The engine has the flywheel of mass 7 tons and the radius of gyration – McqOptions

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1.	The engine has the flywheel of mass 7 tons and the radius of gyration is 1.7 m. The fluctuation of energy is 55 kN-m. The mean speed of the engine is 150 rpm. What is the coefficient of fluctuation of speed?
A.	0.021
B.	0.011
C.	0.031
D.	0.041
Answer» C. 0.031

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