Steering ratio

          A round   Of  sector  Shaft Or  Cross shaft 

For to complete of steering wheel   As much as round rotated   His steering  ratio is says

at the smoll car this steering retio

10:1to22:1 Till stay

and in  big vehicle  as The truck 

and  in  big vehicle  the steering ratio 

24:1 To 32: 1 Till remains    

Be steering retio more   

 As much as steering work  Remains light 

 in worm and roller type steering gear box chang  retio can be seen  in chang  retio steering 

this steering stay fault