Theory of Machine
The ratio of maximum fluctuation of energy to the work-done per cycle is called

None of these
Coefficient of fluctuation of energy
Maximum fluctuation of energy
Fluctuation of energy

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Theory of Machine
A rotor which is balanced statically but not dynamically is supported on two bearings L apart and at high speed of the rotor, reaction on the left bearing is R. The right side of the bearing is shifted to a new position 2L apart from the left bearing. At the same rotor speed, dynamic reaction on the left bearing in the new arrangement will

Become equal to R/2
Remain same as before
Become equal to R/4
Become equal to 2R

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