the marked choice is the correct answer. 5) Water is pumped from a lower reservoir to an upper reservoir using a pump witha curve of hp = 400 - 4 Q2, where hp is in feet and Q is in cfs. With a static lift of150 feet, the system delivers a discharge of 5.0 cfs. If the friction factor can beconsidered to be a constant and the minor losses ignored, what will be theoperational discharge in cfs if the static lift is increased to 200 feet?$100050.0 (b) 4.47d) 2.00a) 4.35c) 0.206) Water has to be transported at a rate of 1.5 cfs from a reservoir of water elevation2300 ft to a reservoir at water elevation of 2600 ft through a 6000-ft-long, 6-in.-diameter pipeline at 50F. Determine the brake horsepower of the pump inhorsepower required if the pump has an efficiency of 77%. Disregard the minorlosses and use a friction factor of 0.017.a) 107c) 66b) 58940Loosd) 41

Hp = 400 - 4Q2Q = 5 cfsNOTE : As per guidelines, first question is solved. Request you to post…

5) Water is pumped from a lower reservoir to an upper reservoir using a pump with = 400 - 4 Q², where hp is in feet and Q is in cfs. With a static lift of 150 feet, the system delivers a discharge of 5.0 cfs. If the friction factor can be considered to be a constant and the minor losses ignored, what will be the operational discharge in cfs if the static lift is increased to 200 feet? a) 4.35 c) 0.20 620.0(b) 4.47 d) 2.00

5) Water is pumped from a lower reservoir to an upper reservoir using a pump with = 400 - 4 Q², where hp is in feet and Q is in cfs. With a static lift of 150 feet, the system delivers a discharge of 5.0 cfs. If the friction factor can be considered to be a constant and the minor losses ignored, what will be the operational discharge in cfs if the static lift is increased to 200 feet? a) 4.35 c) 0.20 620.0(b) 4.47 d) 2.00

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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Three pipes of 400 mm, 350 mm and 300 mm diameter are connected in series between two reservoirs with a difference in level of 12 m. The friction factors are 0.024, 0.021 and 0.019 respectively. The lengths are 200 m, 300 m and 250 m respectively. Which of the following statements is TRUE. * The discharge in pipe 1, 2 and 3 are decreasing. The total head loss is equal to the difference in elevation between reservoirs. The head loss in pipes 3 is equal to the sum of losses of pipes 2 and 3. The largest pipe will have the largest head loss The head loss in pipes 1, 2 and 3 are equal. * The flow in m^3/s in PIPE 3 is nearest to... 0.1 0.2 0.4 0.3 * What is the head loss in meters in pipe 3? 2.785 m 15.458 m 7.755 m 6.474 m Determine the length of an equivalent 350mm diameter pipe. * 402.582 m 906.123 m 1545.812 m 417.236 m
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Given the properties and elevations of the three reservoirs, if friction factor f, is 0.01 for all pipes, determine the following a. Energy head at junction b. Head loss of pipe-1 c. Discharge of pipe-3
A pump delivers water at a flow of 10 cubic feet per second (cfs) from a lower reservoir to an upper reservoir through 16-inch diameter steel pipe (ɛ = 0.00020 feet) that is 3,500 feet long. The water temperature is 50°F. The water surface elevation of the upper reservoir is 150 feet higher than the water surface elevation of the lower reservoir. Use the Darcy-Weisbach equation to evaluate friction head loss hyic. Assume the minor head loss hminor is 10% of the friction head loss hic- a) Determine the friction head loss and minor head losses in feet b) Determine the total dynamic head hpump of the pump in feet. c) Determine the required motor horsepower of the pump in horsepower (hp) if the efficiency of the pump is 65% and the efficiency of the electric motor is 85%.
A 300 mm cast-iron pipe is discharge 120 lit/sec. At a point 200 m from the reservoir the center of the pipe is 30 m below the reservoir surface. What is the pressure in kPa to be exerted there? Assume f= 0.02
Given the properties and elevations of the three reservoirs, if friction factor f, is 0.01 for all pipes,determine the followinga. Energy head at junctionb. Head loss of pipe-1c. Discharge of pipe-3
Problem-3: A centrifugal pump lifts water against a static head Az = VEN m. The pipe setup has a constant diameter of 0.08 m, major losses in the suction side h,, = EN m and in the discharge side hip is 3 m. The pump impeller has a diameter of 0.15 m, exit width of0.015 m, exit blade angle of 22° and speed ofN=20EN rpm The hydraulic efficiency is 0.85. If the flow at the entrance is radial, find the discharge, pump head, atmospheric pressure Pa. vapor pressure P, and maximum allowable height of the pump from the feeding tank water surface elevation if the pump is operating under T= 25 °C at altitude H= 20EN m. %3! o, = NPSH, IH, =1.21x10 N - P,)/y-hST-H, !3! !! SM (P al-abs $256 Par ly =10.33(1–2.256x10-H (14 29-3985:(T+2334) !!
A pipe discharges 150liters/sec of water into a reservoir at a point 1.80m below the water surface. At point A the diameter is 250Omm and the center of the pipe is 1.20m above the water surface. At the discharge end of the pipe is 300mm in diameter. If the loss of head from A to the reservoir 0.65m, determine the pressure head at A A 1.2m 250mm water level 1.8m datum 300mm B
SITUATION 2: Three reservoirs A, B, and C are connected respectively with pipes 1, 2, and 3 joining at a common junction P. Reservoir A is at elevation 80 m, reservoir B at elevation 70 m and reservoir C is at elevation 60 m. The properties of each pipe are as follows: Elev 80 ha hez Elev 70 B 4000 m- 250 mm f-0.018 he 3500 m f- 0.018 Elev 60 Pipe 1: L= 5000 m, D = 300 mm Pipe 2: L= 4000 m, D = 250 mm Pipe 3: L= 3500 m 5000 m - 300 mm f= 0.018
ELEV. = 65m A ELEV. 32m L- 1500m 2 - 1400m D- 750mm Q= 1.2 m3/s D= 600mm ELEV. - ?? L= 1800m D= 450mm A three reservoir problem shown in the figure with their corresponding length and diameter. Assuming that each pipe has f= 0.02 and discharge at pipe 1 is 1.2 ma/s, determine the elevation of the surface of reservoir C No answer among the choices B 31.23 m 21.14 m 28.82 m 25.73 m F 18.96 m
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