Question
Download Solution PDFA silt control device consisting of a number of rectangular tunnels - provided parallel to the axis of head regulator and terminating near the under sluiced weir - to allow the clearer water to flow through the head regulator is called:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Silt regulation works are required to preformed to control the erosion along the banks.
Two popular silt regulation works are as silt excluders and ejectors.
Silt excluders silt control device consisting of a number of rectangular tunnels - provided parallel to the axis of head regulator and terminating near the under sluiced weir - to allow the clearer water to flow through the head regulator. Silt excluders are constructed on the bed of the river, upstream of the head regulator.
Silt ejectors also called silt extractors, and it extracts the silt from the canal water after the silted water has travelled a certain distance in the off-take canal. Silt ejectors are constructed on the bed of the canal and a little distance downstream from the head regulator.
These works are, therefore, constructed on the bed of the canal, and little distance downstream from the head regulator.
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