:
: .-III
..
:
..
-
2012.
.
:
:
() - ;
() - ;
() ;
-
- 1600 /; - 10 - 15 % - 2 - 5 %
- 45
0,1 2/
5
1. .
1.1. 10 15
= + 2*3 =;
= + 2*3 =.
:
Fcp. = (+2*10)(+2*10) =;
:
Vcp. = Fcp. * 0,2 =;
Vkot = (/6) * (*+*+(+)(+) =
=;
:
V = (2/6) * ( + 2m*(m- m)/m')* (m-m) =
=,
- ;
m' - = 10;
m - = 2,2.
.
V. . = F * h ,
h = 0,2 ( 2 ).
V. . . = **0,2 =.
1.4. :
V. = (V. + V. - V.)/(1+..),
V =;
V. =;
V.= (-2*1)*(-2*1)* =,
..= 5% -
V. =.
1.5. :
F. = V./h .,
h . = 0,5
F. =.
V. = V.*(1+),
= 0,3
V. =.
F. = V. / L.,
L. = (+)*2 =
F. =.
1.8. :
h . = h . - 0,5, h . = 2
h . =.
| 3 | ||
| 3 | ||
| 3 | ||
| 3 | ||
| 2 | ||
| () | 3 |
1.9. :
Qnp. = F * * ,
-
= 0,16 ( )
Qnp. =
N = (F + Fotkocob)*A/h,
= 300 /
N = ((*) + (*) - (*))*0,1/300 =.
N =
. 1,2: V = =
.
|
|
|
- .
4. -42 2,5
5. :
tn + (2* L* 60) /Vcc+tm + tp
N =--------------------------------------------,
tn + tm
tn = 6 ,
L = - ;
Vcp = 35 / - ;
tm = 3 - ;
tp = 2 - .
N =--------------------------- --------------------- =.
6.
7. .
| - - | .. | -, V | , | - / | - | |||
| / | / | |||||||
| 2-1-5 | 1000 2 | - | ||||||
| 2-1-9 | 100 | - | ||||||
| 2-1-5 | 100 | - | ||||||
| 2-1-34 | 100 | - | ||||||
| 21-3 | 100 2 | - |
8. .
| () | |||
| -42 | 1 | -2,56 | |
| -400-05 | 1 | -2 | |
| 551605- 271 | 3 | 20 - 12,5 | |
| BW80AD-2 | 1 | - 80 ; : , -60-110/; - 42-85 /; , - 33-65 / | |
| 1 | - 300 / |
9.
| . | - | -, Q | -, | |||
| 1000 2 | - | |||||
| 100 | - | |||||
| 100 | - | |||||
| - | ||||||
| 100 | - | |||||
| 100 2 | - |
10.
|
|
|
