If a piston/cylinder with a cross-sectional size of 0.01 m2 is resting on the stops, what should the water pressure be to lift the piston with an outside pressure of 100 kPa?

Mechanical Engineering : Engineering Thermodynamics - Quiz(MCQ)

168kPa

198kPa

218kPa

318kPa

Correct Answer : Option (B) : 198kPa

Explanation : Pw = Po + mg/A = 100000 + (100*9.8/0.01) = 198kPa.

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