2. The 600 mm pipe shown in the figure conducts water from a reservoir A to a pressure turbine, which discharge through another 600 mm pipe into water tank B. The head loss from A to 1 is 5 times the velocity head in the pipe and the head loss from 2 to B is 0.2 times the velocity head in the pipe. If the discharge is 700 L/s, what horse power is being given up by the water to the turbine and what are the pressure heads at 1 and 2 2 HE = 49.20 m HP = 453.50 hp (input) P₁/y = 53.63 m P2/y = -4.43 m A Ws El 60 m EL 4.5 m 600 mm 1 600 mm 90 kPa s EL 0 m

2. The 600 mm pipe shown in the figure conducts water from a reservoir A to a pressure turbine, which discharge through another 600 mm pipe into water tank B. The head loss from A to 1 is 5 times the velocity head in the pipe and the head loss from 2 to B is 0.2 times the velocity head in the pipe. If the discharge is 700 L/s, what horse power is being given up by the water to the turbine and what are the pressure heads at 1 and 2 2 HE = 49.20 m HP = 453.50 hp (input) P₁/y = 53.63 m P2/y = -4.43 m A Ws El 60 m EL 4.5 m 600 mm 1 600 mm 90 kPa s EL 0 m

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

A liquid (SG = 0.626) is being pumped from a reservoir as shown. The pressures at points 1 and 2 are -7 psi and 44 psi, respectively. The rate of flow in the pipe is 0.589 ft3/s. What will be the rating of the pump (in horsepower) if its efficiency is 88%? Neglect energy (friction) losses in the system. Use x = 5 ft., y = 7 ft. Use 1 hp = 550 Ib-ft/s. Round off to two decimal places. Pipe Diameter, D y Pump Liquid Specific Gravity, SG
The following figure shows a pump that extracts water from a reservoir with a volumetric discharge rate of Q L/s. Assume all losses are negligible. a) What would be the pressure at points A and B, when the pump-motor system extracts P kW from the electric grid. The combined efficiency of the pump-motor system is 60%. b) Draw the Energy Grade Line (EGL) and Hydraulic Grade Line (HGL) for this system. Q = 0.055 L/s; P= 20 kW B 1.2 m Atmosphere C 3.0 m Diameter: 10 cm Pump Diameter: 15 cm
Water is being discharged from a reservoir through a turbine as shown. Determine the elevation of the water surface in the reservoir that would be required in order for the turbine to generate 56 kW of power. The head loss in the 300 mm diameter pipe is 3.125 times its velocity head and the head loss at the 600 mm diameter pipe is 0.68 times its velocity head. A 20 mm diameter steel pipe is used to drain and oil tank (SG=0.88) as shown. If the total head loss is 2.904m, find the velocity at point 2.
Oil with sp. gr. of 0.87 is being pumped from a lower reservoir to an elevated tank as shown. The pump in the system is 78% efficient and is rated 185 kW. Determine the flow rate of the oil in the pipe if the total head loss from point 1 to point 2 is 12 m of oil. 160mm 200mm s EL 200m El.150m Oil. Sp.gr.=0.82
Q4 A pump is used to circulate the water from the lower to the upper reservoir through a pipe system shown in the figure below. The difference in elevation between these reservoirs is 200 m. find the head delivered by the pump and its power if the discharge is 100 L/s? KL = 1.0 "exit Pump KL = 1.5 elbow = 5.0 Pipe length 500 m Pipe diameter 0.25 m K₁=0.8 Pipe roughness=0.004 m HKL
8. A pump takes water from an 8 inch suction pipe and delivers it to a ó inch pipe in which the velocity is 8 feet per second. At a point along the suc tion pipe, a pressure of -6 psi is observed while a pressure of 60 psi is observed along the discharge pipe. 15 feet higher than the previous point. What horsepower must be supplied to the pump of efficiency 80 percent to maintain the system.
A pump draws 24L/s of water from reservoir A and lifts it to reservoir B. The head lost from A to 1 is 3 times the velocity head in the 150mm suction line and the head lost from 2 to B is 25 times the velocity head in the 100mm discharge line. (A) What is the power delivered by the pump to the system in hp? (B) What is the pressure head in meters in point 1? (C) What is the pressure head in meters in point 2?
Figure 2 is a schematic of a pumped-storage system. How much power must be supplied to the water by the pump (in kilowatte) talpump water at 0.085 m/s at 20°C from the lower to the upper reservoir? Deo A Figuro 2: Pumping from lower to higher elevation The head loss in the pipes is h, 0.018 where Lis the length of the pipe in metors, and D is the diameter of the pipe in meters. D 25 Sketch the HGL and EGL for the system
Oil with sp. gr. of 0.87 is being pumped from a lower reservoir to an elevated tank as shown. The pump in the system is 78% efficient and is rated 185 kW. Determine the flow rate of the oil in the pipe if the total head loss from point 1 to point 2 is 12 m of oil. 160mm 200mm EL.200m W.S. El. 150m Oil. Sp.gr.=0.82
A booster pump is installed in the pipeline between the two reservoirs. If the energy head increased by the pump is 20 m, then what is the flow rate in the pipeline? Assume that length of pipeline is 1500 m, diameter of pipe is 300 mm and coefficient of friction is 0.02. -R.L = 200 m 300 mm Pump B R.L = 185 m
3.18. Water is pumped from a supply reservoir to a ductile iron water transmission line, as shown in Figure 3.26. The high point of the transmission line is at point A, 1 km downstream of the supply reservoir, and the low point of the transmis- sion line is at point B, 1 km downstream of A. If the flowrate through the pipeline is 1 m³/s, the diameter of the pipe is 750 mm, and the pressure at A is to be 350 kPa, then: (a) esti- mate the head that must be added by the pump; (b) estimate the power supplied by the pump; and (c) calculate the water pressure at B. Supply P reservoir Elev. 7 m Pump A Elev. 10 m Elev. 4 m Transmission line B
Water is pumped from a supply reservoir to a ductile- iron water-transmission line, as shown in Figure 2.26. 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 line is at point B, 1 km downstream of A. If the flow rate through the pipeline is 1 m3/s, the diameter of the pipe is 750 mm, and the pressure at A is to be 350 kPa, then: (a) estimate the head that must be added by the pump; (b) estimate the power supplied by the pump; and (c) calculate the water pressure at B. Supply reservoir Elev. 7 m Pump Elev. 10 m Transmission line Elev. 4 m- B Figure 2.26: Water pumped into a transmission line