Machine Design
The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to

6/(6 + v)
4.5/(4.5 + v)
0.75/(0.75 + √v)
3/(3 + v)

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Machine Design
In composite or reverse laid ropes

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

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