Machine Design
In cross or regular lay ropes

Wires are not twisted
Wires in two adjacent strands are twisted in opposite direction
Direction of twist of wires and strands are same
Direction of twist of wires in strands is opposite to the direction of twist of strands

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Machine Design
When a belt drive is transmitting maximum power,

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

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