Answer / bm

Pitot Tube

Answer / ram

There are different formulas for calculating air flow in
duct according to the duct type, mean a rounded duct or
square duct, etc.. using anemometer in FPM(feet per min.) or
CFM (cubic feet per min.)

Answer / sahebrao

For the flow measurement in duct we use the hot wire anemometer.we use constant temperature or constant current flow type of anemometer.
Dp creation is simply down by placing restriction in flow path.

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