1

:

S.A. Mina din Chiinu

. . _____________

____ ___________ 2014 .

2015 .

.

, .

-.

1,2 -70, 850 3/, -25 250 3/.

:

-5, -5, -6 . , , .

1.

.

.

.

, :

.

, .

2.

: 6 3/.;

-

3. , :

,

: 1 .. = 6,5 3/.; Na / Na = 75 ..; tp / tp= 2,5 .; Vnp :Vnp = S L = 19,5 40 = 780 3

/

/ 60-80 , .

4.

,

: K , K= 1,2d

d = H V 106H H= 0,023 . = 0,39 .V V = 0,02/

= 1800 /3 = 0,0002n n = 30 /3no no = 0,3 /3d = 0,023 0,39 0,02 1800 0,0002 106 = 64,6 /

5. P

,

: = 3,4

I I = 0,0015 3/Cd Cd = 0,5%Co Co = 0,05%

6.

,

: , , = 3,7; , =20,9%;

162,5 3/. .

: f , f = 0,8; , 162,5 3/.

.

,

:Vmin. , Vmin.=0,15 3/;S , S = 30 2f , , f = 0,8;

. .

.

:

,

: ,

= 1,1;Q

, Q=162,5 3/;

:

: RBP

d = 500, RBP= 14 .

-5, -5, -5. :

: = 1,1;n ,

,n= 5; ,

= 1,1;

n ,

n= 3;N ,N= 49;Q Q= 0,15 3/n n= 1;

.

-50 .

: ,

= 10000 3 N N= 265 ;

V V= 3 3

:

: L , L= 2700 ; V ,V= 20 /; t ,t= 5 .

6000

1 -50 0,5 . :

1. : , ;

2. -75: , ;

3. : , ;

4. -40:, ;

5. -16: , ;6. 105: , ;7. -52: , ;

, (3/): 1 / , 5 3/.; 1 / , 63/.

3/. - .

- .

.

: ;.

9N9 = 1, = 0,1; 9 = 130 /; = 10,5 3/.

10 -40 N10 = 1 ., 0,1; 10 = 40 /, = 6,5 3/

, :

8 10 9Q = (N8 8 + N10 10) + (N9 9)= 6,5 (1 0,1 250 + 1 0,1 40) + 10,5 ( 1 0,1 130) = 325 3/. :

,

-5.

:.

.... .

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