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Now assume that point 2 is at height h with respect to point 1, as shown in the

ID: 1371997 • Letter: N

Question

Now assume that point 2 is at height h with respect to point 1, as shown in the figure. (Figure 2) The ends of the flow tube have the same areas as the ends of the horizontal flow tube shown in Part A. Since the cross section of the flow tube is decreasing, Bernoulli's equation tells us that a fluid element flowing toward point 2 from point 1 moves toward a region of lower pressure. In this case, what is the pressure drop experienced by the fluid element?

The pressure drop is

Now assume that point 2 is at height exttip{h}{h} with respect to point 1, as shown in the figure.

- smaller than the pressure drop occurring in a purely horizontal flow. - equal to the pressure drop occurring in a purely horizontal flow. - larger than the pressure drop occurring in a purely horizontal flow.

Explanation / Answer

Here velocity will decrease by even larger amount which will result in even more decrese in pressure as compared to that of horizontal pipe
Answer:
larger than the pressure drop occurring in a purely horizontal flow.

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