(. 4.3) Z = 2,00 , , h = 1,30 , 1,30 - 0,70 = 0,60 .
(. .5.1). 0,60 .
l = 1,74 /() l = 2,32 /()
l = (1,74 + 2,32)/2 = 2,03 /()
4. (4.6)
= 0,05: 1,40 + 0,15: 1,25 + 0,30: 1,28 + 0,20: 2,03 = 0,48 (2×/).
5. . 4.5 , - V. . 4.9 V = 1,35.
h = 1,30 = 0,7 . . 4.10 h = 1,3 h() 0-100 = 0,72.
6. l/(×) = 4/(1,35×0,72) = 4,12 .
7. . 4.6 R = 0,91 2 /.
8. . 4.7 = 0,90. . 4.10 = 1,0; d = 0,95.
9. (4.8) R() = R×××d = 0,91×0,90×1,0×0,95 = 0,78 (2 /);
10. (4.6) h = (R() - R())×l = (0,78 - 0,48)×2,03 = 0,61 .
h 5 . h = 0,60 .
7.
. . , .
.
1. . 4 R() = 0,48 2 /.
2. . 4.11 = 1,5.
h = 0,70 1,3 .
3. h() 0-50 . 4.10 h = 0,50 h = 1,0 = 0,81.
4. l/× = 4:(1,5×0,81) = 3,3. = 1,3 . 4.5 h() = 82 .
5. h() 0-50, . 4.10 h() = 0-1,0 h = 0,70 = 0,78. . 4.6 R = 0,86 . 8 . 9 .
R() = 0,86×0,90×1,0×0,95 = 0,74 2 /.
6. . 4.7 R() = 0,74 2 / R() = 0,47 2 / h = 1,5 . , 3 .
8
1. III .
|
|
2. 1,5 , , - 1,10 .
3. 0,50 , = 2,1 /, n = 0,32.
4. - III.
5. - .
6. i = 0,03.
.
.
1. , .
. 5.3 II 3- q = 3,5 /2 . . 5.4. = 1,6; = 1,0. , , = 1; = 1.
2. (5.2) qp = q×K×:1000 = 3,5×1,6×1,0:1000 = 0,0056 3/2.
3. . 5.1.
q¢ = qpB/2 =0,0056×7:2 = 0,0196 3/2;
q¢/ = 0,0196:2,1 = 0,0093;
qp/ 3,5h/L = 0,07,
L - , - ; L = /2 + +d;
- ;
- ;
d - , , , ;
L = 7/2 + 2,5 + (0,79 + 0,60/2)×1,5 = 9,6 ;
h = 0,19 .
h = ha + hc = 0,20 + 0,19 = 0,39 .
4. (5.4). . 5.6 j = 0,45; = 6 .
hp = (qp×/n + 0,3h):(1 - j) = (0,0056×6:0,27 + 0,3×0,20):(1 - 0,5) = 0,3 .
.
9.
.
1. III .
2. 1,5 , - 0,79 .
3. 0,60 , = 1,2 /, n = 0,34.
4. - III.
5. - .
6. i = 0,03.
.
.
.
1. .. 1-3 q = 0,0056 3/2
q¢ = qpB/2 =0,0056×7:2 = 0,0196 3/2;
q¢/ = 0,0196:2,1 = 0,0093;
2. . 5.1 3,5h/L = 0,28; L = 9,6 (. . 3 ), h = 0,77
h = ha + hc = 0,20 + 0,77 = 0,97 .
, . , . L = /2 + /2 = 4,75 .
3. . 5.4 qp/ = 0,0056/1,2 = 0,0047 2 h: L = 5,0 L = 3,5 . h = 0,40 .
4. (5.4). . 5.6 j = 0,4; = 6 .
|
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hp = (qp×/n + 0,3h):(1 - j) = (0,0056×6:0,27 + 0,3×0,20):(1 - 0,4) = 0,31 .
.
10
1. III .
2. 1,5 , - 0,70 .
3. 0,70 , = 0,49 /, n = 0,28.
4. - III.
5. - .
6. i = 0,03.
.
, , .
. 5.6 n = 0,28 j = 0,55.
. 5.3 II - 3- Qp = 60 /2. 5.3:
h = (Qp/1000n + 0,3h):(1 - j) = [60:(1000×0,28) + 0,3×0,15]:(1 - 0,55) = 0,58 .
.
11
.
1. III .
2. 1,5 , () - 1,10 .
3.
h, | |
0,04 | |
0,08 | |
0,14 | |
-- | 0,26 |
0,70 |
4. - .
5. - .
6. - III.
,
.2.1
Wp = ( + D1 - D2 )(1 + 0,1t) - D3
. .2.1 II - , 3- = 0,72.
. .2.2 D1 = 0.
. .2.3 D2 = 0,09 ( -- - 0,04 - 0,05).
. .2.1 D3 = 0,003.
. .4.2 0,95 t = 1,71.
Wp = (0,72 - 0,09)(1 + 1,71) - 0,003 = 0,699 0,7 ( W).
.
12
II .
- .
100 .
- 120 .
= 5 2/.
Wo = 0,12, W = 0,18, r = 1,66 /2.
, , 60 .
Woccp, Weccp h.
.
1. . .7.2 t = 1440 ., tp = 182 , s = 26,21.
2. (.7.6) :
F = ×t/h2 = 5×1440/1202 = 0,50.
3. h = h/h. (.7.7) h = 160 - 60 = 100 . h = 100/120 = 0,83.
4. . .7.2 DW = 0,73.
5. (.7.5) D = 2,68, W = 1/1,66 - 1/2,68 = 0,23.
6. (.7.4) Woccp = 0,12 + 0,73×(0,23 - 0,12) = 0,20.
7. (.7.12)
|
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a = 1,24 + 0,72×lns - 0,05×hs = 1,24 + 0,72×ln 26,21 = 3,59.
8. (.7.9), Z:
Z = 3,59/(2× ) = 0,80
9. . .7.3. = 1,50.
10. . .7.1 Wh = 0,09 W = 0,06.
11. (.7.8) Weccp = 0,09 + (0,20 - 0,09)×1,50 = 0,26.
12. (.7.15) - hp:
h = a× .
h > h, .7.1. hp = 130 .
13. (.7.14) h.
14. h = 130×(1,66/1,0)×[1,09×(0,26 - 0,06)×(0,23 - 0,06)] = 10,4 .
(4 ), 8 .
, .
3. h = 160 - (60 + 8) = 92 , h = 92/120 = 0,77.
4. . .7.2 DW = 0,72.
6. Woccp = 0,12 + 0,72×(0,23 - 0,12) = 0,20.
7. (.7.12)
a = 1,24 + 0,72 lns - 0,05×8 = 3,19.
8. (.7.9), Z:
Z = 3,19/(2× ) = 0,71
9. . .7.3 = 1,57.
11. (.7.8) Wccp = 0,09 + (0,20 - 0,09)×1,57 = 0,26.
12. (.7.16) h:
h = 151 - (13,93 - 0,0067×26,21)×8 = 41 .
13. (.7.14) h:
h = 41×(1,66/1,0)×[1,09×(0,26 - 0,6) - (0,23 - 0,6)] = 3,3 .
.
9