Machine Design
At low temperatures (say 75°C) the notched bar impact value of steel

Decreases markedly
Depends on heat treatment carried out
Increases markedly
Remain same

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Machine Design
In cross or regular lay ropes

Direction of twist of wires and strands are same
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

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