_When the screw in a mechanical screw jack rotates, the load kept on t – McqOptions

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1.	_When the screw in a mechanical screw jack rotates, the load kept on the top of it moves$?
A.	Axially upwards
B.	Axially downwards
C.	Axially upwards or downwards
D.	None of these
Answer» D. None of these

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