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RVUNL ME || Theory of Machines || Quiz 3

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Question 1

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 2

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 %.

Question 3

A governor is running at constant speed. What is value of the force acting on the sleeve __________?

Question 4

Sensitiveness of a governor is the ratio of

Question 5

The maximum and minimum speed of a governor is 50 rad/s and 30 rad/s. Its sensitiveness is_____.

Question 6

When the relation FC = a.r + b is satisfied for a spring controlled governor as the relation between controlling force (FC) and radius of rotation (r). This type of governor is known as _________.
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