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Theory of Machine

Theory of Machine
In order to double the period of a simple pendulum, the length of the string should be

Quadrupled
Halved
Doubled
None of these

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Theory of Machine
The ratio of the number of teeth to the pitch circle diameter in millimeters, is called

Diametral pitch
Circular pitch
Module
None of these

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Theory of Machine
Sense of tangential acceleration of a link

Could be either same or opposite to velocity
Is perpendicular to that of velocity
Is same as that of velocity
Is opposite to that of velocity

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Theory of Machine
Which of the following is an example of a higher pair?

Belt and rope drive
All of the listed here
Toothed gearing
Ball and roller bearing

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Theory of Machine
An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be

625°K
650°K
600°K
700°K

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Theory of Machine
The Bifilar suspension method is used to determine

Centripetal acceleration
Moment of inertia
Natural frequency of vibration
Position of balancing weights

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