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Theory of Machine

Theory of Machine
The mechanism forms a structure, when the number of degrees of freedom (n) is equal to

-1
1
2

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Theory of Machine
The following is the inversion of slider crank chain mechanism

Oscillating cylinder engine
Whitworth quick return mechanism
Hand pump
All of these

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Theory of Machine
In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is

Equal to sum of other two
Greater than sum of other two
Less than sum of other two
There is no such relationship

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

Linear acceleration
No acceleration
Angular acceleration
Both angular and linear accelerations

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Theory of Machine
In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed

Pickering governor
Inertia governor
Wilson Hartnell governor
Hartung governor

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Theory of Machine
Carnot cycle is

a reversible cycle
an irreversible cycle
a semi-reversible cycle
a quasi static cycle

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