Machine Design
In skew bevel gearing, the axes of shafts are

Non-intersecting and non-parallel and the teeth are straight
Non-intersecting and nonparallel and the teeth are curved
Intersecting and the teeth are curved
None of these

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Machine Design
In cross or regular lay ropes

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

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