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Theory of Machine

Theory of Machine
The locus of a point on a thread unwound from a cylinder will be

Cycloidal
Involute
A straight line
A circle

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Theory of Machine
With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by

2E²CS
2ECS²
2ECS
EC S/2

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Theory of Machine
The Klein's diagram is useful to find

Angular acceleration of various parts
Acceleration of various parts
Velocity of various parts
Displacement of various parts

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Theory of Machine
A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is

52.92 N-s/m
529.2 N-s/m
18.52 N-s/m
1.4 N-s/m

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Theory of Machine
When a slider moves on a fixed link having curved surface, their instantaneous centre lies

At the pin joint
At the centre of circle
At the centre of curvature
On their point of contact

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Theory of Machine
Which of the below are inversions of slider crank mechanism? 1. Oscillating cylinder engine mechanism 2. Toggle mechanism 3. Radial cylinder engine mechanism 4. Quick return mechanism

1, 2 and 3
1, 2 and 4
2, 3 and 4
1, 3 and 4

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