when ever a sloping face of river bank is protected by stone pitching against scour, the pitching is extended beyond the toe to the river side that is called__________________?
A. Toe wall
B. Launching apron
C. Protective wall
D. Guide bank
A. Toe wall
B. Launching apron
C. Protective wall
D. Guide bank
A. Attracting
B. Repelling
C. Impermeable
D. Permeable
The groyne pointing upwards direction of flow is called ______________________? Read More »
Water Management A. Non-gravity weir
B. Gravity weir
C. Sharp crested weir
D. Rectangular weir
A. Pond level
B. HFL
C. Afflux
D. FSL
A. Under sluices
B. Head sluices
C. Scouring sluices
D. Sluice gates
Silt free water should be supplied to the canals through______________________? Read More »
Water Management A. Divide wall
B. Retaining wall
C. Toe wall
D. All are correct
A. 2.0 – 2.5 – m/sec
B. 2.5 – 3 m/sec
C. 3.0 – 3.5 m/sec
D. 3.5 – 4.0 m/sec
A. Retaining wall
B. Divide wall
C. Breast wall
D. Cantilever wall
A. Silt excluders
B. Silt ejectors
C. Vortex pipes
D. Silt control structures
A. Afflux
B. Final depth
C. Sequent depth
D. Down stream water depth