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Theory of Machine

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 + 1
L + 2

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Theory of Machine
The primary unbalanced force is maximum _________ in one revolution of the crank.

Twice
Four times
Eight times
Sixteen times

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Theory of Machine
Bifilar suspension method is used to find the

Moment of inertia of the body
Frequency of vibration of the body
Angular acceleration of the body
Periodic time of the body

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Theory of Machine
Klein's construction gives a graphic construction for

Slider-crank mechanism
Velocity polygon
Acceleration polygon
Four bar chain mechanism

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Theory of Machine
The frictional torque transmitted in a flat pivot bearing with assumption of uniform pressure is _________ as compared to uniform wear.

Less
Same
More
None of the listed here

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Theory of Machine
The retardation of a flat faced follower when it has contact at the apex of the nose of a circular arc cam, is given by (where OQ = Distance between the centre of circular flank and centre of nose)

ω² × OQ tanθ
ω² × OQ cosθ
ω² × OQ sinθ
ω² × OQ

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