Irrigation Engineering Practice Test 2

1. Determine the field capacity, when the unit weight of water is 9.8 KN/m³, and volume of water stored in unit area of soil is 28 m³, the dry unit weight of soil is 18 KN/m³, and the depth of root zone of the plant is 7 m.

2. The number of hectares irrigable per cumec of the canal capacity at its head is known as ____________

3. Canal irrigation is generally preferred in __________

4. Which type of moisture acts as a bridge between soil moisture content and field capacity?

5. According to Etcheverry and Harding, the range of conveyance loss is highest in which soil?

6. Based on loose chemical bonds, what is the name of the part of field capacity water?

7. In case of high demand but insufficient supplies, all the smaller channels are made to run simultaneously and continuously with reduced supplies.

8. What is Gross Cropped Area?

9. Inflow and Outflow method is generally used to measure ____________

10. Which one is the correct expression for Shield’s entrainment function?