A. 0.5 hw
B. 0.75 hw
C. 1.25 hw
D. 1.50 hw
where hw is height of wave
A. silting river
B. scouring river
C. both silting and scouring river
D. neither silting nor scouring river
A. submerged pipe outlet
B. Kennedy’s gauge outlet
C. Gibb’s outlet
D. none of the above
A. when the permanent wilting point is reached
B. when gravity drainage has ceased
C. capillary fringe reaches the root zone of plants
D. none of the above
A. flat water surface
B. convex water surface
C. concave water surface
D. independent of shape of water surface
A. control the silt entry in the canal
B. prevent river floods from entering the canal
C. separate the undersluices from weir proper
D. provide smooth flow at sufficiently low velocity
A. 0.5 m
B. 1.5 m
C. 3.5 m
D. 5.0 m