3. A pump draws water from a 20 cm diam suction pipe and discharges through a15 cm diam pipe in which the velocity is 3.60 m/s. The pressure is-34.465 kPaat A in the suction pipe. The 15 cm diam pipe discharges horizontally into air atC. To what height h above B can the water be raised if B is 1.8 m. above A and20 hp is delivered to the pump? Assume that the pump operates at 80 %efficiency and that the frictional loss in the pipe between A and C is 3 m.Given:Suction pipeDischarge pipe1.80 mpumpDatum lineDA = 20 cm = 0.20 mDe = Dc = 15 cm 0.15 mPA=- 34.465 KPa (suction pressure)Ve = Vc = 3.6 m/sPc 0 (atmospheric pressure)BHP = 20 hpPump efficiency = 80%HLA-C) = 3 mRequired:

Answered: Image /qna-images/answer/f58ff187-336e-41c3-ad80-b10945fff3b7.jpg

Answered: 3. A pump draws water from a 20 cm diam…

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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Water is pumped from a supply reservoir to a ductile iron water transmission line. The high point of the transmission line is at point A 1 km downstream of the supply reservoir and the low point of the transmission is at point B 1 km downstream of point A. If the flow rate through the pipeline is 1m³/s the diameter of the pipe is 750mm and the pressure at A is to be 350 kPa. A) estimate the head that must be added by the pump. B) estimate the power supplied by the pump. C) calculate the water pressure at B.
Hot water in an open storage tank at 82.2°C is being pumped at the rate of 0.379 m3 /min from the tank. The line from the storage tank to the pump suction is 6.1 m of 2-in. Schedule 40 steel pipe and it contains three elbows. The discharge line after the pump is 61 m of 2-in. pipe and contains two elbows. The water discharges to the atmosphere at a height of 6.1 m above the water level in the storage tank. a. Calculate all frictional losses ΣF. b. Make a mechanical-energy balance and calculate Ws of the pump in J/kg. c. What is the kW power of the pump if its efficiency is 75%?
A pump draws water from reservoir A and lifts it to reservoir B as shown. The loss of head from A to 1 is 3 times the velocity head in the 150mm pipe and the loss of head from 2 to B is 20 times the velocity head in the 100mm pipe. When the discharge is 20 liters/sec. Compute the pressure head at point 1 and 2. B EL240m ELO 150 mm EL-20m • ura 001
T1. Water is to be pumped from a reservoir at datum level 6.5m to a reservoir at datum level 24.8m at the rate of 55.6 l/s by a pump at datum level 9.2m. The suction pipe is 21m of 200mm diameter, and the delivery pipe is 186m of 100mm diameter, both with friction factor 0.015. What head must be generated by the pump. Answer 89.9m Delivery reservoir ha Z₂ hs Suction reservoir Datum Z₁ Pump
An 8 hp pump is installed near the reservoir container of oil having a s.g. Of 0.82. The rate of flow of the pipe is 0.014 ?3/s. The pressure at 1 and 2 are -28 kPa and 290 kPa respectively. a. Compute the head added by the pump in meters.b. Compute the output hp of the pump.c. Compute the efficiency of the pump
A pump draws water from reservoir A and lifts it to reservoir B as showm, The head los from reservoir A to pipe 1 is 3 times its velocity head and the head loss for pipe 2 to reservoir B is 20 times the velocity head. When the discharge is 20 L/s a) Compute the horsepower output of the pump in kW b) Compute the pressure head at pipe 1 c) Compute the pressure head at pipe 2 EL Om pipe 1 150 mm pipe 2 100 mm -EL-20 m EL 240 m
33 Elev A Water Elev C Turbine Water flows from Reservoir A (Elev 128 ft.) to a turbine (Elev 73 ft.) then discharges into tailtrace B (Elev 24 ft.) as shown. The head loss from (A) to (1) is 3 times the velocity head in the pipe, and the head loss from (2) to (b) is 0.64 times the velocity head in the pipe. If the flow rate in the pipe is 35 f13/s, diameter of all pipes is 24 in, calculate the horsepower generated by the turbine. Use 1 hp = 550 lb-ft/s. Round off to the nearest whole number. Elev B %3D Question 33 of 48>> A Moving to another question will save this response. F11 F12 DELETE FS F6 F7 FB F9 F10 F2 F3 F4 INSERT 23 & %24 4 % NUN %3D 7 } { [
3. A pump is discharging 12 lit/sec of water through 100mm diameter smooth steel pipe. When the pump is 700 kPa, the discharge pipe is at a point 540m distant from the pump and 45m higher in elevation. a. What is the velocity of flow on the discharge side of the pump? b. Assuming f = 0.025, compute the head loss of the pipe. c. Compute the pressure expected in the discharge pipe. 100 mm dia. 45.0 m 540 m
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pls answer asap for my hydraulics course. A 30 cm diameter pipe is connected by a reducer to a 10 cm diameter pipe. Points 1 (on the 30 cm diam.) and 2 (on the 10 cm diam.) are along the same elevation. The pressure at 1 is 250 kPa. The flow is 30 liters per second and the energy lost between 1 and 2 is equivalent to 20 kPa. Compute the pressure at 2 if the liquid flowing has a specific gravity of 1.50.
During a flow of 450 L/s, a pressure of 65 kPa was measured at point C in 320 mm diameter horizontal the supply line of water turbine and a -47 kPa pressure T. was measured at point D, 2 m below point C at the 460 diameter exit pipe. mm Compute the total head extracted by a. the turbine. b. Compute the power supplied to the turbine in horsepower.
3. A pump draws water from a 20 cm diam suction pipe and discharges through a 15 cm diam pipe in which the velocity is 3.60 m/s. The pressure is – 34. 465 kPa at A in the suction pipe. The 15 cm diam pipe discharges horizontally into air at C. To what height h above B can the water be raised if B is 1.8 m. above A and 20 hp is delivered to the pump? Assume that the pump operates at 80 % efficiency and that the frictional loss in the pipe between A and C is 3 m. Given: h B Suction pipe Discharge pipe 1.80 m pump Datum line DA = 20 cm = 0.20 m DB = Dc = 15 cm = 0.15 m PA = - 34.465 KPa (suction pressure) VB = Vc = 3.6 m/s Pc = 0 (atmospheric pressure) BHP = 20 hp Pump efficiency = 80% HL(A-C) = 3 m

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