Machine Design
When a belt drive is transmitting maximum power,

Driving tension on slack side is equal to centrifugal tension
Effective tension is equal to centrifugal tension
Effective tension is half of centrifugal tension
Driving tension on tight side is twice the centrifugal tension

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Machine Design
Slenderness ratio is the ratio of

Effective length of column to width of column
Effective length of column to least radius of gyration of the column
Width of column to depth of column
Maximum size of column to minimum size of column

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