A. lower level
B. higher level
C. same level
D. any of the above depending on the design
Irrigation, Water Resources Engineering and Hydrology
Irrigation, Water Resources Engineering and Hydrology
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. 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
A. uniform
B. subcritical
C. critical
D. super critical
A. ogee spillway
B. chute spillway
C. side channel spillway
D. shaft spillway
A. rock toe
B. horizontal blanket
C. impervious cut off
D. chimney drain
A. clay
B. coarse sand
C. silty clay
D. clay mixed with fine sand
A. 0.5 hw
B. 0.75 hw
C. 1.25 hw
D. 1.50 hw
where hw is height of wave
A. at the toe
B. at the heel
C. within the middle third of base
D. at centre of base
A. 3H/47I above the base
B. 3H747t below the water surface
C. 4H/371 above the base
D. 4H737t below the water surface where H is the depth of water