The arrangement shown in the figure measures the velocity V of a gas of density 1 kg/m³ flowing through a pipe. The acceleration due to gravity is 9.81 m/s². If the manometric fluid is water (density 1000 kg/m³) and the velocity V is 20 m/s, the differential head h (in mm) between the two arms of the manometer is

GATE 2018 Mechanical Engineering Q39 — Mechanical Engineering

GATE 2018Set CombinedQ39NATanswer keyexplanation soonmedium

Mechanical Engineering · Fluid Mechanics - Manometry

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Drill mode: fluid mechanics · 36/47

Figure from the original GATE 2018 paper. (IIT Guwahati archive)

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fluid mechanicsmanometervelocitydifferential head