Machine Design
The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to (Where, Pc = tension in belt due to centrifugal force)

1 Pc
3 Pc
Pc/3
2 Pc

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Machine Design
Form coefficient of spring is

Load required to produce unit deflection
Its capability of storing energy
Concerned with strength of wire of spring
Ratio of coil diameter to wire diameter

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