A four-stage (parallel) pump delivers 15 m per minute of liquid The total head obtained is 27m. Initially, the impeller measures 24cm in diameter running at 1950 rpm it is desired to construct a pump at a certain number of stages in series that should run at 1450 rpm delivering 18m3/min with 280m of head in total What should be the new diameter of the impeller and number of stages?

Q: At what speed, when pumping water, should the 105 cm pump of the figure below run to realize, at…

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Q: Q- Consider the following data relating to performance of a centrifugal pump: speed 1200 rpm, flow…

A: given- Centrifugal pump-N1=1200 rpmdischarge Q=30 L/sHead H=20 mPower P=5 kWN2=1500 rpm

Q: m/N of oil flowing, calculate the power delivered Suction pipe is 1.4 N-m/N of oil flowing,…

A: Given:- 840 L/min crude oil sg=0.85 total energy loss=4.2N-m/N To find:- pressure at the pump level…

Q: It is desired to pump ethanol at 20°C through 280 m of straight smooth tubing under laminar-flow…

A: (1) Temperature(2) Length(3) Pressure drop(4) Laminar flow condition, (5) Properties of ethanol at ,…

Q: 8. Which among the following is called as the velocity pump? a) Centrifugal

A: A velocity pump is a sort of dynamic pressure pump that is often employed. It operates on the idea…

Q: A turbine system is harnessing the energy of flowing water from reservoir 1 to reservoir 2. The…

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Q: The two-lobe rotary pump moves 0.145 gal of a coal slurry in each lobe volume Vlobe. Suppose the…

A: Given data:

Q: A centrifugal pump running at 500 rpm and at its maximum efficiency is delivering a head of 30 m at…

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Q: Water is flowing at a critical depth of flow = 1.4 m in a channel shown in the figure below.…

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Q: 3. The horizontal pump in the Figure discharges 18°C water at 35 m/h. Neglecting losses, what power…

A: Given that: Pressure at point 1, P1=160 kPaPressure at point 2, P2=480 kPaDiameter at point 1,…

Q: A centrifugal pump running at 500 rpm and at its maximum efficiency is delivering a head of 30 m at…

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Q: Q4// A centrifugal pump is to operate against a total head of 300 kPa and is to discharge 50 m/hr.…

A: Q=50 m3/hr=50 m3/60×60sQ=0.01388 m3/stotal head=γH=300 kpatotal head=300×103 kpathe water power is…

Q: 3. A pump draws water at 300 liters per second from reservoir A and lifts it to reservoir B as…

A: Given data: Discharge=300 l/s Head loss at A=20*velocity head in 200 mm dia Head loss at…

Q: A Kaplan turbine develops 1500 kW under a head of 6 m. The turbine is set 2.7 m above the tailrace…

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Q: - The following data were obtained from a test on a pelton wheel : (i) Head of the base of nozzle =…

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Q: A water turbine delivering 10 MW power is to be tested with the help of a geometrically similar 1:…

A: A water turbine- Power Pp=10 MW = 10 x 106 W 1 : 10 Model, at same speed & efficiency, Nm=Np To…

Q: 3. A pump draws water at 300 liters per second from reservoir A and lifts it to reservoir B as…

A: Q = 300L/s = 0.3 m3/s

Q: Prob-3 A cyclic machine, shown in Fig. below receives 300 kJ from a 1000 K energy reservoir. It…

A: The high temperature of the energy reservoir TH=1000 KThe low temperature reservoir, TL=400 KEnergy…

Q: Water is pumped through a pipeline to a height of 10 m at the rate of 0.1 m³/s, friction and other…

A: Given: Height of pump, H = 10 m Rate of flow, Q = 0.1 m3/s Friction and other minor losses or total…

Q: A centrifugal pump running at 500 rpm and at its maximum efficiency is delivering a head of 30 m at…

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Q: 9.The pump shown delivers 115 li/s of oil, sg = 0.84, toreservoir D at elevation 72 m. The energy…

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Q: An open cylindrical tank having a radius of 0.4m radius and 2.5m high is full of water. At what…

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Q: 6. Which among the following is not a positive displacement pump? a) Centrifugal b) Reciprocating c)…

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Q: A flocculation tank contains 1800 m³ of water, which is mixed using paddles at an average velocity…

A: Given- Volume of water = 1800 m3 G=100/s Dynamic viscosity- μ=0.798×10-3 N-s/m2 It is needed to find…

Q: A centrifugal pump has a rated capacity of 600 GPM. When operating at a speed of 1,500 revolutions…

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Q: Water at 20°C is transported from 2m high tank to a another 9m high tank through 25m long parallel…

A: parallel pipe is given so discharge is different and and head loss will be equal for both given…

Q: B- For each statement about centrifugal pumps, choose whether the statement is true or false, and…

A: We have to verify the correctness of the above statements on centrifugal pumps.

Q: Water flows through a turbine as shown in figure, where the pipeline upstream of the turbine has a 2…

A: Let us estimate the power delivered to the turbine in step 2.

Q: A centrifugal pump running at 500 rpm and at its maximum efficiency is delivering a head of 30 m at…

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Q: The flow ratio of a Francis turbine, if it is working under a head of 62 m and velocity at inlet 7…

A: Working head (H) = 62 m  Velocity at inlet (V) = 7 m/s  g = 10 m/s2  Determine the flow ratio of a…

Q: A flocculation tank contains 1800 m³ of water, which is mixed using paddles at an average velocity…

A: Given data- volume V=1800 m3,velocity gradient G=100/s,dynamic viscosity μ=0.798×10-3 Ns/m2, To…

Q: Q DA V₁ = 1/2 A. Vi V ) B. Vi = - C. VI = V Q V2 Q2 depth, which equ

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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.