Problem 3Water (20°C) is pumped through the 300-mm steel pipe from the lower tank to the upper one at a rate of0.4 m³/s. Given that the pump efficiency is 65% and the pump is on for 5 hours each day, what will be themonthly (30 days) energy cost for the pump if the electricity rate is 0.5 USD per kWh? Assume α = 1.0throughout.Elevation=235 m10 m50 mElevation 200 m=300 mm r = 300 mm100 m

Answered: Image /qna-images/answer/213470b9-edf7-4a88-a755-224350a927de.jpg

Answered: Problem 3 Water (20°C) is pumped…

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

The pump has to draw 0.7 m/s flow to the pipe at an elevation of 10 m where a pressurep = -88.29 kPa gage prevails. A head loss h̟ = 0.5 V²/2g assumed, where V is the velocity in the discharge pipe. If the pump efficiency is 70%, how much power has to be drawn from the national gridline? p=-88.20 KPa gage Elevation = 10 m - D= 30 cm Elevation = 6 m 40 cm diameter Water T= 10-C Elevation = 2 m O P, = 24.52 kW O Pp = 83.39 kW O Pp = 63.77 kW O All other answers are wrong
dupe Water is pumped from a lake to a storage tank 80 m above at a rate of 0.005 m³/s. If the GL pump-motor efficiency is 75%, and the irreversible head loss is 15 m. a) Find the consumed electric power by the pump. b) Find the pressure difference across the pump. > شما 80 m Z7² J Pump Storage tank 20 Zz Z
The mechanical efficiency of the pump is 0.85 and pumping with a rate of 650 gal/min of engine oil at 100° with the following properties: specific gravity of 0.883 and kinematic viscosity 21.9x10-6. The 6-in and 4-in Schedule 40 pipe has an area of 0.2006 ft² and 0.0884 ft², respectively. Determine the power added by the pump. Flow Pump 6-in Schedule 40 4-in Schedule 40 | 4 in Engine Oil 30 in Mercury (sg =13.54)
Q1: For a centrifugal pump has a power of 12KW, the efficiencies of the pump and the motor are 60% and 80% respectively, the discharge of the pump is 20 l/sec. Find: 1-The head of the pump. 2-If the cost of the current is 600 I.D. per KW; ecompute the monthly cost of the operations if the daily flow average is 720 m². 3-The head, discharge and power if the pump speed changed to 1850 rpm instead of 1100 rpm. V. Q UT
Question 5: For system shown below, estimate: 1. The head, flow rate, and efficiency in case of combined pumps in parallel and series 2. At which configuration should the system be operated? 3. In case pump 2 is turned-off, estimate the shut-off head and free delivery flow rate in the system 20 Hp (m) 40 100 80 60 -Pump 2 Pump 1 Efficiency curve 100 200 Combined in series Combined in parallel 300 Eff. 90% 80% 70% 60% 50% 40% 30% 400 Q(L/min)
The system presented on Figure 1 pumps water from the left reservoir to ensure a water in the elevated basin stays level. Knowing that the offset from water-surface to water-surface 7.5m and the water temperature is 5oC, you must: a) Determine the out-flow from the basin's orifice; b) Determine the efficiency of the pump (n) feeding the basin if the pump's absorbed power is 2550W; Consider that hs=0 c) Determine how long it will take for the basin to fully empty if the pump ceases to function. Lconduit 20m; Chw-130; D=0.15m 1m h Dorifice =0.075m; h=1.2m; Dimension of the rectangular basin: 3m x 2m *The orifice coefficient can be presumed to be 0.9 Figure 1
40gal/min of water is pumped and the energy loss in the discharge line is 13.5 feet and in the suction line it is 2.5 feet. If the steel suction pipe is 2.5” in diameter and the steel discharge pipe is 1.5” in diameter. The pressure in the distribution tank is 30 psi. Determine a) the pressure at the pump outlet b) the power in kW of the pump.
9:46 M回 O NI l l 96%l IMG 20220311_093841.jpg From a reservoir A whose surface elevation is 225 m, water is pumped through 1200 m. of 300 mmø pipes across a valley to a second reservoir B whose level is at elev. 240 m. During pumping, the pressure is 550 kPa at a point on the pipe midway of its length at C and at elevation 195 m. f a pump is installed near the outlet of the reservoir A and assuming f= 0.02. EL 240 El. 225 600 mm 300 mme 300mm 600m EL 195 O Compute the discharge flowing in the pipeline. Compute the head added due to the presence of the pump. O Compute the horsepower exerted by the pump.
A pump draws water from reservoir A and lifts it to reservoir B. The loss of head from A to section 1 is 3 times the velocity head in the 15 cm pipe and the loss of head from section 2 to B is 20 times the velocity head in the 10 cm pipe. Compute the power input of the pump assuming it operates at 80 percent efficiency. The discharge in the system is 15 L/s. NEED ANSWER ASAP
10. A fire pump delivers water through a 300 mm main hydrant to which is connected a cotton rubber-lined fire base 100 mm in diameter terminating in a 25 mm diameter nozzle (Cv = 0.98) .Assuming friction lost in 300 mm pipe is 3.1 m, 2.5 m from the 100 mm , and 0.8 m from the reservoir to the pump. A) Compute the added energy produce by the pump if it delivers 20 L/s B) If the jet of the nozzle is thrown vertically, what is the maximum height that the water can reach? C) What is the pressure at the pump? EL 70 m 300 mm EL 5 m 100 mm hydrant EL 20 m 25 mm nozzle) El 22 m
USE EXCEL Water at 20 degrees celsius is to be pumped from a reservoir (ZA=2m) to another reservoir at a higher elevation (ZB=9m) through two 25 m long plastic pipes connected in parallel. The diameters of the two pipes are 3cm and 5cm. Water is to be pumped by a 68 percent efficient motor pump unit that draws 7kw of electric power during operation. The minor losses and the head loss in the pipes that connect the parallel pipes to the two reservoirs are considered to be negligible. Determine the total flow rate between the reservoirs and the flow rates through each of the parallel pipes
Question 5) A city population in years 1990 and 2000 is 120000 and 190000, respectively. Water demand will be supplied from reservoir. Mean daily consumption, meangday is 150 1l/capita'day. Maximum allowable pressure on the pipeline, ( = 100m Minimum pressure of transmission line, 15 4 max. line min.line m. Pump station is working 24 hours a day. According to ILBANK for population in 2035, determine power of the pump for two different cases. Elevations and pipe diameters are given in Figure. a) In the first case, pump is located between BC, b) In the second case, pump is located at Point (A). 170 155 1000 m O 350 1000 m O 350 123 120 120 500 m A-0,018 Tank D A Ф350

