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)

Q: EXAMPLE 10.5. A pump delivers 2.5 cfs of 70°F water from a reservoir at elevation 50-ft to a…

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Q: The Metro Manila Waterworks System design the pip by using a 300 mm diameter pipeleins made of…

A: Q = 60 l/sμ = 1×10-3 Ns/m2d = 300 mmf = 0.035Vavg = QA = 0.060.25π0.32 = 0.848 m/sRe = ρVDμ =…

Q: A boiler feed booster pump supplies 0.0373 m3 /s of water at 1500 rpm. Its suction speed is 3.5 and…

A: Given, Q= 0.0373 m3 /s N= 1500 rpm. net positive suction head NPSHa=5m. Nss=3.5

Q: aQB 4.1. Proof the critical flow equation for constant specific energy:

A: 4.1

Q: 1. Water is being pumped from the lower reservoir to the upper reservoir. Find the pump horsepower…

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Q: Calculate the power the pump must have in order to lift 40 cfm (ft/min) of water (density = 1.9…

A: The given data is as follows: Discarge of water=40 cfm ft3/minDensity of water=1.9…

Q: Oil is pumped from reservoir A to B by a 15 hp pump having an efficiency of 75%. The pressure of air…

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Q: PROBLEM 1 The pump shown adds 1.6 horsepower to the water when the flow rate is 0.6 ft/s. Determine…

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Q: Water is being pumped from a supply reservoir to an elevated receiving water tank with static head =…

A: Solution: Given Data: Static head=8.1 mPipe length=160 mdiameter=100mmf=0.019 Find the system head…

Q: El. 200 mA A Res. H-W Pipe B Pipe E pipec → Negleet minor losses → Pipes B, C, and E are all have: L…

A: Vc = 5m/s

Q: Determine the required break horsepower of the pump if the required discharge of flow is 18 L/sec…

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Q: Compute the specific speed for a pump operating at 4000 rpm delivering 600 gal/minof water at a…

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Q: Q No. 3: A six-centrifugal pumps delivers 0.1 m/s against a total head of 480 m. What is its…

A: Find head developed per impeller  Head per impeller=HeadNo.of pump=4806=80 metres Find specific…

Q: Select a low operating-cost pump (select n and Dp) Plot curves of: (Head vs. Q; Eff. vs. Q ; Power…

A: Bernoulli's principle is generally the pressure of a fluid to its elevation and its speed. It can be…

Q: If the flow of 0.10 m3/s of water (mu = 1.31 x 10-3 Pa.s) is to be maintained in the system shown,…

A: Using Bernoulli equation at point 1 and 2 P1γ + V212g + Z1 +Hp = P2γ + V222g + Z2 +HL P1 = P2 =…

Q: EX. 8: Find the diameter (mm) of the pumping main (the pipe connected to the pump) to lift the water…

A: Introduction : Discharge Q = A*V A is the area V is the velocity Velocity =distance time Discharge Q…

Q: QUESTION 5 An existing pump, having the tabulated characteristics, is to be used to pump raw sewage…

A: Hs = Static head = 20 mL = Length of pipe = 10 kmHm = Minor loss = 10V22gk = Roughness = 0.15 mmQ =…

Q: Q3. Water flows from the reservoir through a pipe and then discharge from a nozzle as shown. To…

A: Question is based on the water flow pipe system through a reservoir. Discharge through pipe,…

Q: A geared pump with a flow rate Q1 = 3.94 dm/s, is wanted to be operated with a centrifugal pump.…

A: The given data is: Discharge through geared pump (Q1) = 3.94 dm3/s Equation followed by centrifugal…

Q: A pipe system is using a lake as water source at elevation Om. The water is supplied in a reservoir…

A: Given Q=700L/s=0.7 m3/s Hs=hs+hd where HS=static head,hs=suction head,hd=delivery head Hs=200 m…

Q: The pump shown adds 1.6 horsepower to the water when the flow rate is 0.6 ft°/s. Determine the (a)…

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Q: Include a free body diagram. A pump draws water from a sump through a vertical 6′′ pipe. The pump…

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Q: Using the supplied pump with a 12.95" impeller, determine the flow rate in GPM. The pipe diameter is…

A: Given, Pipe diameter (d) = 8 cm or 0.08 m  Pipe material - cast iron

Q: Water at 20C with a density of 0.9982 g/cc and a viscosity of 1 cP is flowing from an open reservoir…

