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ISRO Mechanical Exam: Theory of Machines Quiz

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Question 1

Sensitiveness of a governor is

Question 2

The number of degree of freedom of a five link plane mechanism with five revolute pairs as shown in the figure is

Question 3

An automotive engine having a mass of 135 kg is supported on 4 springs with liner characteristics. Each of the 2 front springs have stiffness of 3 MN/m while the stiffness of each of 2 rear springs is 4.5 MN/m. The engine speed (rpm) at which resonance is likely to occur is

Question 4

A simple spring-mass vibrating system has a natural frequency of N. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become

Question 5

If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then energy stored in the later at the same speed will be
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