Theory of Machine
When the sleeve of a Porter governor moves downwards, the governor speed

Decreases
First increases and then decreases
Remain unaffected
Increases

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Theory of Machine
In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is constant, then

Both open belt drive and crossed belt drive is recommended
Open belt drive is recommended
Crossed belt drive is recommended
The drive is recommended depending upon the torque transmitted

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