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Presentation transcript:

QUESTIONS

Last class Continuity Bernoulli Equation

Homework Water flows through a 2-inch diameter pipe at 200 lbm/min. Its temperature is 60oF. Find the velocity of water flow (fps).

Homework Water from a pipe line is diverted into weigh tank for exactly 9 minutes. Tank weight increases 4765 lbf. Water temperature is 60oF. Find the flow rate (gpm).

Homework Steady flow of gas through a pipe whose diameter decreases from 1.0 meter to 60cm. The gas density decreases from 2 kg/m3 to 1.6 kg/m3. The entering velocity is 25 m/s. What is exit velocity (m/s)?

Example 60 cm diameter How long will it take for level to drop from h = 3m to h = 30cm? 3 cm diameter

Example Manometer measures flow of kerosene in a pipe; manometer fluid is mercury. SG of kerosene is 0.8. Deflection of manometer is 7 in. Find flow velocity.

Images & examples References Applied Fluid Mechanics, 6th Edition, Mott, Prentice Hall Engineering Fluid Mechanics, 5th Edition Crowe, & Roberson, Wiley