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Theory of Machine

Theory of Machine
In S.H.M., acceleration is proportional to

Velocity
All of these
Displacement
Rate of change of velocity

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Theory of Machine
The velocity of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by

ω(R - r₁) cosθ
ωr₁ sinθ
ω(R - r₁) sinθ
ωR cosθ

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Theory of Machine
A kinematic chain requires at least

5 links and 4 turning pairs
4 links and 4 turning pairs
2 links and 3 turning pairs
3 links and 4 turning pairs

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Theory of Machine
A Porter governor is a

Spring loaded governor
Dead weight governor
Pendulum type governor
Inertia governor

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Theory of Machine
In a radial cam, the follower moves

In a direction parallel to the cam axis
In any direction irrespective of the cam axis
In a direction perpendicular to the cam axis
Along the cam axis

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

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