Machine Design
In composite or reverse laid ropes

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
Wires are not twisted
Wires in two adjacent strands are twisted in opposite direction

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Machine Design
In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing

Becomes minimum at an optimum speed and then increases with further increase in speed
Is minimum at zero speed and increases monotonically with increase in speed
Remains constant at all speeds
Is maximum at zero speed and decreases monotonically with increase in speed

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