Practice Duty (d) (39.2) - Duty and Delta - Hydrology & Water Resources Engineering

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8 questions

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4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the formula for Duty (D)?
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Use the terms Area and Discharge.
Question 2.
Define Gross Duty.
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Think about the water measurement at the start.
3Question 3.
What does Duty (D) represent?
- Area of irrigated land per water unit
- Total water supply
- Crop yield
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Think about water allocation to crops.
4Question 4.
Is Net Duty the same as Gross Duty?
- True
- False
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Remember the definitions of both terms.
Question 5.
Calculate the Duty for an irrigation system that discharges 15 cumecs and serves an area of 45,000 hectares. What is Delta if the base period is 60 days?
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Follow the Duty formula for the first part and the Delta relationship for the second.
Question 6.
Discuss the impact of soil type on Duty and how different irrigation methods can mitigate low Duty in sandy soils.
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Consider characteristics of different soil types.

4 more questions in this section. Enroll free to practise them all.