Irrigation Engineering
Groynes are generally built

Perpendicular to the bank
Inclined up stream up to 30°
All listed here
Inclined downstream up to 30°

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

ANSWER DOWNLOAD EXAMIANS APP