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542 questions
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.
What is the purpose of a barrage in irrigation systems?
A barrage in irrigation systems is designed to control and manage water flow in rivers or streams. Here’s what it does:
What are common causes of weir failure?
Weirs can sometimes have issues that cause them to fail. Here are some common problems: Erosion: Water can wash away the soil around the weir or under it, which might weaken the structure.
How can permeable foundations affect the stability of weirs?
If a weir is built on ground that lets water seep through too easily, it can cause some problems: Leaks: Water can sneak through the foundation, which might weaken the weir and make it unstable over time.
What is Kennedy’s theory of critical velocity and how is it applied?
Kennedy’s theory of critical velocity is a concept used in open channel flow to determine the flow conditions under which sediment begins to be transported along the channel bed. Here’s a straightforward explanation:
Describe Lacey’s theory of uniform flow and its significance.
Lacey’s theory of uniform flow is a key concept in hydraulic engineering that deals with the design and analysis of open channels. Here’s a simple breakdown:
Define flood and describe its types.
A flood happens when water spills over onto land that’s usually dry. This can be caused by heavy rain, melting snow, or other factors that overwhelm drainage systems. Here’s a look at the different types of floods
How is water logging defined and what are its effects?
Waterlogging happens when the soil gets saturated with water and can’t absorb any more. It usually occurs when there’s too much water, like from heavy rainfall or poor drainage. Here’s what you need to know about its effects
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