Q2. Assume the pump has the performance plotted in Figure Q7Efficiency (%)10080604020CTotal head (ft)200,6045150Head100 3050 1500Efficiency5002000Power1000400015002000kW604530152500 (gal/min)8000 10000 (l/min)hp80TT6040206000Pump capacityFigure Q2Assume the pump was operating at a rotational speed of 1750 rpm for water y = 9810 N/m^3 and thatthe impeller diameter was 330 mm. The power required for this pump is 37 KW and the total head is 40m. find the performance of pump at a speed of 1250 rpm. Where 1 m^3-1000 L.Power

Given:The initial rotational speed of the pump:And initial total head available:Final rotational…

Q2. Assume the pump has the performance plotted in Figure Q7 Efficiency (%) 100 80 40 20 Total head (ft) 200,00 150 Head 45 A 10020 0 50 15 0 Efficiency 500 2000 Power 1000 1500 4000 6000 Pump capacity 2000 KW 60 45 30 15 2500 (gal/min) 8000 10000 (l/min) hp 80 60 40 20 Power Figure Q2 Assume the pump was operating at a rotational speed of 1750 rpm for water y = 9810 N/m^3 and that the impeller diameter was 330 mm. The power required for this pump is 37 KW and the total head is 40 m. find the performance of pump at a speed of 1250 rpm. Where 1 m^3-1000 L.

Q2. Assume the pump has the performance plotted in Figure Q7 Efficiency (%) 100 80 40 20 Total head (ft) 200,00 150 Head 45 A 10020 0 50 15 0 Efficiency 500 2000 Power 1000 1500 4000 6000 Pump capacity 2000 KW 60 45 30 15 2500 (gal/min) 8000 10000 (l/min) hp 80 60 40 20 Power Figure Q2 Assume the pump was operating at a rotational speed of 1750 rpm for water y = 9810 N/m^3 and that the impeller diameter was 330 mm. The power required for this pump is 37 KW and the total head is 40 m. find the performance of pump at a speed of 1250 rpm. Where 1 m^3-1000 L.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Related questions

Q: The efficiency at the best operating point is:

A: The best operating point is that point at which a pump is least prone or least probable to failure…

Q: Ah against capacity Q pump and system curves for both pumps running on the basis of the O1. Two…

Q: A centrifugal fan is delivering 2000 cfm of air at a total pressure differential of 2 in.w. The fan…

A: Disclaimer: Since you have posted a question with multiple subparts, we will solve the first three…

Q: Q4: Centrifugal fan Q₁ 1.8 m3/s and Pa 1.2 kg/m² and P, 740 pa and N₁ 1100 r.p.m find. 1-W₁1 10.7 2-…

A: (a) To find: The compressor work. Given: The flow rate of the fan is Q1=1.8 m3s. The density of air…

Q: bar. Calculate the theoretical and actual flow if it has a volumetric efficiency of 88%, the real…

A: we have to determine the flow rate and power

Q: 2 for the system shown in Figure 2, the parameters of pump and motor are as follows: maximal…

A: According to the given information of the system, we have the following parameters which are given…

Q: A centrifugal pump has the following characteristics: V (m³/h) H (m) n (%) 23 46 69 92 115 16 13.5 2…

A: Given:Pipe length, L=800 mDiameter of pipe, d=15 cm or 0.15 mstatic head, hs=8 mTemperature of…

Q: Water is pumped at a rate of 60 GPM through a 2 inch diameter pipe at an elevation of 100 ft and a…

A: Given Data in Question :-

Q: B-A pump has the following parameters N=2133.5 RPM, Ns = 40 RPM, D=37.1 cm and is used to pump water…

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve first three sub…

Concept explainers

Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.

Question

Q2. Assume the pump has the performance plotted in Figure Q7
Efficiency (%)
100
80
60
40
20
C
Total head (ft)
200,60
45
150
Head
100 30
50 15
0
0
Efficiency
500
2000
Power
1000
4000
1500
2000
kW
60
45
30
15
2500 (gal/min)
8000 10000 (l/min)
hp
80
T
T
60
40
20
6000
Pump capacity
Figure Q2
Assume the pump was operating at a rotational speed of 1750 rpm for water y = 9810 N/m^3 and that
the impeller diameter was 330 mm. The power required for this pump is 37 KW and the total head is 40
m. find the performance of pump at a speed of 1250 rpm. Where 1 m^3-1000 L.
Power

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: Step 1

Step 2: Step 2

Step 3: Step 3

Solution

Trending now

This is a popular solution!

