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Theory of Machine

Theory of Machine
Cam size depends upon

Base circle
Pitch circle
Prime circle
Outer circle

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Theory of Machine
The following is the inversion of slider crank chain mechanism

All of these
Oscillating cylinder engine
Hand pump
Whitworth quick return mechanism

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Theory of Machine
The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a left turn. The effect of gyroscopic couple acting on it will be

To raise the bow and lower the stern
To lower the bow and stern
To raise the stern and lower the bow
To raise the bow and stern

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Theory of Machine
If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach

90°
360°
180°
0°

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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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Theory of Machine
The angle of inclination of the plane, at which the body begins to move down the plane is called

Angle of repose
None of these
Angle of friction
Angle of projection

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