1. Finally formed berms in canals are provided for ______.
[A] Protection of banks erosion by the waves
[B] Control of seepage losses
[C] Strengthening of banks
[D] All the above
Answer: Option D
2. The structure constructed to allow drainage water to flow under pressure through an inverted syphon below a canal, is called _____.
[A] Syphon
[B] Super passage
[C] Super-aqueduct
[D] Syphon aqueduct
Answer: Option D
4. For a unique design of a channel by Kennedy’s theory ______.
[A] Its breadth must only be known
[B] Its depth must only be known
[C] Its breadth and depth ratio must only be known
[D] All the above
5. The useful moisture of soil, is equal to its _____.
[A] Field capacity
[B] Difference between filed capacity and permanent wilting point within the root zone of plants
[C] Moisture content at permanent wilting point
[D] Saturation capacity
Answer: Option B