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What is the coefficient of fluctuation of energy?(a) The ratio of the maximum fluctuation of energy to the minimum fluctuation of energy(b) The ratio of the maximum fluctuation of energy to the work done per cycle(c) The ratio of the minimum fluctuation of energy to the maximum fluctuation of energy(d) The ratio of the work done per cycle to the maximum fluctuation of energyThis question was addressed to me during an interview.Query is from Flywheel in chapter Internal Combustion Engines of Automobile Engineering

Answer»

Correct answer is (b) The ratio of the maximum fluctuation of energy to the work DONE per cycle

The best explanation: The coefficient of fluctuation of energy (CE) is the ratio of the maximum fluctuation of energy to the work done per cycle. CE =\(\FRAC{\DELTA E}{T_{mean} \theta}\) where ΔE = maximum fluctuation of energy, Tmean*θ = work done per cycle, Tmean = mean TORQUE, and θ = angle turned in radian in ONE cycle.



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