engineering recuitment AAI JE Technical Mock Test 2020-21 Theory of Machines Flywheel Fluctuation of Speed
A flywheel connected to a punching machine has to supply energy of 400 Nm while running at a mean angular speed of 20 radians/s. If the total fluctuation of speed is not to exceed ±2%, the mass moment of inertia of the flywheel in kg – m2 is
1
25
2
50
3
100
4
125