A. it ensures less length of the weir
B. it gives better discharging capacity
C. it is economical
D. all of the above
Related Mcqs:
- As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at_____________?
A. lower level
B. higher level
C. same level
D. any of the above depending on the design - A river training work is generally required when the river is_______________?
A. aggrading type
B. degrading type
C. meandering type
D. both (A) and (B) - The flow of water after spilling over the weir crest in chute spillway and side channel spillway respectively are_________________?
A. at right angle and parallel to weir crest
B. parallel and at right angle to weir crest
C. parallel to weir crest in both
D. at right angle to weir crest in both - If there are two canals taking off from each flank of a river, then there will be____________________?
A. one divide wall and one undersluice
B. one divide wall and two undersluices
C. two divide walls and one undersluice
D. two divide walls and two undersluices - An aggrading river is a_________________?
A. silting river
B. scouring river
C. both silting and scouring river
D. neither silting nor scouring river - River training for depth is achieved by_______________?
A. groynes
B. construction of dykes or leavees
C. both (A) and (B)
D. groynes and bandalling - A river bend characterized by silting_______________?
A. scouring on concave side
B. silting on convex side
C. scouring on convex side and on concave side
D. scouring on concave side and silting on convex side - A runoff river plant is____________?
A. a low head scheme
B. a medium head scheme
C. a high head scheme
D. none of the above - A runoff river plant_________________?
A. is a medium head scheme
B. generates power during peak hours only
C. is suitable only on a perennial river
D. has no pondage at all - Tortuosity of a meandering river is the ratio of__________________?
A. meander belt to meander length
B. meander length to meander belt
C. curved length along the channel to the direct axial length of the river reach
D. direct axial length of the river reach to curved length along the channel
