Irrigation Engineering
For the design of major hydraulic structures on the canals, the method generally preferred to, is based on

Electrical analogy method
Bligh's theory
Khosla's method of independent variables
The relaxation method

ANSWER DOWNLOAD EXAMIANS APP

Irrigation Engineering
For designing the venturi head,

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

ANSWER DOWNLOAD EXAMIANS APP

Irrigation Engineering
Effective precipitation for a crop may be defined as

Total precipitation minus the loss due to infiltration
Total precipitation minus the loss due to evaporation
Total precipitation during the crop period
Available water stored in soil within root zone of the crop

ANSWER DOWNLOAD EXAMIANS APP