Mechanical Engineering > GATE 2026 > Fluid Flow
A steady incompressible laminar flow passes through a 90° tube bend placed on a horizontal surface. In horizontal diametric plane, two pressure taps Pi and Po are provided across the cross-section at inner and outer walls of the bend, respectively. Which one of the following options is correct?
A
Po > Pi
B
Po < Pi
C
(Po − Pi) is directly proportional to the bend radius.
D
(Pi − Po) is inversely proportional to the average flow velocity.

Correct : a

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tube bend pressure difference GATE Mechanical Engineering 2026 pressure taps tube bend mechanical engineering gate pressure difference tube bend flow velocity pressure GATE 2026 Mechanical tube bend pressure relation pressure difference tube bend solution

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