Aerospace Engineering > GATE 2009 > Bernoulli's Equation
Consider an ideal flow of density ρ through a variable area duct as shown in the figure below:
Let the cross-sectional areas at sections (1) and (2) be A1 and A2 respectively. The velocity measured
at section (1) using a Pitot static probe is V1. Then the static pressure drop p2-p1 is
A
-12ρ(1-A12A22)V12
B
12ρ(1-A12A22)V12
C
12ρ(1+A12A22)V12
D
-12ρ(1+A12A22)V12

Correct : a

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fluid dynamics gate aerospace pressure drop in duct GATE Aerospace Engineering 2009 duct flow velocity static pressure drop equation fluid mechanics gate pressure drop variable area aerospace engineering gate questions

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