Step by step

Solved in 4 steps with 6 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Water enters a fountain through a pipe with a cross-sectional area A1 at a flow rate Q. The pressure in the inlet pipe is p1. The water then leaves through a nozzle with a cross sectional area A2 and at an angle 8, as shown in Figure Q5. Both the inlet and the nozzle are at a height h2, and the jet reaches a maximum height 13. You may assume that viscosity is negligible. a) Find the horizontal force on the block b) What is the horizontal-component (u2), vertical component (v2) and magnitude (V2) of the velocity of the jet as it leaves the nozzle? c) What is the maximum height of the jet? You may assume that the horizontal component of velocity is the same at every point in the jet. P₁ A₁ A₂. To h₂ h3 Figure Q5: Jet emitting from a fountain.
B) The air flow to a four cylinder four-stroke engine is 2.15 m³/min. During a test on the engine the following data were recorded: Bore 10.5cm; stroke 12.5cm; engine speed 1200 rpm, torque 150 N.m, fuel consumption 5.5 kg/hr, calorific value of fuel, 43124 kJ/kg, ambient temperature 1-The brake thermal efficiency. and pressure are 20°C and 1.03 barş. Calculate: 2-The brakes mean effective pressure. 3-The volumetric efficiency.
Please solve and answer the question correctly. Thank you!!
1. A centrifugal fan is delivering 2000 cfm of air at a total pressure differential of 2 in.w. The fan has an outlet area of 0.85 ft? and requires 1.25 hp shaft input power. The fan speed is 1000 rpm. If the fan motor efficiency 85%, calculate: a) The total fan output power (hp) b) The fan total efficiency c) The fan static pressure, in.w d) The fan static efficiency e) The motor power, kW f) If the fan speed is reduced to 800 rpm, compute; i. The capacity (cfm) ii. The static ant total pressures, in.w. ii. The required power (shaft power), hp
show all working out please
A centrifugal pump has the following characteristics as shown in Table 1. Table 1: Pump characteristics Q(m3 /s) 0.033 0.029 0.027 0.0235 0.020 0.017 0.0133 H(m) 40 60 66 75 80 84 90 Efficiency % 20 45 55 68 75 66 45 The pump is used to pump water from a low reservoir to a high reservoir through a total length of 1100 m of pipe 250 mm in diameter. The difference between the water levels in the reservoirs is 25 m. Neglecting all losses except friction and assuming λ=0.042, calculate: i. The discharge and head at the duty point for the pump. (20) ii. The efficiency at the duty point. (5) [2
The system curve for a water supply system is shown in the figure below (i.e., red curve). If a 7-inch pump is operating at 1160 rpm, what will be the discharge of water through the system in GPM? Curve no. 2175 Min. Imp. Dia. 6.25" Size 5 x 4 x 7.0 40 HEAD IN FEET 30 25 W 20 10 5 L/SEC 5 7.00" (178mm) 6.75" (171mm) 6.50" (165mm) 15 6.25" (159mm) 7.25" (184mm) O 150 GPM Laco O 350 GPM O 450 GPM O 250 GPM 10 Model 4075 FI & CI Series 15 70% 20 "Dede de 088 A. 25 REQUIRED NPSH 90 1160 RPM November 1, 2010 TM 90- N 00 30 8800 877 1HP(.75KW) de (5 60% ox 35 -10% 5% Tolo 10. 3HP(2.2KW) 2HP(1 5KW). 15HP(1 1KW). CURVES BASED ON CLEAR WATER WITH SPECIFIC GRAVITY OF 1.0 ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 75 150 225 300 375 450 525 600 675 FLOW IN GALLONS PER MINUTE 45 LOWONG FEET 15 12 9 6 0 6 5 + 2 1 750 NPSH HEAD IN METERS 45 36 OG KPO 27 18 -9 -70 -60 -50 -40 20 10 -0 HEAD IN KILOPASCALS
a) Develop an equation for the head (in ft) developed by the pump described by the chartas a function of flow rate (in gpm) when the pump uses a 9 ¾” impeller. b) Develop an equation for the pump efficiency as a function of flow rate (gpm) when the pump uses a 9 ¾” impeller.
i need ans very very fast in 20 min and thank you | ᴅʏʙᴀʟᴀ ?✨؛
For the following pump-pipe system below, how will the discharge and pump head change if a smaller pump in the same family is used to replace the current pump? Increase or decrease? EB EA Head (ft) 350 300 250 225 200 150 100 50 0 0 5 10 O Pump head will decrease; discharge will decrease. O Pump head will increase; discharge will increase. O Pump head will increase; discharge will increase. O Pump head will decrease; discharge will increase. 15 20 Discharge (cfs) System head curve 25 H₂ -Intersection point Pump characteristics 30 35 40
A pump has overall efficiency of 70 %. It delivers 90 Ipm at 1000 rpm and 700 N/cm". If the prime mover input torque is 12 KN-cm, calculate a) the actual torque of the pump b) volumetric displacement in cm". Comment on the significance of torque in pumps. A BI
Imagine the water level in the tank as shown in the Figure rises at a rate of 0.004579 ft³/sec. then find: i) The volume flowrate of water leaving the tank (Q3) in ft³/s from pipe 3. ii) The average velocity of water leaving the tank (V3) in ft/s from pipe 3. Pipe 1: Qi=0.0109 ft²/s Pipe 2: Q₂ = 0.025 ft³/s Pipe 3: dy = 1.5 in. V₁ = ?! Q₁ =?