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Gradually Varied Flow Video Lecture | Civil Engineering Optional Notes for UPSC
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FAQs on Gradually Varied Flow Video Lecture - Civil Engineering Optional Notes for UPSC
| 1. What is gradually varied flow in hydraulics? |  |
Ans. Gradually varied flow in hydraulics refers to the flow of water in an open channel where the depth of the water gradually changes over a long distance, typically over several hundred feet. This type of flow occurs in natural rivers and canals where the channel slope changes gradually.
| 2. How is gradually varied flow different from rapidly varied flow? | |
Ans. Gradually varied flow is characterized by a gradual change in water depth over a long distance, while rapidly varied flow involves abrupt changes in depth over short distances. Gradually varied flow is more common in natural channels, whereas rapidly varied flow is often seen in man-made structures like weirs and dams.
| 3. What are the main factors that influence gradually varied flow? | |
Ans. The main factors that influence gradually varied flow include the channel slope, roughness of the channel bed and walls, and the discharge of water. Changes in these factors can cause variations in the water depth along the channel, leading to different types of gradually varied flow profiles.
| 4. How is gradually varied flow analyzed and calculated in hydraulic engineering? | |
Ans. Gradually varied flow is analyzed using various hydraulic models and equations, such as the Manning's equation and the gradually varied flow equation. These tools help engineers predict the water depth and flow velocity at different points along a channel with gradually varied flow.
| 5. Why is the study of gradually varied flow important in hydraulic engineering? | |
Ans. Understanding gradually varied flow is crucial in hydraulic engineering as it helps engineers design and manage water systems effectively. By predicting how water depth changes in natural and man-made channels, engineers can prevent flooding, erosion, and other water-related hazards.
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Dec 27, 2024 Last updated |
Video Description: Gradually Varied Flow for UPSC 2024 is part of Civil Engineering Optional Notes for UPSC preparation.
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