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Theory of Machine

Theory of Machine
The secondary unbalanced force is __________ the primary unbalanced force.

n times
1/n times
Two-third
One-half

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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

0°
180°
90°
360°

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Theory of Machine
A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism is

Data is not sufficient to determine same
Not sound
Soundness would depend upon which link is kept fixed
Kinematically sound

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Theory of Machine
In a locomotive, the maximum magnitude of the unbalanced force along the perpendicular to the line of stroke, is known as

Hammer blow
None of these
Tractive force
Swaying couple

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Theory of Machine
Cylindrical cams can be classified as

None of these
Circular
Tangent
Reciprocating

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Theory of Machine
The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in

Three planes
Four planes
A single plane
Two planes

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