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The dynamic pressure can be given by ____________

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The dynamic pressure can be given by ____________

(a) difference of total and static pressure

(b) sum of total and static pressure

(c) product of total and static pressure

(d) double of total and static pressure

The question was posed to me during a job interview.

I would like to ask this question from Pitot Tube in division Inviscid & Incompressible Flow of Aerodynamics

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Best answer
Correct answer is (a) difference of total and static pressure

The best explanation: In incompressible flow, the dynamic pressure has a special meaning, it is a difference between the total pressure and the static pressure. Let p0 be the total pressure and p1 be the static pressure.

   Therefore, the dynamic pressure (q)= total pressure (p0)- static pressure (p1).

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