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  1. Topics
  2. Physics & Astronomy
  3. Physics for Scientists and Engineers Study Set 1
  4. Quiz 13: Fluids

A Small Portion of an Incompressible Liquid in Steady Flow

Question 70
Multiple Choice

A small portion of an incompressible liquid in steady flow through a pipe of variable cross section, if friction is negligible, has at each point throughout its path a constant A) kinetic energy. B) velocity. C) potential energy. D) total energy. E) momentum.

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Q 71
Cities across the U.S. supply fresh water to the residents at constant pressure by the use of water towers. If the diameter, d2, of the pipe coming out of the tower is 25 cm, and the diameter, d1, of the pipe at your home is 2.0 cm, what is the ratio of the velocity of the water at d1 compared to d2? Assume that all the taps are off except yours. A) 12.5 B) 156 C) 0.0064 D) 0.08 E) 25
Q 72
A pipe of 2.54 cm inside diameter has a constriction in which the inside diameter is 1)27 cm. If water is flowing through this pipe with a velocity of 1.22 m/s in the main section, the velocity in the constricted section is A) 0.305 m/s B) 0.610 m/s C) 2.44 m/s D) 1.22 m/s E) 4.88 m/s
Q 73
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