537 questions and answers
Describe the process of designing a rainwater harvesting system for irrigation.
Site Assessment: Identify suitable catchment areas like roofs and available space for storage. Catchment Area: Choose clean, non-contaminating surfaces for collecting rainwater. Gutters and Downspouts: Install to channel water from catchment areas to storage, sized to handle expected rainfall.
List major irrigation projects in India and describe their significance.
India has several major irrigation projects crucial for enhancing agricultural productivity and ensuring water supply. Here are some of the key projects and their significance
What tools are used for measuring rainfall and runoff?
Rain Gauge: This is the go-to tool for figuring out how much rain has fallen. You’ve got simple versions you check manually and fancier ones that record data automatically.
How do you calculate the runoff coefficient for a given area?
Check Out the Surface Types: Look at what kinds of surfaces are in the area, like asphalt, grass, or concrete. Different surfaces handle rain differently
What are the methods to estimate evaporation rates?
Pan Evaporation: You use a simple open pan filled with water. Over time, you check how much water has disappeared from the pan.
What are the different types of canals used in irrigation?
Main Canals: These are large canals that carry water from the source, like a river or reservoir, to the primary distribution system. They have a substantial flow capacity and cover long
How are canal systems classified based on their function?
Irrigation Canals: Designed specifically to supply water for agricultural purposes. These include: Main Canals: Carry water from the primary source to the distribution system.
What are the benefits of canal lining in irrigation?
Less Water Waste: Lining helps keep water from soaking into the ground, so more of it actually reaches your fields. More Efficient: With less water lost, the system works better and you get a more steady water supply for your crops.
Describe different types of canal lining materials.
Concrete Lining: This durable and strong material is used in high-flow canals. Clay Lining: As long as it's economical, effective, and well-compacted. Geomembranes: Flexible synthetic sheets designed to halt leaks.
Define a weir and its function in water management.
A weir is like a small dam built across a river or stream. Its main job is to manage and measure the flow of water.
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