Water at T = 25° C is drawn from an underground detention tank and discharged into a drain using a 4-m-long pipe and pump (Figure 1). The pipe has a diameter of 100 mm and a friction factor of f = 0.02. The atmospheric pressure is 101.3 kPa. The velocity through the pipe is 4 m/s and h = 3 m. Neglect minor losses. Figure B 1 of 1 Head (ft) 175 6-in. dia. 65% 70% 75% 80% wo = 1750 rpm 150 5.5-in. dia. C -86%- 80% A 75% 125 70% 5-in. dia. 100 -65%- 25 bhp 75 20 bhp 50 10 bhp 18 bhp 25 100 200 300 337 400 470 500 Flow Q (gal/min) 600 700 800 Determine the required NPSH. Use the pump performance curves shown above. Express your answer using two significant figures. ΜΕ ΑΣΦ. Η vec (NPSH) req'd = Submit Request Answer Part C Complete previous part(s) Provide Feedback ? m Water at T = 25° C is drawn from an underground detention tank and discharged into a drain using a 4-m-long pipe and pump (Figure 1). The pipe has a diameter of 100 mm and a friction factor of f = 0.02. The atmospheric pressure is 101.3 kPa. The velocity through the pipe is 4 m/s and h = 3 m. Neglect minor losses. Figure B Determine the available NPSH. Express your answer using three significant figures. (NPSH) A Avail = ΜΕ ΑΣΦ vec Submit Request Answer 1 of 1 Part B Head (ft) B D 65% 70% 2228283 175 6-in. dia. 75% 80% wo = 1750 rpm 150 -5.5-in. dia. C -86% 80% A 75% 125 100 5-in. dia. 70% -65%- 25 bhp 75 50 25 20 bhp 18 bhp 10 bhp (NPSH) req'd ? m
Water at T = 25° C is drawn from an underground detention tank and discharged into a drain using a 4-m-long pipe and pump (Figure 1). The pipe has a diameter of 100 mm and a friction factor of f = 0.02. The atmospheric pressure is 101.3 kPa. The velocity through the pipe is 4 m/s and h = 3 m. Neglect minor losses. Figure B 1 of 1 Head (ft) 175 6-in. dia. 65% 70% 75% 80% wo = 1750 rpm 150 5.5-in. dia. C -86%- 80% A 75% 125 70% 5-in. dia. 100 -65%- 25 bhp 75 20 bhp 50 10 bhp 18 bhp 25 100 200 300 337 400 470 500 Flow Q (gal/min) 600 700 800 Determine the required NPSH. Use the pump performance curves shown above. Express your answer using two significant figures. ΜΕ ΑΣΦ. Η vec (NPSH) req'd = Submit Request Answer Part C Complete previous part(s) Provide Feedback ? m Water at T = 25° C is drawn from an underground detention tank and discharged into a drain using a 4-m-long pipe and pump (Figure 1). The pipe has a diameter of 100 mm and a friction factor of f = 0.02. The atmospheric pressure is 101.3 kPa. The velocity through the pipe is 4 m/s and h = 3 m. Neglect minor losses. Figure B Determine the available NPSH. Express your answer using three significant figures. (NPSH) A Avail = ΜΕ ΑΣΦ vec Submit Request Answer 1 of 1 Part B Head (ft) B D 65% 70% 2228283 175 6-in. dia. 75% 80% wo = 1750 rpm 150 -5.5-in. dia. C -86% 80% A 75% 125 100 5-in. dia. 70% -65%- 25 bhp 75 50 25 20 bhp 18 bhp 10 bhp (NPSH) req'd ? m
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text:Water at T = 25° C is drawn from an underground
detention tank and discharged into a drain using a
4-m-long pipe and pump (Figure 1). The pipe has a
diameter of 100 mm and a friction factor of f = 0.02.
The atmospheric pressure is 101.3 kPa. The velocity
through the pipe is 4 m/s and h = 3 m. Neglect minor
losses.
Figure
B
1 of 1
Head (ft)
175 6-in. dia.
65% 70%
75%
80%
wo = 1750 rpm
150 5.5-in. dia.
C
-86%- 80%
A
75%
125
70%
5-in. dia.
100
-65%-
25 bhp
75
20 bhp
50
10 bhp
18 bhp
25
100 200
300 337 400 470 500
Flow Q (gal/min)
600
700
800
Determine the required NPSH. Use the pump performance curves shown above.
Express your answer using two significant figures.
ΜΕ ΑΣΦ. Η
vec
(NPSH) req'd =
Submit
Request Answer
Part C Complete previous part(s)
Provide Feedback
?
m
Transcribed Image Text:Water at T = 25° C is drawn from an underground
detention tank and discharged into a drain using a
4-m-long pipe and pump (Figure 1). The pipe has a
diameter of 100 mm and a friction factor of f = 0.02.
The atmospheric pressure is 101.3 kPa. The velocity
through the pipe is 4 m/s and h = 3 m. Neglect minor
losses.
Figure
B
Determine the available NPSH.
Express your answer using three significant figures.
(NPSH) A
Avail =
ΜΕ ΑΣΦ
vec
Submit
Request Answer
1 of 1
Part B
Head (ft)
B
D
65% 70%
2228283
175 6-in. dia.
75%
80%
wo = 1750 rpm
150 -5.5-in. dia.
C
-86%
80%
A
75%
125
100
5-in. dia.
70%
-65%-
25 bhp
75
50
25
20 bhp
18 bhp
10 bhp
(NPSH) req'd
?
m
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