Imagine That You Have Been Given the Job of Designing

question 19

Multiple Choice

Imagine that you have been given the job of designing a fountain to be the centrepiece of a new shopping mall on the Gold Coast. The fountain will consist of a single upward jet of water, launched from a pipe of radius 5 mm and length 2 m. The pipe is fed by recycled water, pushed by a pump which produces a pressure difference of 100 000 Pa. What volume of water will come out of the pipe? The viscosity of water is 0.001 Pa s.

• A) 0.012 m3 s-1.
• B) 98 200 m3 s-1.
• C) 1.2x1010 m3 s-1.
• D) 1.2 m3 s-1.
• E) 12 m3 s-1.ANS

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