FROM THE ATTACHED SKETCH, THE GIVEN DATA ARE AS FOLLOWS: a. Reservoir tank=50,000 liters of water b. Total Static head is 30 ft. c. Pipe material is plastic and 1.5-inch diameter. d. There are four 90-degree elbows, one gate valve and one open swing valve. e. Total pipe length is 50 ft. COMPUTE THE FOLLOWING USING THE PROVIDED TABLE BELOW. 1. IF THE TANK IS TO BE FILLED WITHIN 661.35 MINUTES WHEN EMPTY, COMPUTE HOW MANY GALOONS PER MINUTE (GPM) PUMP CAPACITY IS NEEDED TO FILL UP THIS TANK., USE 3.78 LITERS/GAL 2. COMPUTE THE TOTAL DYNAMIC HEAD (TDH) IN FEET. 3. SOLVE FOR WATER HORSEPOWER (WHP) 4. COMPUTE FOR PUMP MOTOR HORSEPOWER @ 70% EFFICIENCY

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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FROM THE ATTACHED SKETCH, THE GIVEN DATA ARE AS
FOLLOWS:
Pressure loss due to friction
a. Reservoir tank =50,000 liters of water
b. Total Static head is 30 ft.
Pressure loss in plastic pipes (feet of water per 100 ft of tube)
c. Pipe material is plastic and 1.5-inch diameter.
d. There are four 90-degree elbows, one gate valve and one open swing
spm 0.5 in. 0.75 in. 1 in. 1.5 in. 2 in. 3 in.
1.4
4.8
0.0 0.0
0.0
0.4
0.1
0.4
0.8
1.3
1.9
2.7
0,0
0.0
valve.
0.0
1.2
2.5
4.2
6.3
8.8
15.2
26.0
49.7
86.9
e. Total pipe length is 50 ft.
3
0.0
10.0
17.1
25.8
36.3
63.7
97.5
0.0
0.1
0.2
0.2
0.3
4.
0.0
0.0
5
0.0
0.0
0.0
0,0
0.0
6
0.1
0.2
0.3
0.5
0.9 0.1
COMPUTE THE FOLLOWING USING THE PROVIDED TABLE BELOW.
8
4.6
0.6
10
15
20
6.9
14.6
0.8
1.7
2.9
0.0
25.1
1. IF THE TANK IS TO BE FILLED WITHIN 661.35 MINUTES WHEN
EMPTY, COMPUTE HOW MANY GALOONS PER MINUTE (GPM) PUMP
CAPACITY IS NEEDED TO FILL UP THIS TANK., USE 3.78 LITERS/GAL
Pressure loss in valves and elbows (expressed in equivalent length of tube)
2. COMPUTE THE TOTAL DYNAMIC HEAD (TDH) IN FEET.
Fitting
0.5 in. 0.75 in. Iin. 15 in. 2 in. 3 in.
3. SOLVE FOR WATER HORSEPOWER (WHP)
90-degree el
45-degree ell
Long sweep ell
Close return bend
Tee-straight run
Tee-side inlet or outlet
Globe valve, open
Gate valve, open
Check valve, swing
1.5
2.0
2.7
43
5.5
8.0
4. COMPUTE FOR PUMP MOTOR HORSEPOWER @ 70% EFFICIENCY
0.8
1.0
3.6
1.0
14
5.0
2.0
4.5
13
1.7
6.0
2.0
5.7
20
2.7
10.0
3.0
9.0
25
3.8
35
52
13.0 18.0
1.0
3.3
17.0
4.0
12.0 17.0
55.0 82.0
12
27.0
22.0
0.5
5.0
43.0
1.0
11.0
0.6
04
4.0
1.7
13.0 20.0
7.0
TANK-S0.CO0UTERS CAPACITY
ACFT HIGH
"Units are feet of pipe for various nominal pipe diameters.
PU MOHOR
Fout valve
SKETCH DIAGRAM
İN
Transcribed Image Text:FROM THE ATTACHED SKETCH, THE GIVEN DATA ARE AS FOLLOWS: Pressure loss due to friction a. Reservoir tank =50,000 liters of water b. Total Static head is 30 ft. Pressure loss in plastic pipes (feet of water per 100 ft of tube) c. Pipe material is plastic and 1.5-inch diameter. d. There are four 90-degree elbows, one gate valve and one open swing spm 0.5 in. 0.75 in. 1 in. 1.5 in. 2 in. 3 in. 1.4 4.8 0.0 0.0 0.0 0.4 0.1 0.4 0.8 1.3 1.9 2.7 0,0 0.0 valve. 0.0 1.2 2.5 4.2 6.3 8.8 15.2 26.0 49.7 86.9 e. Total pipe length is 50 ft. 3 0.0 10.0 17.1 25.8 36.3 63.7 97.5 0.0 0.1 0.2 0.2 0.3 4. 0.0 0.0 5 0.0 0.0 0.0 0,0 0.0 6 0.1 0.2 0.3 0.5 0.9 0.1 COMPUTE THE FOLLOWING USING THE PROVIDED TABLE BELOW. 8 4.6 0.6 10 15 20 6.9 14.6 0.8 1.7 2.9 0.0 25.1 1. IF THE TANK IS TO BE FILLED WITHIN 661.35 MINUTES WHEN EMPTY, COMPUTE HOW MANY GALOONS PER MINUTE (GPM) PUMP CAPACITY IS NEEDED TO FILL UP THIS TANK., USE 3.78 LITERS/GAL Pressure loss in valves and elbows (expressed in equivalent length of tube) 2. COMPUTE THE TOTAL DYNAMIC HEAD (TDH) IN FEET. Fitting 0.5 in. 0.75 in. Iin. 15 in. 2 in. 3 in. 3. SOLVE FOR WATER HORSEPOWER (WHP) 90-degree el 45-degree ell Long sweep ell Close return bend Tee-straight run Tee-side inlet or outlet Globe valve, open Gate valve, open Check valve, swing 1.5 2.0 2.7 43 5.5 8.0 4. COMPUTE FOR PUMP MOTOR HORSEPOWER @ 70% EFFICIENCY 0.8 1.0 3.6 1.0 14 5.0 2.0 4.5 13 1.7 6.0 2.0 5.7 20 2.7 10.0 3.0 9.0 25 3.8 35 52 13.0 18.0 1.0 3.3 17.0 4.0 12.0 17.0 55.0 82.0 12 27.0 22.0 0.5 5.0 43.0 1.0 11.0 0.6 04 4.0 1.7 13.0 20.0 7.0 TANK-S0.CO0UTERS CAPACITY ACFT HIGH "Units are feet of pipe for various nominal pipe diameters. PU MOHOR Fout valve SKETCH DIAGRAM İN
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