QI/Water flows from the reservoir on the left to thereservoir on the right at a rate of 0.45 ms. The formula for- Ekevation?the head losses in the pipes ish - 0.02 L:D 2gWhat elevation in the left reservoir is required toproduce this flow? Also carefully sketch the HGL and theEGL for the system. Note: Assume the head-lossformula can be used for the smaller pipe as wel as for theElevation34 m80 m90 mD, =0.344 mA, -0.1 mD,= 0.486 mA- 02 mlarger pipe.Q2/A horizontal pipe carries cooling water at 10°C for athermal power plant. what is the pressure in thepipe at L= 2000 m? The head loss in the pipe is0.02(L/D)V+ Eerhm- 0n-D02m28Detnwhere Lis the length of the pipe from the reservoir tothe point in question,V is the mean velocity in the pipe, andElvation =mL-2000m(2.Dis the diameter of the pipe.The pipe diameter is 20 cm and the rate of flow is 0.06mls,Q3/For the parallel-pipe system ofL-250D-3 inFig. each pipe is cast iron, and thepressure drop p - P:- 3 Ibf/in", Computethe total flow rate between I and 2 if thefluid is SAE 10 oil at 20°C.- 0-2in L-200Q4/In Fig. all pipes are 8-cm-diameter cast iron. Determine the flow ratefrom reservoir (1) if valve Cis (a) closed; and (b) open, with Kyave -0.5.Oz-25 mIZ-0mWaker10m20CL-50mL- 100 mL 0mValve"Q5/For the piping system of Fig.all pipes are concrete with a roughnessof 0.04 inch. Neglecting minor losses,compute the overall pressure drop pi - P2in Ibf/in". The flow rate is 20 ft'/s of waterDinD12 ieD12 iat 20°C.L-1000nD=15 inL 1200For water at 20°C, take p =1.94 slug/ft' and - 2.09E-5 slug/ft-s.Q6/A, B and C three reservoirs have water levels are 300, 250 and 200 m as shown infigure, find the discharge flow in pipes AJ, JB and JC. Take f = 0035 for all pipes.Pipes lengths and diameters are Pipe A 20 Km, 300 mm, Pipe B 10 Km, 220 mm andpipe C7 Km, 200 mm respectively. Also, Za, Zb and Ze are 300, 250 and 180.B

As per authoring guidelines, if the question number is not specified, the first question or three…

QI/ Water flows from the reservoir on the left to the reservoir on the right at a rate of 0.45 mls. The formula for the head losses in the pipes is -Ekevation? A- 0.02 D 2g What elevation in the left reservoir is required to produce this flow? Also carefuly sketch the HGL and the EGL for the system. Note: Assume the head-loss formula can be used for the smaller pipe as wel as for the Eevation 14m D,0.344 m Aa1 m D- 0.486 m 4- 02 m larger pipe.

QI/ Water flows from the reservoir on the left to the reservoir on the right at a rate of 0.45 mls. The formula for the head losses in the pipes is -Ekevation? A- 0.02 D 2g What elevation in the left reservoir is required to produce this flow? Also carefuly sketch the HGL and the EGL for the system. Note: Assume the head-loss formula can be used for the smaller pipe as wel as for the Eevation 14m D,0.344 m Aa1 m D- 0.486 m 4- 02 m larger pipe.

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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Question

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QI/
Water flows from the reservoir on the left to the
reservoir on the right at a rate of 0.45 ms. The formula for
- Ekevation?
the head losses in the pipes is
h - 0.02 L:
D 2g
What elevation in the left reservoir is required to
produce this flow? Also carefully sketch the HGL and the
EGL for the system. Note: Assume the head-loss
formula can be used for the smaller pipe as wel as for the
Elevation
34 m
80 m
90 m
D, =0.344 m
A, -0.1 m
D,= 0.486 m
A- 02 m
larger pipe.
Q2/
A horizontal pipe carries cooling water at 10°C for a
thermal power plant. what is the pressure in the
pipe at L= 2000 m? The head loss in the pipe is
0.02(L/D)V
+ Eerhm- 0n
-D02m
28
Detn
where Lis the length of the pipe from the reservoir to
the point in question,
V is the mean velocity in the pipe, and
Elvation =m
L-2000m
(2.
Dis the diameter of the pipe.
The pipe diameter is 20 cm and the rate of flow is 0.06
mls,
Q3/
For the parallel-pipe system of
L-250
D-3 in
Fig. each pipe is cast iron, and the
pressure drop p - P:- 3 Ibf/in", Compute
the total flow rate between I and 2 if the
fluid is SAE 10 oil at 20°C.
- 0-2in L-200
Q4/
In Fig. all pipes are 8-cm-diameter cast iron. Determine the flow rate
from reservoir (1) if valve Cis (a) closed; and (b) open, with Kyave -0.5.
Oz-25 m
IZ-0m
Waker
10m
20C
L-50m
L- 100 m
L 0m
Valve"
Q5/
For the piping system of Fig.
all pipes are concrete with a roughness
of 0.04 inch. Neglecting minor losses,
compute the overall pressure drop pi - P2
in Ibf/in". The flow rate is 20 ft'/s of water
Din
D12 ie
D12 i
at 20°C.
L-1000n
D=15 in
L 1200
For water at 20°C, take p =
1.94 slug/ft' and - 2.09E-5 slug/ft-s.
Q6/
A, B and C three reservoirs have water levels are 300, 250 and 200 m as shown in
figure, find the discharge flow in pipes AJ, JB and JC. Take f = 0035 for all pipes.
Pipes lengths and diameters are Pipe A 20 Km, 300 mm, Pipe B 10 Km, 220 mm and
pipe C7 Km, 200 mm respectively. Also, Za, Zb and Ze are 300, 250 and 180.
B

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