Q2/If Imm/hr = 901-0.45 min dn = 60 mm, Wind speed = 5 Kph,Possible time of operation = 3, 5, 7, 10, 15, 23 hrs.,Single nozzle characteristics are as shown in Table Pressur Nozzle Diameter, mm e 2.8 3.2 3.6 atm 4.0 4.4 4.8 D q (m³ D (m) q(m² D (m) /hr) 9(m³ D a (m³ D 9 (m³ D (m) (m³ hr (m) Thr (m) /hr (m) Лаг /hr 2.38 23.2 0.47 23.5 0.6 23.8 0.76 | I - 2.72 23.5 0.5 23.8 0.65 24.1 0.82 24.4 1.0 24.4 1.21 3.06 23.8 0.53 24.1 0.69 24.4 0.87 24.7 1.06 24.7 1.28 25 25 1.51 3.4 24.1 0.55 24.4 0.73 24.7 0.91 25 25 1.12 25 25 1.35 25.3 1.6 3.74 24.1 0.59 24.4 0.77 24.7 0.96 25 1.18 25 25 1.42 - If the irrigation efficiency = 68%, find: 1. Discharge of sprinkler q 3. Application Rate 2. Spacing Slx Sm 4.Application time ta Use trials: (9×12)m, (9×15)m, (9×18)m 5.Diameter of orifice (Nozzle)
Q2/If Imm/hr = 901-0.45 min dn = 60 mm, Wind speed = 5 Kph,Possible time of operation = 3, 5, 7, 10, 15, 23 hrs.,Single nozzle characteristics are as shown in Table Pressur Nozzle Diameter, mm e 2.8 3.2 3.6 atm 4.0 4.4 4.8 D q (m³ D (m) q(m² D (m) /hr) 9(m³ D a (m³ D 9 (m³ D (m) (m³ hr (m) Thr (m) /hr (m) Лаг /hr 2.38 23.2 0.47 23.5 0.6 23.8 0.76 | I - 2.72 23.5 0.5 23.8 0.65 24.1 0.82 24.4 1.0 24.4 1.21 3.06 23.8 0.53 24.1 0.69 24.4 0.87 24.7 1.06 24.7 1.28 25 25 1.51 3.4 24.1 0.55 24.4 0.73 24.7 0.91 25 25 1.12 25 25 1.35 25.3 1.6 3.74 24.1 0.59 24.4 0.77 24.7 0.96 25 1.18 25 25 1.42 - If the irrigation efficiency = 68%, find: 1. Discharge of sprinkler q 3. Application Rate 2. Spacing Slx Sm 4.Application time ta Use trials: (9×12)m, (9×15)m, (9×18)m 5.Diameter of orifice (Nozzle)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Q2/If Imm/hr
=
901-0.45
min dn = 60 mm, Wind speed = 5 Kph,Possible time of
operation = 3, 5, 7, 10, 15, 23 hrs.,Single nozzle characteristics are as shown in Table
Pressur
Nozzle Diameter, mm
e
2.8
3.2
3.6
atm
4.0
4.4
4.8
D
q (m³
D (m)
q(m²
D
(m)
/hr)
9(m³ D
a (m³
D
9 (m³
D (m) (m³
hr
(m)
Thr
(m)
/hr (m)
Лаг
/hr
2.38
23.2
0.47
23.5
0.6
23.8
0.76
|
I
-
2.72
23.5
0.5
23.8
0.65
24.1
0.82 24.4
1.0
24.4
1.21
3.06
23.8
0.53
24.1
0.69
24.4
0.87 24.7
1.06 24.7 1.28
25
25
1.51
3.4
24.1
0.55
24.4
0.73
24.7
0.91
25
25
1.12
25
25
1.35
25.3 1.6
3.74
24.1
0.59
24.4 0.77 24.7
0.96 25
1.18
25
25
1.42
-
If the irrigation efficiency = 68%, find:
1. Discharge of sprinkler q
3. Application Rate
2. Spacing Slx Sm
4.Application time ta
Use trials: (9×12)m, (9×15)m, (9×18)m
5.Diameter of orifice (Nozzle)
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