River training for depth is achieved by_______________?

A. drainage filters
B. relief wells
C. drain trenches
D. provision of downstream berms

A. cubic metre/sec
B. metre/sec
C. cubic metre
D. square metre

A. shorter duration from longer duration
B. longer duration from shorter duration
C. both (A) and (B)
D. none of the above

A. B/2
B. B/3
C. B/4
D. B/6

A. pointing upstream
B. pointing downstream
C. perpendicular to bank
D. parallel to bank

A. design head
B. rated head
C. gross head
D. operating head