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Theory of Machine

Theory of Machine
The frequency of damped vibrations with viscous damping is ________ the frequency of undamped vibrations.

More than
Same as
Less than
None of these

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Theory of Machine
A point on a link connecting double slider crank chain traces a

Ellipse
Hyperbola
Parabola
Circle

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Theory of Machine
A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected by an arm. The number of turns made by the smaller gear for one revolution of arm about the centre of bigger gear is

2
5
4
3

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Theory of Machine
A watt's governor can work satisfactorily at speeds from

100 to 200 r.p.m.
80 to 100 r.p.m.
60 to 80 r.p.m.
200 to 300 r.p.m.

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Theory of Machine
In order to balance the reciprocating masses,

Secondary forces and couples must be balanced
Primary forces and couples must be balanced
None of these
Both (A) and (B)

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Theory of Machine
The C.G. of a link in any mechanism would experience

Both angular and linear accelerations
No acceleration
Angular acceleration
Linear acceleration

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