SSC JE Mechanical Engineering 2018 Set 1 Paper

Question : 105 of 200

Marks: +1, -0

Which term defines the fluctuation of speed of a flywheel in terms of linear speeds?

Solution:

Fluctuation of speed is difference between maximum and minimum speed during a cycle.
coefficient of fluctuation of speed

= {\Range \of \speed}/{\Average \speed

={ 2(V_1-V_2)}/{V_1+V_2}

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