1
GATE ME 2014 Set 2
Numerical
+2
-0
Maximum fluctuation of kinetic energy in an engine has been calculated to be $$2600$$ J. Assuming that the engine runs at an average speed of $$200$$ rpm, the polar mass moment of inertia ( in kg.m2 ) of a flywheel to keep the speed fluctuation within $$\, \pm 0.5\%$$ of the average speed is _______ .
2
GATE ME 2014 Set 2
Numerical
+2
-0
Consider a flywheel whose mass $$M$$ is distributed almost equally between a heavy, ring-like rim of radius $$R$$ and a concentric disk-like feature of radius $$R/2$$. Other parts of the flywheel, such as spokes, etc, have negligible mass. The best approximation for $$\alpha ,$$ if the moment of inertia of the flywheel about its axis of rotation is expressed as $$\,\alpha M{R^2},\,\,$$ is ________.
3
GATE ME 2014 Set 4
Numerical
+2
-0
Torque and angular speed data over one cycle for a shaft carrying a flywheel are shown in the figures. The moment of inertia (in kg.m2 ) of the flywheel is _______
4
GATE ME 2013
+2
-0.6
A flywheel connected to a punching machine has to supply energy of $$400$$ Nm while running at a mean angular speed of $$20$$ rad/s. If the total fluctuation of speed is not to exceed $$\pm 20\%$$, the mass moment of inertia of the flywheel in kg-m2 is
A
$$25$$
B
$$50$$
C
$$100$$
D
$$125$$
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