Agricultural Engineering > GATE 2015 > Hydraulics
A double acting hydraulic cylinder has a bore of 200 mm with a piston rod of 140 mm diameter. The extend speed of the piston is 80 mm s⁻¹. If the flow rate of oil during retraction is same as that of the extending, the retract speed of the piston in mm s⁻¹ is _______.
Correct : 157
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