1
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 ________.
2
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 _______
3
GATE ME 2013
MCQ (Single Correct Answer)
+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
$$125$$
4
GATE ME 2007
MCQ (Single Correct Answer)
+2
-0.6
The speed of an engine varies from $$210$$ rad/s to $$190$$ rad/s. During cycle the change in kinetic energy is found to be $$400$$ Nm. The inertia of the flywheel in kgm2 is
A
$$0.10$$
B
$$0.20$$
C
$$0.30$$
D
$$0.40$$
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