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In border method of irrigation, the flow along the border is a case of
- a)spatially varied, unsteady, open channel flow with decreasing discharges
- b)steady, spatially varied open channel flow with decreasing discharges
- c)unsteady gradually varied, open channel flow
- d)unsteady, uniform open channel flow
Correct answer is option 'A'. Can you explain this answer?
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In border method of irrigation, the flow along the border is a case of...
Border Method of Irrigation
The border method of irrigation is a surface irrigation technique in which water is applied to a field by flowing it along the borders or ridges between the crop rows. This method is commonly used for irrigating certain crops such as rice, sorghum, and alfalfa. In this method, the flow of water along the border is a case of spatially varied, unsteady, open channel flow with decreasing discharges.
Spatially Varied Flow
Spatially varied flow refers to the flow in which the depth of water and velocity vary along the length of the channel. In the border method of irrigation, the water flows from the inlet end to the outlet end of the border, and the depth of water and velocity change as the water moves downstream. This is because of the irregular shape of the border and the cross-sectional variations along its length.
Unsteady Flow
Unsteady flow refers to the flow in which the depth of water and velocity change with time. In the border method, the flow is not constant but varies as the water is released from the inlet end and moves towards the outlet end. The flow rate decreases over time as the water infiltrates into the soil and is absorbed by the crop roots. This unsteadiness in flow makes the calculation and design of the border irrigation system more complex.
Open Channel Flow
Open channel flow refers to the flow of water in a channel with a free surface exposed to the atmosphere. In the border method of irrigation, the water flows along the borders of the fields, which are essentially open channels. The flow in these channels is subjected to the laws of open channel hydraulics, including the principles of conservation of mass and energy.
Decreasing Discharges
The discharge of water in the border method of irrigation decreases along the length of the border. This is because the water infiltrates into the soil and is absorbed by the crops, resulting in a reduction in the flow rate. As a result, the depth of water and velocity also decrease as the water moves downstream.
In conclusion, the flow along the border in the border method of irrigation is a case of spatially varied, unsteady, open channel flow with decreasing discharges. Understanding these characteristics is essential for the proper design and management of border irrigation systems.
The border method of irrigation is a surface irrigation technique in which water is applied to a field by flowing it along the borders or ridges between the crop rows. This method is commonly used for irrigating certain crops such as rice, sorghum, and alfalfa. In this method, the flow of water along the border is a case of spatially varied, unsteady, open channel flow with decreasing discharges.
Spatially Varied Flow
Spatially varied flow refers to the flow in which the depth of water and velocity vary along the length of the channel. In the border method of irrigation, the water flows from the inlet end to the outlet end of the border, and the depth of water and velocity change as the water moves downstream. This is because of the irregular shape of the border and the cross-sectional variations along its length.
Unsteady Flow
Unsteady flow refers to the flow in which the depth of water and velocity change with time. In the border method, the flow is not constant but varies as the water is released from the inlet end and moves towards the outlet end. The flow rate decreases over time as the water infiltrates into the soil and is absorbed by the crop roots. This unsteadiness in flow makes the calculation and design of the border irrigation system more complex.
Open Channel Flow
Open channel flow refers to the flow of water in a channel with a free surface exposed to the atmosphere. In the border method of irrigation, the water flows along the borders of the fields, which are essentially open channels. The flow in these channels is subjected to the laws of open channel hydraulics, including the principles of conservation of mass and energy.
Decreasing Discharges
The discharge of water in the border method of irrigation decreases along the length of the border. This is because the water infiltrates into the soil and is absorbed by the crops, resulting in a reduction in the flow rate. As a result, the depth of water and velocity also decrease as the water moves downstream.
In conclusion, the flow along the border in the border method of irrigation is a case of spatially varied, unsteady, open channel flow with decreasing discharges. Understanding these characteristics is essential for the proper design and management of border irrigation systems.
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In border method of irrigation, the flow along the border is a case ofa)spatially varied, unsteady, open channel flow with decreasing dischargesb)steady, spatially varied open channel flow with decreasing dischargesc)unsteady gradually varied, open channel flowd)unsteady, uniform open channel flowCorrect answer is option 'A'. Can you explain this answer?
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In border method of irrigation, the flow along the border is a case ofa)spatially varied, unsteady, open channel flow with decreasing dischargesb)steady, spatially varied open channel flow with decreasing dischargesc)unsteady gradually varied, open channel flowd)unsteady, uniform open channel flowCorrect answer is option 'A'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about In border method of irrigation, the flow along the border is a case ofa)spatially varied, unsteady, open channel flow with decreasing dischargesb)steady, spatially varied open channel flow with decreasing dischargesc)unsteady gradually varied, open channel flowd)unsteady, uniform open channel flowCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In border method of irrigation, the flow along the border is a case ofa)spatially varied, unsteady, open channel flow with decreasing dischargesb)steady, spatially varied open channel flow with decreasing dischargesc)unsteady gradually varied, open channel flowd)unsteady, uniform open channel flowCorrect answer is option 'A'. Can you explain this answer?.
In border method of irrigation, the flow along the border is a case ofa)spatially varied, unsteady, open channel flow with decreasing dischargesb)steady, spatially varied open channel flow with decreasing dischargesc)unsteady gradually varied, open channel flowd)unsteady, uniform open channel flowCorrect answer is option 'A'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about In border method of irrigation, the flow along the border is a case ofa)spatially varied, unsteady, open channel flow with decreasing dischargesb)steady, spatially varied open channel flow with decreasing dischargesc)unsteady gradually varied, open channel flowd)unsteady, uniform open channel flowCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In border method of irrigation, the flow along the border is a case ofa)spatially varied, unsteady, open channel flow with decreasing dischargesb)steady, spatially varied open channel flow with decreasing dischargesc)unsteady gradually varied, open channel flowd)unsteady, uniform open channel flowCorrect answer is option 'A'. Can you explain this answer?.
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