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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