40
1. .
1.1. . . - - -300 . - V = 30 3. . - -300, , V = 5 3. . t=2800 = 553,2 ().
12. - -300 = 312,9 ∙-1. 22,2533,48S0,34N0,07. t > 1700. - -300 Q = 42257 ∙-1 = 42,257∙106∙-1. t=2800 r = 794 ∙3. t=2800 =2480∙-1∙-1. = 6,12439, = 2240,001, = 167,85.
1.3. t = 2800 = 553,2 () :
lg P = 6,12439 - = 6,12439 - ,
P = 13,26 .
1.4. L (∙-1) (.15) [1] :
L =
2. .
D - - -300, , .
3. m (), , :
m = (V+V)∙r = (30+5) ∙794 = 27790 .
4. m (), , (.14) [1]:
m = 0,02∙ 1543,8 .
5. D r = 30 - - -300 (.14) (.15) [1] :
D = 101 ,
m = .
6. 5 30 , , . 7.3 . 2 [1] - - -300 .
41
1. .
1.1. . - . . V = 3,0 3. . , , V = 0,2 3. . t=1200 = 393,2 ().
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|
1.2. = 62,068 ∙-1. 262. t = 1110. Q = =19329 ∙-1 = 19329∙106 ∙-1. t=1200 r = 987 ∙-3. t=1200 =2820∙ ∙-1∙-1. = 8,13754, = 2753,183, = 252,009. (. , .) [3] t = 370.
1.3. t = 1200 = 393,2 () :
lg P = 8,13754 - ,
P = 5,45 .
1.4. L (.15) [1] :
L = ∙-1.
2. .
D , , .
3. m, , :
m = (V+V)∙r = (3,0+0,2) ∙987 = 3158,4 .
4. m, , (.14) [1]:
m = 0,02∙ .
5. D r = 30 (.14) (.15) [1] :
D = 101 ,
m = .
6. 30 5 , , . 2 [1] .
7. . . 7.2 7.3 [1] .
8. Fq, (.27) [1]:
d = = 24,73 ,
F = F = 0,15∙1000∙(V + V) = 0,15∙1000∙(3+0,2) = 480 2,
= 42∙d∙()0,61 = 42∙24,73∙()0,61 = 25,2 ,
= 0,04 ∙-2∙-1 (. .1 [1]),
∙-3,
h =
S =
B =
A =
= 0,3185∙ =
0,1830,
= =
= 0,3185∙ = 0,3185∙[0,9978-0,7315] = 0,0848,
Fq =
9. t (.34) [1]:
= =0,9877.
10. q (.24) [1]:
q = Ef∙Fq∙t = 19∙0,2017∙0,9877 = 3,78 ∙-2,
Ef = 19 ∙-2 (. .1 [1] ).
11. 4 ∙-2 30 , , .7.3 . 2 [1] , , .