1:09 + OVE" ain IQQ.JPG >Q1: A pipeline joining a lake and a reservoir whose water levels differ by 91.4 m has a diameter of 45.7 cm and a lengthof 6100 m and the friction factor f is 0.008. The gravity flow is inadequate and it's necessary to install a pump halfwayalong the pipeline to act as a booster. The pump equation is H = 183 – 760 Q? + 32.5 Q where H is the headdeveloped by the pump in meter and Q the flow in m'/s .Estimatec) The percentage increase in the flow rate due to the pump.d) The daily operating cost of the pump, if the overall efficiencyhour (kWh).70%, and the cost of power is 0.02 $ per kilowatt-Q2: Tests on a single centrifugal pump running at 600 rev/min gave the results indicated below Calculate:1- The speed of the pump and input power will be required to deliver 2.72 m of water per minute continuouslyagainst a head (including friction) of 15.2 m.2- The number of pump connected in series to rise the water to 42 m.3- The number of pump connected in parallel to deliver a 0.28 m/s.Q (m/min) oHead (m)6 (%)0.9116.361|2.04|7.60.451.361.591.822.2815.2 16.314.612.88510.44.63081806747

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01: A pipeline joining a lake and a reservoir whose water levels differ by 91.4 m has a diameter of 45.7 cm and a length of 6100 m and the friction factor fis 0.008. The gravity flow is inadequate and it's necessary to install a pump halfway along the pipeline to act as a booster. The pump equation is H = 183 – 760 Q2 + 32.5 Q where H is the head developed by the pump in meter and Q the flow in m'/s.Estimate c) The percentage increase in the flow rate due to the pump. d) The dally operating cost of the pump, if the overall efficiency is 70%, and the cost of power is 0.02 $ per kilowatt- hour (kWh). a2: Tests on a single centrifugal pump running at 600 rev/min gave the results indicated below Calculate: 1- The speed of the pump and input power will be required to deliver 2.72 m' of water per minute continuously against a head (including friction) of 15.2 m. 2- The number of pump connected in series to rise the water to 42 m. 3- The number of pump connected in parallel to deliver a 0.28 m/s. Q (m/min) 0 Head (m) h () 0.45 0.91 1.36 1.59 1.82 2.04 2.28 15.2 16.3 16.3 14.6 81 12.8 10.4 80 7.6 4.6 30 61 85 67 47

01: A pipeline joining a lake and a reservoir whose water levels differ by 91.4 m has a diameter of 45.7 cm and a length of 6100 m and the friction factor fis 0.008. The gravity flow is inadequate and it's necessary to install a pump halfway along the pipeline to act as a booster. The pump equation is H = 183 – 760 Q2 + 32.5 Q where H is the head developed by the pump in meter and Q the flow in m'/s.Estimate c) The percentage increase in the flow rate due to the pump. d) The dally operating cost of the pump, if the overall efficiency is 70%, and the cost of power is 0.02 $ per kilowatt- hour (kWh). a2: Tests on a single centrifugal pump running at 600 rev/min gave the results indicated below Calculate: 1- The speed of the pump and input power will be required to deliver 2.72 m' of water per minute continuously against a head (including friction) of 15.2 m. 2- The number of pump connected in series to rise the water to 42 m. 3- The number of pump connected in parallel to deliver a 0.28 m/s. Q (m/min) 0 Head (m) h () 0.45 0.91 1.36 1.59 1.82 2.04 2.28 15.2 16.3 16.3 14.6 81 12.8 10.4 80 7.6 4.6 30 61 85 67 47

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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