..

,

-

1

2

3

4

5

I.

 

 

= 12

= 6

3 %

= 100

i . = 40 %

h = 0.5 ¸ 1.5

V . = 30 /

N = 300 ./

 

II. 

 

6.5

= 10

= 6

. 10%

h = 0.5 ¸ 0.75

6

V . = 25 /

N = 240 ./

 

III.

 

10

l = 30 , = 6 ,

= 60