If a non viscous incompressible fluid is moving through a horizontal pipe with a

Question

If a non viscous incompressible fluid is moving through a horizontal pipe with a steady flow and the cross sectional area is constant, what will happen to the speed of tr fluid and the pressure of the fluid fire pipe undergoes an increase in elevation?

Explanation / Answer

The attempt at a solution A) P1 2v3, if the diameter is doubled, the velocity is quadrupled as per continuity equation C) P4 > P5 due to gravity (?gy) D) P1 > P2 due to gravity E) v4 > v5, if v4 has more pressure, it has higher velocity F) P3 v2, since P1 has a higher pressure it has a higher velocity Is my reasoning correct, or do I have something backwards? I guess my main confusion is what effect gravity has on velocity of flow?

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