2. A piston is used to support a load of 90 kN . The hydraulic oil used has a specific gravity of 0.81 , If the pressure below the piston is 1.33 MPa , obtain the diameter of the piston in mm .
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33 \, \text{MPa} = 1.33 \times 10^6 \, \text{Pa} \) Show more…
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