Theory of Machine
It is required to connect two parallel shafts, the distance between whose axes is small and variable. The shafts are coupled by

Oldham's coupling
Knuckle joint
Flexible coupling
Universal joint

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Theory of Machine
Sensitiveness of the governor is defined as the ratio of the

Sum of the maximum and minimum equilibrium speeds to the mean speed
Mean speed to the minimum equilibrium speed
Mean speed to the maximum equilibrium speed
Difference of the maximum and minimum equilibrium speeds to the mean speed

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