Fluid Mechanics
Flow Through Pipes
GATE 2017
Easy
In a venturi meter, ΔP1 and ΔP2 are pressure drops for flow rates Q1 and Q2. If Q2/Q1=2, then ΔP2/ΔP1 equals
- A2
- 4
- C0.5
- D0.25
Explanation
Q∝√ΔP, so ΔP∝Q². ΔP2/ΔP1=(Q2/Q1)²=4.
Source: GATE CH 2017 (2017)
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