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Theory of Machine

Theory of Machine
If the opposite links of a four bar linkage are equal, the links will always form a

Rectangle
Triangle
Parallelogram
Pentagon

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Theory of Machine
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 latter at the same speed will be

One and a half times the first one
Same as the first one
Four times the first one
One fourth of the first one

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Theory of Machine
When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than

1
0.25
2
0.5

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Theory of Machine
The secondary unbalanced force is maximum __________ in one revolution of the crank.

Sixteen times
Two times
Four times
Eight times

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Theory of Machine
The component of the acceleration, perpendicular to the velocity of the particle, at the given instant is called

Coriolis component
Radial component
None of these
Tangential component

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Theory of Machine
A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become

tp /16
tp /4
16 tp
4 tp

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