Machine Design
The effective stress in wire ropes during normal working is equal to the stress due to

Bending plus stress due to acceleration/retardation
Axial load plus stress due to acceleration/retardation
Acceleration/retardation of masses plus stress due to bending
Axial load plus stress due to bending

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Machine Design
In composite or reverse laid ropes

Wires are not twisted
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

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Machine Design
A compound belt drive is used when

Shafts are arranged at right angles and rotate in one definite direction
Shafts are arranged parallel and rotate in the opposite directions
None of these
Shafts are arranged parallel and rotate in the same directions

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