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 in strands is opposite to the direction of twist of strands
Direction of twist of wires and strands are same

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Machine Design
When a machine member is subjected to torsion, the torsional shear stress set up in the member is

Maximum at the centroidal axis and zero at the outer surface of the member
Zero at both the centroidal axis and outer surface of the member
Maximum at both the centroidal axis and outer surface of the member
Zero at the centroidal axis and maximum at the outer surface of the member

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