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Theory of Machine

Theory of Machine
Shaft revolving in a bearing is the following type of pair

Cylindrical pair
Lower pair
Higher pair
Spherical pair

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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
If ω/ωn = 2, where co is the frequency of excitation and ωn is the natural frequency of vibrations, then the transmissibility of vibration will the

1
2
0.5
1.5

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Theory of Machine
Any point on a link connecting double slider crank chain will trace a

Parabola
Straight line
Ellipse
Circle

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Theory of Machine
To obviate axial thrust, following gear drive is used

Single helical gear in which one of the teeth of helix angle a is more
Double helical gears having opposite teeth
Mutter gears
Double helical gears having identical teeth

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Theory of Machine
The absolute acceleration of any point ‘P’ in a link about center of rotation ‘O’ is

At 45° to PO
None of the listed here
Along PO
Perpendicular to PO

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MORE MCQ ON Theory of Machine

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