A: Given, Density (ρ) = 0.9982 g/cc or 998.2 m3/s Viscosity (u) = 1 cP or 0.001 Pa-s

Q: For the setup shown given k1 = 2.4* 10-5 m/min and k2 = 1.0*10-5 m/min, the cross-sectional area is…

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Q: alculate the required pipe diameter to avoid cavitation, if the pump delivers Q = 30US gallon/min…

A: Solution: Given Data: The water flow rate, Q=30US gallon/minThe pressure above water level, P=40…

Q: Using the pump selection table below to determine the best pump for the given condition: Imp.gpm • A…

A: Following is required answer :

Q: Calculate the required pipe diameter to avoid cavitation, if the pump delivers Q = 30US gallon/min…

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Q: Q2: For the system shown below, find the minimum flow rate of the jet from the orifice at the end of…

A: Given that,   Z1 from 0 t0 10 m Z2 from 0 t0 9 m CV=0.85

Q: Problem 3 Water (60°F) is pumped from a reservoir to a large, pressurized tank as shown. The steel…

A: Solution; Given data; Reynold's numbers, Re=V*dν at 60°F,   ν=1.21*10*5 ft2/s Q=1=AV

Q: Q1:A) A centrifugal pump is to be operating with total head of (350 kpa) and discharge of 1.2…

A: Solution Given Data Head= 350 kPa Discharge Q= 1.2 m3/min=0.02 m3/sec Efficiency=60 %

Q: Three pipes 1, 2, 3 are connected as shown. If the total discharge for the system is 610 L/s and the…

A: To find discharge in pipe 2

Q: 6. A pump is connected to a rising main with a diameter of 0.35m and length of 400m. The rising main…

A: Given, D = 0.35 m L = 400 m  λ = 0.01

Q: Given : 30cm diameter impeller is rated @30 lps against a head of 24m, rotating @1750 rpm. Required:…

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Q: The Metro Cebu Waterworks System design the pipe by using a 300 mm diam. pipelines made of cast-iron…

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Q: 7-4 A pump must raise 2 m/min a vertical distance of 30 m. If the discharge and suction pipe are 200…

A: Given: The flow rate of the pump is 2 m3/min. The vertical rise is 30 m. The diameter of the pipe is…

Q: Oil is pumped from a lower tank to an elevated spherical tank. The lower tank is vented to the…

A: Given, P2 = 240 kPa ρoil = 920 kg/m3

Q: 6 cm-diameter commercial steel pipeline is used to transport water at 10⁰C from a reservoir to a…

A: Flow rate(Q)=0.01 m3/sec, The inlet pressure=20 psig, Exit pressure=0 psig, Diameter of steel…

Q: 9. A 20-HP pump is employed to deliver water from a stream to an open air holding tank located 1500…

A: An exhaust pipe with a valve and a spout through which water can be drawn from water holes. fire…

Q: between 75 to 98%) 2- Find the flow rate in the pipe AB. 3-Find the value of Z1 for operating this…

A: Let Power output at PE = 20KW

Q: A submersible, multi-stage, centrifugal deep well pump 260 gmp capacity is installed in a well…

A: Given: The head is 36 ft. The number of rotations is 3000 rpm.

Q: The system curve follows the equation: hp = 115.2 + 0.086Q², in which the pump head is in ft, and…

A: step 1-

Q: Determine the shaft horsepower for an 80% efficient pump to discharge 30L/s through the system. The…

A: The given data is shown below: Efficiency=80%Discharge=30L/sH=16m

Q: Non-positive displacement pump is the type of pump whose size is tesser for a given discharge räte.…

A: In a non-positive displacement pump, the output flow rate can be changed with respect to the…

Q: Two water pumps are arranged in series. The performance data for both pumps follow the parabolic…

A: Given:- Havailable = H0 − aV.2 . For pump 1:- H0 = 6.33 m  coefficient a = 0.0633 m/(Lpm)2  for pump…

Q: Choose True or False: 1. According to type of service, pumps could be classification for lifting…

A: Given data- Three statements are given that are related to the pump and it is required to find out…

Q: 7. Given the following total heads H1= 8 ft and H2-106 ft and Q= 10cfs, calculate the head needed to…

A: As per bartleby policy i can answer only one question at a time. Please upload again other…

Storm Sewers and Detention

The storm drains system transports rainwater or stormwater and other runoff from roads, parking lots, and roof downpipes directly to nearby creeks, rivers, or the sea without any treatment.