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Theory of Machine

Theory of Machine
The periodic time of one oscillation for a simple pendulum is

2π. √(l/g)
2π. √(g/l)
(1/2π). √(l/g)
(1/2π). √(g/l)

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Theory of Machine
The frequency of oscillation of a torsional pendulum is

r/2πk. √(l/g)
2πk/r. √(g/l)
r/2πk. √(g/l)
2πr/k. √(g/l)

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Theory of Machine
The Coriolis component of acceleration exists whenever a point moves along a path that has

Tangential acceleration
Gravitational acceleration
Linear displacement
Rotational motion

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Theory of Machine
When the sleeve of a Porter governor moves downwards, the governor speed

First increases and then decreases
Decreases
Remain unaffected
Increases

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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

Radial component
Tangential component
Coriolis component
None of these

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Theory of Machine
If there are L number of links in a mechanism, then number of possible inversions is equal to

L
L - 1
L + 2
L + 1

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