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Theory of Machine

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

Machine
Inversion
Structure
Mechanism

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Theory of Machine
Which of the following is an inversion of a double slider crank chain?

Elliptical trammel
All of these
Scotch yoke mechanism
Oldham's coupling

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Theory of Machine
A circle passing through the pitch point with its center at the center of cam axis is known as

Pitch circle
Base circle
Prime circle
Outer circle

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Theory of Machine
A point on a connecting link (excluding end points) of a double slider crank mechanism traces a

Parabolic path
Elliptical path
Straight line path
Hyperbolic path

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

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Theory of Machine
Frequency of vibrations is usually expressed in

Number of cycles per second
Number of cycles per minute
None of these
Number of cycles per hour

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