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Theory of Machine

Theory of Machine
The approximate straight line mechanism is a

Four bar linkage
8 bar linkage
6 bar linkage
3 bar linkage

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Theory of Machine
When the axes of the first and last wheels are coaxial, then the train is known as

Simple train of wheels
Reverted gear train
Compound train of wheels
Epicyclic gear train

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Theory of Machine
In vibration isolation system, if ω/ωn < 2, then for all values of damping factor, the transmissibility will be (where ω = Angular speed of the system, ωn = Natural frequency of vibration of the system)

Equal to unity
Greater than unity
Zero
Less than unity

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Theory of Machine
In steady state forced vibrations, the amplitude of vibrations at resonance is __________ damping coefficient.

Equal to
Inversely proportional to
Directly proportional to
Independent of

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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

Tangential component
Radial component
Coriolis component
None of these

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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
Angle of friction
Angle of projection
None of these

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