Machine Design
Plastic flow in ductile materials

Lessens the seriousness of static loading stress concentration
Increases the seriousness of static loading stress concentration
Has no effect on it
Depends on other considerations

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Machine Design
In composite or reverse laid ropes

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

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