Problem 5: If a pump with the pump curve shown below is attached to a pipeline where the volumetric flow rate is Q-30 L/s please determine the head that this pump will add to the flow, as well as the approximate efficiency of the pump, for each of the following RPMs: 3250 rpm, 3850 rpm, and 4350 rpm. 70 NPSH required 4350 rpm 60 43% 43% 8 Pump Head (m) 30 20 10 10 4350 rpm 3250 rpm 20 30 40% Flow (L/s) 4350 rpm 4050 rpm 3850 rpm 3550 rpm 3250 rpm 40 3550 rpm 50 842 69 4050 rpm 46 3850 rpm 23 NPSH (m) Horsepower input

Problem 5: If a pump with the pump curve shown below is attached to a pipeline where the volumetric flow rate is Q-30 L/s please determine the head that this pump will add to the flow, as well as the approximate efficiency of the pump, for each of the following RPMs: 3250 rpm, 3850 rpm, and 4350 rpm. 70 NPSH required 4350 rpm 60 43% 43% 8 Pump Head (m) 30 20 10 10 4350 rpm 3250 rpm 20 30 40% Flow (L/s) 4350 rpm 4050 rpm 3850 rpm 3550 rpm 3250 rpm 40 3550 rpm 50 842 69 4050 rpm 46 3850 rpm 23 NPSH (m) Horsepower input

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Triangular notch with vertical angle of 90° measures a flow rate. If the value of Cd = 0.6 and there was an error of 2.5 mm in the measurement the head, then calculate the percentage error in estimation of discharge of 21 lit/s.
Design a flocculation basin for water at 10°C flowing at Q = 49,200 m3/day for a typical processtrain in a drinking water treatment plant. The basin shall be a cross-flow, horizontal-shaft, paddlewheel type with an average velocity gradient of G = 26.7 sec−1, a detention time τ = 45 minutes,and a Gτ value of 50,000 to 100,000. Tapered flocculation shall be used in three compartments ofequal depth in series. Compartments shall be separated by slotted, redwood baffle fences andhave a level basin floor. G-values shall be 50, 20, and 10 sec−1 as the water passes through eachcompartment sequentially. The flocculation basin shall have a width of 27.43 m matching theadjacent sedimentation basin width. Paddle wheels shall have blades with a 150-mm width and alength of 3.05 m. Outer blades should clear the floor by 305 mm and be 305 mm below the watersurface. Six blades shall be used per paddle wheel with a clear spacing of 305 mm between theblades. There shall be a clear spacing of 760 to 915…
Show all problem solution's steps. Direct formula substitution solutions will have NO CREDIT POINTS. A 75 mm diameter fire hose discharges water through a nozzle having a jet diameter of 25 mm. The lost head in the nozzle is 25% of the velocity head in the jet. If the pressure at the base of the nozzle is 625 KPa: compute the discharge in m3/min; the maximum horizontal range to which the stream can be thrown; the maximum vertical reach, and the diameter of the jet at a point two-third of the maximum vertical reach from the tip of the nozzle. Neglect air resistance.
Water flows freely from the reservoir shown through a 50-mm diameter pipe at the rate of 6.66 lit/sec. If the head lost in the system is 10.47 Joule/N, determine the elevation in meter of the water surface in the reservoir if the discharge end is at elevation 4 m.
An orifice at the bottom of a rectangular tank has a cross-sectional area of 0.004m². The tank has a cross-section of 3m x 2m. a. If it takes 2078 sec. to empty the tank if it contains water at a depth of 5.6m, find the coefficient of discharge. b. Compute the time to lower the water surface from 5.6m to 3m using C = 0.62.
Water flows from one tank to an adjacent tank through a 60-mm sharp-edged orifice. The head of water on one side of the orifice is 2.9 m and that on the other is 0.7 m. Assuming Cc = 0.63 and Cv = 0.96, calculate the flow rate
Given: f= 0.02 for all pipes, Determine discharge in each pipe if total head loss is 20m. L1 = 250 m, D1 = 750 mm L2 = 650 m, D2 = 750 mm L3 = 450 m, D3 = 750 mm L4 = 350 m, D4 = 450 mm L5 = 400 m, D5 = 450 mm
A water tank is 30 ft in diameter and the normal depth is 25 t. The outlet is a 3-in horizontal pipe at the bottom a if this pipe is sheared off close to the tank, what is the initial flow rate of water from the tank? (Neglect hiction less stub of pipe) How long will it take for the tank to be empty?
Pipelines 1, 2 and 3 are connected with parallel to each other with pipeline 1 having a diam. of 450 mm, 600 m long, pipeline 2, 400 mm diam., 800 m long and pipeline 3, 500 mm diam., 700 m long. the 3 pipes carries a combined discharge of 0.86 cum/sec. Assuming f = 0.02 for all pipes. Compute the discharge of pipeline 1. Use 3-decimal places. Compute the discharge of pipeline 2. Use 3-decimal places. Compute the discharge of pipeline 3. Use 3-decimal places.
COMPUTE THE DISCHARGE OF WATER THROUGH 75 mm PIPE IF THE MEAN VELOCITY IS 2.5 m/s.
A 1 m diameter new cast iron pipe 800 m long and has a head loss of 1.11m. Find the discharge in Lit/sec if C=130.90 Group of answer choices 890.14 918.40 980.41 809.41
A main pipe distributing water has a diameter of 158 mm and is distributed into three outlets. Thefirst outlet has a velocity rate of 10m/s and a diameter of 50mm. The second outlet has a velocity rate of11m/s and a diameter of 75mm. The third outlet has a flow rate of 0.265619 m^3/s moving at avelocity of 15m/s. a) What is the Total flow rate in the main pipe? b) What is the diameter of the third outlet?c) A storage tank is provided for the second outlet, how much mass is stored after 1min and 35 seconds? d)What is the velocity at the main pipe? e) what are the mass flowrate of the three outlets? f) what are theweight flowrate of the three outlets?