AirP1Water40 mWater2 cm 1.2 L/Two water reservoirs A and B are connected to each other through a 40-m-long, 2-cm-diameter cast iron (ε = 0.00026 m) pipe with a sharp-edged entrance (K₁ = 0.5). The pipealso involves a swing check valve (K₁ = 2), a fully open gate valve (K₁ = 0.2) and the exit (K₁ = 1). The water level in both reservoirs is the same, but reservoir A is pressurised bycompressed air while reservoir B is open to the atmosphere at 89 kPa. The initial flow rate through the pipe is 1.2 litre/s and the water temperature is 10°C (p = 999.7 kg/m³, µ =1.307 x 10³ kg/ms).Determine the absolute air pressure on top of reservoir A.kPa

Answered: Image /qna-images/answer/0b904bae-73b0-432a-9466-ac96d0bf0a97.jpg

40m 120 1.2L/ Water ervoirs A and B are connected to each other through a 40-m-long, 2-cm swing check valve (K₁ = 2), a fully open gate valve (K₁ = 0.2) and the e r while reservoir B is open to the atmosphere at 89 kPa. The initial flow (ms). absolute air pressure on top of reservoir A. kPa

40m 120 1.2L/ Water ervoirs A and B are connected to each other through a 40-m-long, 2-cm swing check valve (K₁ = 2), a fully open gate valve (K₁ = 0.2) and the e r while reservoir B is open to the atmosphere at 89 kPa. The initial flow (ms). absolute air pressure on top of reservoir A. kPa

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: 7.30 FEUS For this refinery pipe, D, 20 cm. D, = 14 cm, and L= 1 m. If crude oil (S = 0.90) is…

Q: The water level in a tank is 15 m above the ground. A hose is connected to the bottom of the tank,…

Q: Q3/ Three opening of head regulator with 2 m each. The head between US and DS equals to 1.75 m. and…

A: 3 head regulator with 2m each head h= 1.75 mvertical opening = 2.5 mCd = 0.62need to find1- the…

Q: bject: Dete: he wat er level in a tank iS 20m above the giound. A hose is connected to the Dotton of…

A: Given data Depth of water Height of water jet To find Pump minimum pressure

Q: A closed tank contains 20m deep water. A hose is connected as shown such that the nozzle (diameter =…

A: To Determine Theoretical exit velocity (v) at the nozzle assuming no losses.

Q: A centrifugal pump having outer diameter equal to two times the inner diameter and running at…

A: Given : Outer dia = 2 inner dia Running at 1200 rpm total head of 32 m velocity of flow = 3m/s outer…

Q: A venturi meter has an inlet diameter of 31 mm and a throat diameter of 19 mm. It has a mean…

Q: A fire pump delivers water through 15 cm main pipe to a hydrant to which is connected an 8 cm hose,…

Q: The water level in a tank is 34 ft above the ground. A hose is connnected to the bottom of the tank…

Q: Select all the TRUE statement(s) for a free jet system.

A: For velocity we havev=2ghso for waterjet it only depends on height.V=Area×hVolume can be small with…

Q: Compute the pressure at the water pipe. 2.0m -Sen water (Sg - 1.05) 2.7m 2m 1.5m meraury sg-2.1

Q: 33 Elev A Water Elev C Turbine Elev B Water flows from Reservoir A (Elev 128 ft.) to a turbine (Elev…

A: Given Discharge, Q = 35 ft3/s Elevation of reservoir A = 128 ft Elevation of Turbine = 73 ft…

Q: An 8 hp pump is installed near the reservoir container of oil having a s.g. Of 0.82. The rate of…

Q: Q (3) - The Kaplan turbine is running at 55 r.p.m, of runner diameter 5 m. The axial flow area of…

Q: A- ال 13 الحل Determine the pressure head, elevation head, and total head at A, B, and C for the…

A: Total head = Pressure head + elevation head Take ponit B Elevation head = 1.4 - . 5 = 0.9 m…

Q: Find the flow rates in each line. (Neglect all minor losses.) hA=k A D = 0.20 m f = 0.020 B AB 20k…

Q: A pump draws water from a 200mm diameter suction pipe and discharges through a 150mm pipe in which…

A: This problem can be solved by using the bernoulli equation between A and B. The given system is :…

Q: al pump has an impeller of 500 mm external diameter and 200 mm internal diameter. It runs at 1000…

A: Given:- D=500mm d=200mm runs at 1000 rpm angle= 30 degree radial velocity=2m/s To find"- (a) Angle…

Q: Q- In a single-acting reciprocating pump, the acceleration head at the beginning of the suction…

A: Given, Hatm= 10m Suction head created by pump= -3.5m

Q: at tanks is 3m. Calculate the required head of the boosting equipment in meters of water.

