A closed U-tube manometer has a gas on one end with pressure 5 Pa and other end has vacuum, what is the approximate height difference of the liquid if the density of liquid is 10 Kg/m^3?
(a) 5 mm
(b) 10 mm
(c) 50 mm
(d) 100 mm
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The question is from Differential Pressure Measurements in portion Temperature and Pressure of Basic Chemical Engineering