Silt free water should be supplied to the canals through______________________?
Correct answer: C. Head sluices
- A. Under sluices
- B. Scouring sluices
- C. Head sluices
- D. Sluice gates
Explanation
Head sluices or the canal head regulator control the entry of relatively silt-free water into the canal from the upper water layers. Under sluices and scouring sluices mainly remove accumulated silt from near the weir floor.
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More Irrigation and Water Management questions
The rise in river water level at up stream due to construction of weir is called__________________?
The groyne pointing upwards direction of flow is called ______________________?
when ever a sloping face of river bank is protected by stone pitching against scour, the pitching is extended beyond the toe to the river side that is called__________________?
The wall of masonry or concrete, constructed at 90° to the axis of weir to separate normal weir from under sluices is called____________________?
In high floods, to avoid spilling of flood water over the gates, a wall is provided from pond level to high Flood level. This wall spans for the entire length of regulator, rest on piers, sustain water pressure by its weight called_____________________?
The structures, which are constructed on the river bed upstream of head regulator. With this clear water enters in canal such structures are called______________________?