Question

A student wishes to find the velocity of air flowing through a pipe. He has a pressure gauge which displays only the dynamic pressure. The pressure gauge reads 0.018 mm Hg. Assume density of air to be 1.225 kg/m³, find the velocity V of air (ρHg = 13600 kg/m³).

a.

4 m/s

b.

2 m/s

c.

20 m/s

d.

40 m/s

Answer: (b).2 m/s

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Q. A student wishes to find the velocity of air flowing through a pipe. He has a pressure gauge which displays only the dynamic pressure. The pressure gauge reads 0.018 mm Hg. Assume...

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