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Theory of Machine

Theory of Machine
In a shaper mechanism, the Coriolis component of acceleration will

None of these
Exist
Depend on position of crank
Not exist

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Theory of Machine
If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach

180°
360°
90°
0°

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Theory of Machine
Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is

10
20
30
34

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Theory of Machine
The purpose of a link is to

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

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Theory of Machine
If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then energy stored in the latter at the same speed will be

One and a half times the first one
Four times the first one
Same as the first one
One fourth of the first one

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Theory of Machine
Which of the following governor is used to drive a gramophone?

Porter governor
Pickering governor
Watt governor
Hartnell governor

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