1. QUESTION 1 Match each item to the appropriate answer. A. 0.77 ft2 Pressure B. 0.75 m3/s Standard atmospheric pressure C. 14.7 psi What is the pressure at 15 ft under water? D. 0.037 m3/s (37 liter/s) 10 ft3/s E. 0.44 m3/s What is the flow rate of water in a pipe flowing full with an area of 0.3 m2 and velocity of 2.5 m/s? F. Flow rate times slope G. 6.45 psi What is a pipe’s inside cross-sectional area, if the inside diameter is 11.9 inches? Referring to Figure 2-12 on page 31 in the textbook, if QA=3 ft3/s and QC=1.7 ft3/s, what is QB? H. 1.3 ft3/s I. 4488 gal/min J. 0.29 ft3/s If a 400-mm diameter pipe with a pipe roughness coefficient of 100 flows full of pressurized water with a head loss of 0.4 ft per 1,000 ft of pipeline, what is the flow rate? Use the Hazen-Williams method. If a 1-m diameter sewer pipe is flowing at a depth of 0.4 m and has a flow rate of 0.15 m3/s, what will be the flow rate when the pipe flows full? What is the flow rate through a V-notch weir having a head of 0.42 ft? K. Force divided by area QUESTION 2 1. For a water distribution system, explain the purpose of a gridiron piping layout, fire hydrants, backflow prevention, thrust restraints, and distribution storage. Your response should be at least 200 words in length. QUESTION 3 1. For a sanitary sewer collection system, identify the purpose of a suitable pipe material, proper pipe velocity, lift stations, proper pipe bedding, and minimal infiltration and inflow. Your response should be at least 200 words in length.
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