List of top Applied Mechanics and Design Questions on Flywheels and governors asked in GATE ME

The change in kinetic energy ΔE of an engine is 300 J, and minimum and maximum shaft speeds are w_min = 220 rad/s and w_max = 280 rad/s, respectively. Assume that the torque-time function is purely harmonic. To achieve a coefficient of fluctuation of 0.05, the moment of inertia (in kg.m²) of the flywheel to be mounted on the engine shaft is

The controlling force curves P, Q and R for a spring controlled governor are shown in the figure, where \( r_1 \) and \( r_2 \) are any two radii of rotation.

The characteristics shown by the curves are