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Theory of Machine

Theory of Machine
A slider moves at a velocity v on a link revolving at ω rad/s. The coriolis component of acceleration is

2ωv²
ω²v
2ωv
ωv

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Theory of Machine
Typewriter constitutes

Mechanism
Inversion
Machine
Structure

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Theory of Machine
In a turning moment diagram, the variations of energy above and below the mean resisting torque line is called

Fluctuation of energy
Maximum fluctuation of energy
None of the listed here
Coefficient of fluctuation of energy

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Theory of Machine
Instantaneous center of rotation of a link in a four bar mechanism lies on

A point obtained by intersection on extending adjoining links
Left side pivot of this link
Right side pivot of this link
Can’t occur

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

Five link mechanism
Roller cam mechanism
Kinematic chain
Slider crank mechanism

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Theory of Machine
The transmissibility, for all values of damping factor, will be less than unity, if ω/ωn is

Greater than 2
Equal to 2
Equal to 1
Less than 2

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