Performance data for a small commercial pump are asfollows:Q. gal/minН, й0 | 10 | 2030405060707575747268624724This pump supplies 20°C water to a horizontal -in-diametergarden hose (e= 0.01 in) that is 50 ft long. Estimate (a) theflow rate and (b) the hose diameter that would cause thepump to operate at BEP.

Answered: Performance data for a small commercial…

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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Q2- Water ( p= 990 kg/m' & µ= 0.001 pa.s) is pumping from a water tank to water injection well with carbon steel pipe at the same level, where the pipe diameter is 12 inch, pipe length is 4700 m, pipe roughness is 0.0000045 m, and water flow rate is 0.0065 m/sec. 1- Calculate discharge frictional head loss. 2- Calculate pump liquid power, if pump section head value is 3.8 m.
Which of the following are considered when selecting a pump? Select all that apply. (PLEASE EXPLAIN REASONING!!) a. The pump design flowrate should be 60% - 120% of flowrate at the best efficiency point. b. The NPSHa must be greater than NPSHr + 5 ft c. The maximum velocity of the pump must be < 10 ft/s d. The pumps unit headloss must be < 7 ft/1,000 ft e. Select the pump with the lowest power requirement (Lowest BHP).
DT. Asmaa Abdul Jabbar Q2: Water flow from B to A, if real power of pump =175kw, with efficiency 85%. (neglect minor losses) Find: Discharge at each pipe. Pipe No. L (km) D (cm) f 0.018 1 0.5 15 2 0.55 20 0.02 EL.25m A P 1 2 EL.100m B
SITUATION 2 (For this situation, there are no choices but you can input your answers in google forms later) Calculate the following if the amount of flow is 1.26m³/s, the 80% efficient pump delivers 1073kW, and the turbine is 92% efficient. EL. 120.50 C-110 0.60m-diameter 360m EL 77.90 C-110 0.60mdiameter 45.60m P 556m 14. Compute for the energy given by the pump 15. Total Head Loss
Q5: As shown in figure (5). What is the water horsepower of the pump? The pipes characteristics are as follows. Pipe 1 2 3 EL.0.0m D (mm) 200 300 250 L (m) 900 300 1500 0.135 m²/sec f 0.023 0.018 0.02 EL 120m EL.30m
Design Characteristics Binch Sch 40 Steel Pips hug ht Twenty feet) 90⁰ 7 a pump 20 for Standard elbow and The spraty System the various pump shown below Hinch sch 40 steel pipys Pipa ↓ B Рв=норвід ioft Flowrate=1759pm Length of Suction line = 25ft Lingth of discharge line = бодн Determine the NPSHR ? show calculations
Minor Losses A pipe system is comprised of a flush entrance, one gate valve, one 90° elbow, one 45° bend, and a globe valve. If the fluid flows at 11 ft/s, what is the head loss due to minor losses? O 12.4 ft O 14.3 ft O 22.5 ft 13.2 ft O 8.55 ft O 6.60 ft
10 Pump test system problem:. For the pump test arrangement shown in figure below, determine the mechanical efficiency of the pump if the power input is measured to be 3.85 hp when pumping 500gal/min of oil (y = 56.0 lb/ft3). (1 hp = 33,000 lb-ft/min or 550 lb-ft/s.) %3D %3D FROM SUPPLIER TABLE FOR Particular Pipe such as Schedule 40, With Certain DN value, OD and Wall thickness are given as below. Wall Flow Flow NO Thickness re. (i) 4.500 (u) calculate Pump 0.237 calculate 4. 6-in Schedule 40 4-in Schedule 40 calculate 6.625 0.280 calculate 9. +2 (y = 56 lb/ft) 20.4 in wer Mercury (sg D13.54)
A pump is pumping water at a rate of 35O GPM with a TDH = 100 feet. The suction piping is 10inch Ductile Iron, with a Hazen Williams roughness coefficient of 130. The atmospheric pressure is 12.3 psi and the vapor pressure is 0.95 psi. What is the NPSH available (H's) for this particular setup? a.18.9 feet b.22.6 feet c.25.4 feet d.28.2 feet
Cooling water having a density and viscosity of 998 kg/m3 and 0.95 cP isflowing thru a 25-mm med. wt. steel pipe (I.D. = 0.0272 m). The pipeline isequipped with a venturi meter of 10 mm throat diameter and a U-tubemercury manometer. If the water flows at a rate of 25.0115 liters perminute, determine the corresponding manometer reading.
Assuming the pump is for a system in Prescott AZ (~5300 ft above sea level), compute the NPSHA for the system at the specified flow rate (2000 gpm - 4.5 ftIs). Does the system provide adequate net positive suction head for the selected pump to operate? NPSHA (in ft)? NPSHR (in ft)? Will the pump work for this system?
a. Calculate the pump head b. Plot the EGL and HGL for the system

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