Irrigation Engineering
Instantaneous unit hydrograph is a hydrograph of
i) unit duration
ii) unit rainfall excess
iii) infinitely small duration
iv) infinitely small rainfall excess
The correct answer is

(ii) and (iii)
(i)and(iv)
(i) and (ii)
(iii) and (iv)

ANSWER DOWNLOAD EXAMIANS APP

Irrigation Engineering
For designing the venturi head,

Width of the throat should not be less than one-third of the bed width of main canal
All listed here
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

ANSWER DOWNLOAD EXAMIANS APP