A. silting river
B. scouring river
C. both silting and scouring river
D. neither silting nor scouring river
A. at right angle to the axis of weir
B. parallel to the axis of weir and up-stream of it
C. parallel to the axis of weir and down-stream of it
D. at an inclination to the axis of weir
A. water pressure
B. wave pressure
C. self-weight of dam
D. uplift pressure
A. aqueduct
B. superpassage
C. syphon
D. syphon aqueduct
A. depends on depth of approach and upstream slope
B. depends on downstream apron interference and downstream submergence
C. remains constant
D. both (A) and (B)
A. flood control
B. to provide sufficient depth of water in navigable channels, during low water periods
C. to preserve the channel in good shape by efficient disposal of suspended and bed load
D. all of the above
A. submerged pipe outlet
B. Kennedy’s gauge outlet
C. Gibb’s outlet
D. none of the above