficient of fluctuation of speed is the _________ of maximum fluctuation of speed and the mean speed.

(a) product

(b) ratio

(c) sum

(d) difference

I got this question in quiz.

This intriguing question comes from Energy Stored in a Flywheel topic in chapter Turning Moment Diagrams and Flywheel of Machine Dynamics

1 Answer

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by (38.6k points)
The correct option is (b) ratio

Easy explanation: The difference between the maximum and minimum speeds during a cycle is called the maximum fluctuation of speed.

The ratio of the maximum fluctuation of speed to the mean speed is called coefficient of fluctuation of speed.

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