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Theory of Machine

Theory of Machine
The size of cam depends upon

Base circle
Pitch curve
Prime circle
Pitch circle

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Theory of Machine
A system in dynamic balance implies that

There will absolutely no wear of bearings
The system is also statically balanced
The system is critically damped
There is no critical speed in the system

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Theory of Machine
Maximum fluctuation of energy in a flywheel is equal to [where I = Mass moment of inertia of the flywheel, E = Maximum fluctuation of energy, CS = Coefficient of fluctuation of speed, and ω = Mean angular speed = (ω₁ + ω₂)/2]

I.ω².CS
2.E.CS
All of these
I.ω.(ω₁ - ω₂)

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Theory of Machine
If the number of links in a mechanism is equal to l, then the numbers of possible inversions are equal to

l
l - 2
l - 1
l + 1

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Theory of Machine
The number of links in pantograph mechanism is equal to

2
5
3
4

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Theory of Machine
The C.G. of a link in any mechanism would experience

Angular acceleration
Linear acceleration
No acceleration
Both angular and linear accelerations

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