To measure the flow rate in a gas pipeline a narrowing is made in it and the pressure difference between the wide and the narrow parts of the pipe is measured. Find the gas flow rate, if its density is 1.4 kg/m 3 , the diameter of the pipe is 50 mm, the diameter of the narrowing is 30 mm and the pressure difference is 18 cm of water. The compressibility of the gas is to be neglected.
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(0001)
Sol. Δ P = 
= ρ 0 gh
where D and d are the diameters of the pipeline and of the narrowing.
Flow rate = ρ SV = 
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