Practice Practical Application And Example (39.7) - Duty and Delta - Hydrology & Water Resources Engineering

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6 sample questions

Question 1.
Define Duty in the context of irrigation.
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Think about what area and discharge mean in irrigation.
Question 2.
What does Delta represent?
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Consider the water needs of crops over time.
3Question 3.
What does Duty measure?
- Total volume of water
- Area that can be irrigated per unit discharge
- Crop yield
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Focus on the meanings of the terms used in irrigation.
4Question 4.
True or False: Delta represents water depth required over the entire growth period of a crop.
- True
- False
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Consider the stages of crop growth and their water needs.
Question 5.
A new irrigation project plans to use 12 cumecs to irrigate 40,000 hectares. Calculate the expected Duty and if the base period lasts 140 days, find Delta.
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Use the formulas D = A/Q for Duty and Δ = 8.64 × B / D for Delta.
Question 6.
Considering the implications of soil type on Duty, how would sandy soil compared to clay soil affect Duty and water management strategies?
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Think about how soil composition changes water retention and loss.

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