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

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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 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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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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