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Bar screens used to cover dam outlets to prevent entry of debris or ice into the sluiceway conduits are called ______________

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in Irrigation Engineering by (75.2k points)
Bar screens used to cover dam outlets to prevent entry of debris or ice into the sluiceway conduits are called ______________

(a) gate controlled ports

(b) projecting collars

(c) trash racks

(d) outlets

I have been asked this question in examination.

Asked question is from River Intakes topic in portion Pressure Conduits, Outlet Works through Dams and Rivers of Irrigation Engineering

1 Answer

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by (106k points)
Correct option is (c) trash racks

Explanation: The trash rack is generally provided as a cover for the entrance to intakes and dam outlets so as to prevent the entry of debris, ice, etc into the conduit. These are bar screens made from steel bars spaced at 5 to 15 cm center to center in both directions.

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