A: Apply Bernoulli's equation between the cold water system and tanks P1ρg+V122g+Z1=P2ρg+V222g+Z2+H…

Q: at 200 rpm. The gui

Q: An inward flow reaction turbine has external and internal diameter as 1m and 0.5m respectively. The…

A: Given data in question External and internal Diameter 1 m and 0.5 m Velocity 1.5 m/s To find out…

Q: Water is supplied at 180 ft³/s and 67 psi to a hydraulic turbine through a 3-ft inside-diameter…

Q: The water level in a tank is 15 m above the ground. A hose is connected to the bottom of the tank,…

Q: Problem 7 72 Air at 1500 kPa absolute flows in a 25-mm-diameter tube. maximum laminar flow rate. Use…

Q: A water tube steam generator operating at 180 bar has 15 m high and 7.5 cm in ID tubes. The pressure…

A: Given data- Operating pressure (P)=180 bar Height (H) = 15 m Diameter (D) =7.5 cm Drop-in pressure…

Q: W.S. EL 80 m B 10 cm diam. W.S. EL 0 A Pump EL- 6 m (Datum plane) (1) (2) 15 cm diam, FIGURE 5.16

Q: A liquid of specifi gravity 1.75 flows in a 6cm horizontal pipe. The total energy at a certain point…

Q: Water is supplied at 150 ft3/s and 70 psi to a hydraulic turbine through a 3-ft inside- diameter…

Q: Open Channel Flow - Uniform Flow A penstock of 1 m diameter and 5 km length is used to supply water…

A: Given data- Diameter of penstock d=1 m, Length L=5 km=5000 m. Nozzle diameter dn=15 cm=0.15 m, Head…

Q: A 6cm fire host water discharges through a nozzle having a diameter of 2.5cm. the head lost in the…

A: Consider the free body diagram as;

Q: A mixture of high pressure water and steam at a rate of 0.5 kgs-¹ flows up a vertical tube with an…

A: A vertical tube is basically used for carrying high-pressure water and steam at a specific pressure…

Q: 1. For a maximum expected flow rate of 30 I/s of water. A diameter of 0.2 m is placed. The material…

A: Given data:- Diameter of pipe, d = 0.2 m Length of pipe, L = 250 m Temperature of water, t = 10° C…

Q: 4.2.11. A pump is needed to convey 8 cfs of water at 68°F through a 130-ft-long horizontal, ductile…

A: Detailed explanation:Final values might differ a little bit due to calculation done by…

Concept explainers

Pressurized pipe flow

A 15-kilometer-long pipe with a pipe diameter of one meter transports water at a speed of one meter per second. The pipe has a friction coefficient of 0.005. Calculate the frictional head loss?

Question

Air
P
1
Water
40 m
Water
2 cm 1.2 L/
Two water reservoirs A and B are connected to each other through a 40-m-long, 2-cm-diameter cast iron (ε = 0.00026 m) pipe with a sharp-edged entrance (K₁ = 0.5). The pipe
also involves a swing check valve (K₁ = 2), a fully open gate valve (K₁ = 0.2) and the exit (K₁ = 1). The water level in both reservoirs is the same, but reservoir A is pressurised by
compressed air while reservoir B is open to the atmosphere at 89 kPa. The initial flow rate through the pipe is 1.2 litre/s and the water temperature is 10°C (p = 999.7 kg/m³, µ =
1.307 x 10³ kg/ms).
Determine the absolute air pressure on top of reservoir A.
kPa

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: Determine the absolute air pressure on top of reservoir A

VIEW

Step 2: Determine the absolute air pressure on top of reservoir A

VIEW

Step 3: Determine the absolute air pressure on top of reservoir A

VIEW

Solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 4 steps with 4 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, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

