Question

state the principle on which a hydraulic press works write one use of hydraulic press how is the unit bar related to SI unit Pascal​

Answer 1

A hydraulic hydraulic press works on the principle of Pascal's law.

use of hydraulic press-

• for pressing cotton bales and goods like quilts, books etc.

relation of unit bar to SI unit of Pascal is :-

1 bar = 10⁵Nm/-2 .

hope it helps you...