Interview Question: What is the difference between Volumetric flow meter and Mass flow meter?
Answer:
Volumetric flow meter gives flow rate in terms of volume viz liters/hr,gallon, m3/hr etc whereas mass flow meter gives direct mass flow rate viz kg/hr or tons/hr etc
mass = density* volume
volumetric flow = area*velocity
volumetric flow gives how much volume is passing through a given point,it does not give the real mass of fluid is passing.Mass flow is highly depends on the density as well as on temperature,change in these changes the mass flow.
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