Irrigation Engineering
In case of a trapezoidal notch fall

All listed here
Splay downstream from the notch section is 22½°
Splay upstream from the notch section is 45°
Top length of the piers should not be less than their thickness

ANSWER DOWNLOAD EXAMIANS APP

Irrigation Engineering
Lacy's regime condition is obtained if

Silt charge in the channel is variable
Silt grade in the channel is variable
Channel flows in unlimited, incoherent alluvium of the same character as that transported material
Discharge in the channel is variable

ANSWER DOWNLOAD EXAMIANS APP