Machine Design
When the belt is transmitting maximum power,

The tension in tight side is twice the centrifugal tension
The tension in tight side is thrice the centrifugal tension
The tension in slack side is equal to the centrifugal tension
None of these

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Machine Design
Machine screws are

Similar to small size tap bolts except that a greater variety of shapes of heads are available
Similar to stud
Slotted for a screw driver and generally used with a nut
Used to prevent relative motion between two parts

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