engineering recuitment NHPC JE & THDC JE 2023 Mock Test Theory of Machines Flywheel Maximum Fluctuation of Energy
The flywheel of moment of inertia 9.8 kg-m2 fluctuates by 30 rpm for a fluctuation in energy of 1936 Joules. The mean speed of the flywheel, in rpm, is
1
600
2
900
3
968
4
2940