Hints:Power Out• Pump (or turbine) efficiency =Power InSchedule 40 steel and PVC pipe have the same dimensions• Pick energy eqtn points carefully for part A (losses in pipes are not known yet)• Answer ranges:a. 280.0 – 330.0 ftb. 3.0 – 4.0 ft3/sc. 10.0 – 15.0 ftd. 70.0 – 100.0 fte. 195.0 – 215.0 fta. What head does the pump deliver to the system (in ft)?b. What is the flow rate in the system (in ft/sec)?c. What is the head loss in the suction pipe (in ft)?d. What is the head loss in the discharge pipe (in ft)?e. What is the elevation of the reservoir (in ft)? A pump lifts 60°F water from a stream to a reservoir whose surface is an unknown distance above the free surface of the stream. The suction pipe (from thestream to the pump) is 250 ft of 8-in Schedule 40 steel pipe, while the discharge pipe (from the pump to the reservoir) is 2250 ft of 8-in Schedule 40 PVC (plastic)pipe. The pump consumes 150 hp and has an estimated efficiency of 85%. The suction inlet of the pump is located 2.5 ft below the surface of the stream, whilethe discharge port of the pump is located at the same elevation as the surface of the stream. A differential manometer connected to the suction and discharge sidesof the pump measures a pressure difference of 128 psi. Consider the friction loss in the piping (using the Darcy-Weisbach equation), but neglect other (minor)losses.FlowReservoirPump2.5 ftStream

a) Calculating the head pump delivery: hpump=∆Pγhpump=128 psi×114 in2ft262.4 lb/ft3hpump=295.38 ft

• Pump (or turbine) efficiency = Power Out / Power In • Schedule 40 steel and PVC pipe have the same dimensions • Pick energy eqtn points carefully for part A (losses in pipes are not known yet) • Answer ranges: a. 280.0 – 330.0 ft b. 3.0 – 4.0 f³/s c. 10.0 – 15.0 ft d. 70.0 – 100.0 ft e. 195.0 – 215.0 ft | does the pump deliver to the system (in ft)? e flow rate in the system (in ft³/sec)? e head loss in the suction pipe (in ft)?

• Pump (or turbine) efficiency = Power Out / Power In • Schedule 40 steel and PVC pipe have the same dimensions • Pick energy eqtn points carefully for part A (losses in pipes are not known yet) • Answer ranges: a. 280.0 – 330.0 ft b. 3.0 – 4.0 f³/s c. 10.0 – 15.0 ft d. 70.0 – 100.0 ft e. 195.0 – 215.0 ft | does the pump deliver to the system (in ft)? e flow rate in the system (in ft³/sec)? e head loss in the suction pipe (in ft)?

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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