A liquid with a density of 0.8 [g/ml] flows through a tube with an inner diameter of 50 [mm]. There is an orifice with a hole diameter of 25.4 [mm] in the middle, and the reading of the mercury...

A liquid with a density of 0.8 [g/ml] flows through a tube with an inner diameter of 50 [mm].  There is an orifice with a hole diameter of 25.4 [mm] in the middle, and the reading of the mercury manometer was 100 [mm].  Determine the flow rate in [m^3/ h] and [kg / h] with the orifice coefficient Co = 0.61

using this equation

Extracted text: Co 2g(pA-PB)R [m³/ 3 Is) s] A D V1-m² PB Qo = Aquo 4