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Theory of Machine

Theory of Machine
A higher pair has__________.

No contact
None of these
Surface contact
Point contact

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Theory of Machine
The natural frequency of free transverse vibrations due to a point load acting over a simply supported shaft is equal to (where δ = Static deflection of a simply supported shaft due to the point load)

0.5615/√δ
0.4985/√δ
0.571/√δ
0.6253/√δ

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Theory of Machine
The gear train usually employed in clocks is a

Differential gear
Sun and planet gear
Simple gear train
Reverted gear train

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

Hyperbola
Parabola
Ellipse
Circle

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Theory of Machine
A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the

Angular velocity of journal
Radius of journal
Clearance between journal and bearing
Magnitude of the forces on journal

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Theory of Machine
When one of the links of a kinematic chain is fixed, the chain is known as a

Structure
Inversion
Machine
Mechanism

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