A. a low head scheme
B. a medium head scheme
C. a high head scheme
D. none of the above
A. velocity of flow of water
B. depth of flow of water
C. discharge
D. none of the above
A. rock toe
B. horizontal blanket
C. impervious cut off
D. chimney drain
A. non-modular outlet
B. flexible outlet
C. rigid module
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. design speed
B. rated speed
C. gross speed
D. operating speed
A. B/2
B. B/3
C. B/4
D. B/6