4.1. Classification

Try these first

1. 1.

   What is a branch canal?

   Hint

   Think of it as a smaller canal branching off a larger one.

2. 2.

   Name one type of canal that delivers water directly to fields.

   Hint

   Consider who maintains these channels.

3. 3.

   What type of canal carries the entire system's water from the headworks?

   • Main Canal
   • Branch Canal
   • Distributary Canal

   Hint

   It's the largest canal in the system.

4. 4.

   True or False: A branch canal directly irrigates fields.

   • True
   • False

   Hint

   Remember its role in the canal system.

5. 5.

   If a distributary canal has a capacity of 3 cumec but experiences a 30% seepage loss, what is the effective discharge to the irrigated fields?

   Hint

   Calculate the loss from the given capacity.

6. 6.

   Design a simple canal alignment for a flat terrain that minimizes irrigation loss. What methods would you use?

   Hint

   Consider natural land features in your design.