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Theory of Machine

Theory of Machine
If ω/ωn = 2, where co is the frequency of excitation and ωn is the natural frequency of vibrations, then the transmissibility of vibration will the

0.5
1
1.5
2

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Theory of Machine
According to Kennedy's theorem, if three bodies move relatively to each other, their instantaneous centers will lie on a

Rectangle
Triangle
Straight line
Parabolic curve

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Theory of Machine
Longitudinal vibrations are said to occur when the particles of a body moves

Perpendicular to its axis
Parallel to its axis
None of these
In a circle about its axis

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Theory of Machine
An automobile steering gear is an example of

Lower pair
Sliding pair
Higher pair
Rolling pair

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Theory of Machine
A body having moment of inertia o:m2 is rotating at 210 RPM and r with another body at rest having I 40 kg m2. The resultant speed after ing will be

data are insufficient
100 RPM
90 RPM
80 RPM

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Theory of Machine
Whitworth quick return mechanism is obtained by inversion of

Kinematic chain
Roller cam mechanism
Five link mechanism
Slider crank mechanism

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