SEE MORE QUESTIONS

Recommended textbooks for you

Structural Analysis

Civil Engineering

ISBN:

9781337630931

Author:

KASSIMALI, Aslam.

Publisher:

Cengage,

Structural Analysis (10th Edition)

Civil Engineering

ISBN:

9780134610672

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Principles of Foundation Engineering (MindTap Cou…

Civil Engineering

ISBN:

9781337705028

Author:

Braja M. Das, Nagaratnam Sivakugan

Publisher:

Cengage Learning

Structural Analysis

Civil Engineering

ISBN:

9781337630931

Author:

KASSIMALI, Aslam.

Publisher:

Cengage,

Structural Analysis (10th Edition)

Civil Engineering

ISBN:

9780134610672

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Principles of Foundation Engineering (MindTap Cou…

Civil Engineering

ISBN:

9781337705028

Author:

Braja M. Das, Nagaratnam Sivakugan

Publisher:

Cengage Learning

Fundamentals of Structural Analysis

Civil Engineering

ISBN:

9780073398006

Author:

Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning

Publisher:

McGraw-Hill Education

Sustainable Energy

Civil Engineering

ISBN:

9781337551663

Author:

DUNLAP, Richard A.

Publisher:

Cengage,

Traffic and Highway Engineering

Civil Engineering

ISBN:

9781305156241

Author:

Garber, Nicholas J.

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS