Theory of Machine
TJIE horse power transmitted by a belt is dependent upon

Tension on slack side of belt
Tension on tight side of belt
Radius of pulley
All of these

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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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