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In the figure given below, the areas BbC, CcD represent _______

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in Machine Dynamics by (34.3k points)
In the figure given below, the areas BbC, CcD represent _______

(a) Power generated

(b) Power lost

(c) Fluctuation of energy

(d) Change in momentum

This question was posed to me during an interview.

My query is from Coefficient of Fluctuation of Energy topic in chapter Turning Moment Diagrams and Flywheel of Machine Dynamics

1 Answer

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by (38.6k points)
Correct option is (c) Fluctuation of energy

For explanation I would say: The variations of energy above and below the mean resisting torque line are called fluctuations of energy. The areas under the following curves: BbC, CcD, DdE and so on represent fluctuations of energy.

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