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Theory of Machine

Theory of Machine
The Hooke's joint consists of:

Four forks
Three forks
Two forks
One fork

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

Mechanism
Inversion
Machine
Structure

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Theory of Machine
The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing)

½μWR
¾μWR
μwr
²/₃ μWR

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Theory of Machine
The acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by

ω² R cosθ
ω² (R - r₁) cosθ
ω² (R - r₁) sinθ
ω² r₁ sinθ

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Theory of Machine
The indicator using Watt mechanism is known as

Simplex indicator
Thomson indicator
Thompson indicator
Richard indicator

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Theory of Machine
The relation between the controlling force (Fc) and radius of rotation (r) for a stable spring controlled governor is

Fc = ar + b
Fc = ar - b
Fc = ar
Fc = a/r + b

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