Irrigation Engineering
The peak of a 4 hour flood hydrograph is 240 m3/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3/sec, then the peak of 4-hours unit hydrograph will be

30 m3/sec
20 m3/sec
25 m3/sec
35 m3/sec

ANSWER DOWNLOAD EXAMIANS APP

Irrigation Engineering
For designing the venturi head,

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

ANSWER DOWNLOAD EXAMIANS APP