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Theory of Machine

Theory of Machine
The flank of the tooth is the surface of the tooth __________ the pitch surface.

Above
None of these
Below
At

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Theory of Machine
If the radius of gyration of a compound pendulum about an axis through e.g. is more, then its frequency of oscillation will be

Data are insufficient to determine same
Same
More
Less

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Theory of Machine
When the axes of the first and last wheels are coaxial, then the train is known as

Reverted gear train
Simple train of wheels
Epicyclic gear train
Compound train of wheels

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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)

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

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Theory of Machine
A single degree of freedom system is given by, m × (d²x/dt²) + c × (dx/dt) + sx = F.cosω.t with usual notations. It represents

Free vibration with damping
Forced vibration with damping
Free vibration without damping
Forced vibration without damping

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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

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

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