Irrigation Engineering
The length and width of a meander and also the width of the river, vary roughly as

Discharge
Square root of the discharge
Square of the discharge
Cube of the discharge

ANSWER DOWNLOAD EXAMIANS APP

Irrigation Engineering
For designing the venturi head,

Length of the throat should be 2.5 times the depth measured to F.S.L. in the main canal
Minimum throat width should not be less than 60 cm
All listed here
Width of the throat should not be less than one-third of the bed width of main canal

ANSWER DOWNLOAD EXAMIANS APP