Task 18 Determine the absolute air pressure on the surface of the liquid P0 and the position of the piezometric plane hp, if the readings of the pressure gauge Pman = 30 kPa liquid pressure H = 3.05 m, the distance from the connection point to the center of the pressure gauge z, atmospheric pressure Rat = 100 kPa, liquid density rj = 880 kg / m3.

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