FIGURE 15-2 -Water Flows in a Pipe as Shown in Figure 15-2

Multiple Choice

FIGURE 15-2
-Water flows in a pipe as shown in Figure 15-2. The pipe is horizontal at points A and B, then rises in elevation while decreasing in diameter and is again horizontal at points C and D. Vertical tubes, open at the top, are connected to the pipe at A and C, flush with the edge of the pipe. Which of the following statements is correct?

A) h_A > h_C
B) h_A < h_C
C) h_A = h_C
D) The answer depends on the direction of the flow.
E) The answer depends on the speed of the flow.