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SSC-JE ME || Theory of Machines 5
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Question 1
A circular solid disc of uniform thickness 20 mm, radius 200 mm and mass 20 kg, is used as a flywheel. If it rotates at 600 rpm, the kinetic energy of the flywheel, in Joules is closest to ?
Question 2
Coefficient of fluctuation of energy for the flywheel is given by
Question 3
For the same indicated work per cycle, mean speed and permissible fluctuation of speed, what is the size of flywheel required for a multi-cylinder engine in comparison to a single-cylinder engine?
Question 4
In which one of the following is a flywheel generally employed?
Question 5
The turning moment diagram for a single cylinder double acting steam engine consists of +ve and –ve loops above and below the average torque line. For the +ve loop, the ratio of the speeds of the flywheel at the beginning and the end is which one of the following?
Question 6
In a flywheel, the safe stress is 
and the density is
Then what is the maximum peripheral velocity
and the density is Then what is the maximum peripheral velocity Question 7
The maximum speed of the governor is 400 rpm and minimum speed is 200 rpm then the sensitiveness is
Question 8
Introduction of the flywheel in a rotating system smoothens
Question 9
A wheel of moment of inertia 0.10 kg-m2 is rotating about a shaft at an angular speed of 160 rev/minute. A second wheel is set into rotation at 300 rev/minute and is coupled to the same shaft so that both the wheels finally rotate with a common angular speed of 200 rev/minute. The moment of inertia of the second wheel (in kg-m2) is?
Question 10
A flywheel should supply an energy of 400 Nm at a mean speed of 20 rad/s. What is the mass moment of inertia if the total fluctuation of speed is not to exceed 
%.
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