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Theory of Machine

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

Less than
None of these
Equal to
Greater than

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Theory of Machine
In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is

There is no such relationship
Greater than sum of other two
Equal to sum of other two
Less than sum of other two

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Theory of Machine
The velocity of a particle moving with simple harmonic motion, at any instant is given by (where ω = Displacement of the particle from mean position)

ω² √(r² - x²)
ω √(r² - x²)
ω² √(x² - r²)
ω √(x² - r²)

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Theory of Machine
A circular bar moving in a round hole is an example of

Completely constrained motion
Successfully constrained motion
Partially constrained motion
Incompletely constrained motion

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Theory of Machine
In a simple harmonic motion, the velocity vector with respect to displacement vector

Lags by 90°
Leads by 180°
Is in phase
Leads by 90°

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Theory of Machine
The purpose of a link is to

Guide other links
Act as a support
Transmit motion
All of these

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