10.15 Figures 10.23(a) and (b) refer to the steady flow of a (non-viscous) liquid. Which of the two figures is incorrect? Why?
Figure 10.23
According to the equation of continuity:
when the area of the cross-section is more, the velocity of the flow is less or vice-versa.
When the area of the cross-section in the middle of the venturi meter is small, the speed of the flow of liquid is more. According to Bernoulli’s principle, if speed is more, then pressure is less.
The pressure is directly proportional to height. Hence, the level of water in pipe 2 is less. Therefore, the figure (a) is not possible.
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