Machine Design
For same pulley diameters, center distance, belt speed and belt and pulley materials,

Power transmission does not depend upon open and crossed types of constructions
Open belt drive transmits more power than crossed belt drive
Open and crossed belt drives transmit same power
Crossed belt drive transmits more power than open belt drive

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Machine Design
In cross or regular lay ropes

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

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