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Theory of Machine

Theory of Machine
A mechanism _________ for transmitting or transforming motion.

None of these
Unpredictable
Can be used
Can not be used

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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

0.5
2
1
1.5

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Theory of Machine
The fundamental equation for correct steering is (where φ and α = Angle through which the axis of the outer wheel and inner wheel turns respectively, c = Distance between the pivots of the front axles, and d = Wheel base)

tanφ + cotα = b/c
sinφ + sinα = b/c
cotφ - cotα = c/b
cosφ - sinα = c/b

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Theory of Machine
Under logarithmic decrement, the amplitude of successive vibrations are

In arithmetic progression
In geometric progression
Constant
In logarithmic progression

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Theory of Machine
________ is an inversion of Double slider crank chain.

Hand pump
Reciprocating engine
Scotch yoke mechanism
Coupling rod of a locomotive

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Theory of Machine
When a point at the end of a link moves with constant angular velocity, its acceleration will have

Tangential component only
Radial and tangential components both
Coriolis component only
Radial component only

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