Unless otherwise stated, take the density of water to be p.- 1000 kg/m and its specific weight to be Y.- 624 Ib/ft'. Also, assume all pressures are gage pressures unless stated otherwise. 2-9. The closed tank was completely filled with carbon tetrachloride when the valve at B was opened, slowły letting the carbon tetrachloride level drop as shown. If the valve is then closed and the space within A is a vacuum, determine the pressure in the liquid near valve B when h = 25 ft. The atmospheric pressure is 14.7 psi.
Air 5 m 2 cm
The pressure of compressed air on water surface in the tank shown in Fig. No. 2 is Pca 981 (KN/m²). Water is flowing out from a homogeneous pipe through the open jet. If f= 0.02, minor losses = ZERO, the pressure head h3 of water at the end of the pipe (at point No. 3 inside the pipe before the jet) is 19 (m of water height). Draw H.G.L. of flow in the pipe. Find the value of flow rate Q in the pipe. Pea=981 (KN/m²) Compressed Air Pcaansh W.L 10m Water Fig.(2) asib (m) 160 m d=100mm bus (open o Pyjet Reference Line d=50mm off (ml) odt at wol olev bril stalupis) PAGESEPS 17001 20 30⁰ FOOD Sqiq sild (2m) 400.0lo star ST soutils ni (m) 051 29an bus Jamaih
ori (P=880 kJ /m ) Flow under head 30 min PrPe (L= 3000 m , D= o3 m) becanse of Cooling Viscosity a long the Pipo length Will Chanfe and equal to 0.s la s for I Soo m and . of PiPe Prove that the flow is laminar and find the f low ra te . %3D 14Pa.s for the Yemain length
4. A 2m by 2.5 m closed tank, 12 meters high contains 2m of liquid A, 2.50m of water, 1.50m of sea water (SG=1.03), 1.80m of kerosene (0.85), 0.90m of mercury, and air(0.0012). There is a reading of 70 kPa gage at P attached to the top of the tank. The total pressure at the bottom of the tank is 303 kPa. Determine the a. specific gravity of liquid A b. weight of liquid A in kN
Please state any assumptions required to solve problem
8-42E Water at 60°F passes through 0.75-in-internal- diameter copper tubes at a rate of 1.2 lbm/s. Determine the pumping power per ft of pipe length required to maintain this flow at the specified rate.
c) A reservoir of water is connected to a 12 inch diameter pipe 50 feet long and capped at the end. The water surface elevation of the reservoir is 82.5 feet, and the capped end of the pipe is at elevation 38.0 feet. Find the pressure in psf at the capped end of the pipe. (Hint: The water is not flowing so the only pressure that builds up is due to the weight of the other water in the system.) d) In the swimming pool shown below determine the resultant hydrostatic force and locate the center of pressure on surface AB. Width = 10.0 ft. e) In the swimming pool shown below determine the resultant hydrostatic force and locate the center of pressure on surface BC. Width = 10.0 ft. Optional Bonus Question f) In the swimming pool shown below determine the resultant hydrostatic force and locate the center of pressure on surface CD. Width = 10.0 ft. 8.0' A B 12.0' C - 8.0' E D 3.0' 5.0'
4. A 75 mm diameter fire hose discharges water through a nozzle having a jet diameter of 25 mm. The lost head in the nozzle is 20% of the velocity head in the jet. If the pressure at the base of the nozzle is 725 KPa: compute the discharge in m³/min; the maximum horizontal range to which the stream can be thrown; the maximum vertical reach, and the diameter of the jet mid-height. Neglect air resistance.
choose the correct answer 18- Water flow (frictionless) through a long horizontal conical diffuser at a rate of 4.2 m3/sec. The diameter of the diffuser change from 1m to 1.6 m. The pressure at the smaller end is 9.5 kpa and weight density for water (9.81 kn/m3). The pressure at the bigger end will be: * a) (5-15) kpa b) (15.1- 25) kpa c) (25.1-30) kpa d) More than 30 kpa e)none of all above
he 30o directional pressure pipe elbow in the vertical plane is 60 cm in diameter. from the elbowThe flow rate of the current passing is 1 m3/s. At the lower end (1) of the elbow, the pressure is 70 kPa and the ground level is 30 m, the upperAt the end of the section (2), the ground level is 31 m. The fluid is water (ρwater=1000 kg/m3), frictionless and incompressible.taking into account thata) Find the velocities in sections (1) and (2) and the pressure in section (2).b) The weight of the pipe at the elbow is 1400 N. In case the length between sections is 1.2 mIn order to keep the elbow stable, taking into account the mass of water in the elbow, in the vertical directionCalculate the force that must be applied.
q4