a screw jack used for lifting the loads is Options: A . &nbsp A reversible machine B . &nbsp A non-reversible machine C . &nbsp An ideal machine D . &nbsp None of these

a screw jack used for lifting the loads is

Question

A screw jack used for lifting the loads is

Options:

A . A reversible machine

B . A non-reversible machine

C . An ideal machine

D . None of these

Answer: Option B

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