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Theory of Machine

Theory of Machine
The amplitude of vibration is always __________ the radius of the circle.

None of these
Greater than
Equal to
Less than

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Theory of Machine
The sense of Coriolis component is such that it

Leads the sliding velocity vector by 180°
Is along the sliding velocity vector
Leads the sliding velocity vector by 90°
Lags the sliding velocity vector by 90°

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Theory of Machine
A higher pair has__________.

None of these
Point contact
No contact
Surface contact

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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
ω² × OQ cosθ
ω² × OQ sinθ

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Theory of Machine
When two links are connected by a pin joint, their instantaneous center lies

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

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Theory of Machine
Module of a gear is

2D/T
T/D
2T/D
D/T

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