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Theory of Machine

Theory of Machine
Module of a gear is

T/D
2T/D
D/T
2D/T

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Theory of Machine
A mechanism is an assemblage of

All of these
Four or more than four links
Three links
Two links

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Theory of Machine
The velocity of the belt for maximum power is (where m = Mass of the belt in kg per meter length)

(T.g)/3
T/3
√(3m/T)
√(T/3m)

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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
0.571/√δ
0.6253/√δ
0.4985/√δ

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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

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

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Theory of Machine
Which of the following mechanisms produces mathematically an exact straight line motion?

Grasshopper mechanism
Peaucellier's mechanism
Tchebicheff mechanism
Watt mechanism

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