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Duty; Delta and Base Period | Irrigation Engineering Video Lecture | Crash Course: Civil Engineering (CE)

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FAQs on Duty; Delta and Base Period - Irrigation Engineering Video Lecture - Crash Course: Civil Engineering (CE)

1. What is the duty of an irrigation system?
Ans. The duty of an irrigation system refers to the total amount of water that is required to irrigate a specific area of land over a given time period. It is usually expressed in terms of volume per unit area, such as cubic meters per hectare or acre. The duty is determined based on various factors including the type of crops being grown, climate conditions, soil type, and water availability.
2. What is the significance of the delta in irrigation engineering?
Ans. In irrigation engineering, the delta refers to the difference between the water requirements of a crop and the water supply available for irrigation. It helps in determining the deficit or surplus of water for a particular irrigation system. By calculating the delta, engineers can design and manage irrigation systems effectively to ensure that the crops receive an adequate amount of water for optimum growth and yield.
3. What is the base period in irrigation engineering?
Ans. The base period in irrigation engineering refers to the time period for which the water requirements of a crop are calculated. It is usually determined based on the crop's growth cycle, which includes different stages such as germination, vegetative growth, flowering, and maturity. By considering the base period, engineers can estimate the total water requirement for the crop throughout its growth cycle and design irrigation systems accordingly.
4. How is the duty of an irrigation system calculated?
Ans. The duty of an irrigation system can be calculated by dividing the total volume of water required for irrigation during a specific time period by the area of land being irrigated. This calculation gives the duty in terms of volume per unit area, such as cubic meters per hectare or acre. The total water requirement can be determined by considering factors such as crop water requirement, evaporation losses, and conveyance losses.
5. Why is it important to consider the duty and base period in irrigation engineering?
Ans. Considering the duty and base period in irrigation engineering is crucial for efficient water management. The duty helps in determining the required water supply for a given area of land, ensuring that the crops receive an adequate amount of water for their growth. The base period helps in estimating the total water requirement throughout the crop's growth cycle, allowing engineers to design irrigation systems that meet the crop's specific needs. By considering these factors, water resources can be utilized effectively, minimizing wastage and maximizing crop productivity.
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