An aqueduct is a cross-drainage work where:
Choose the correct answer
Canal water flows in a trough over the drain/river
The drain passes below the canal in a syphon
Canal and drain cross at the same level
Natural stream water diverts into canal
Correct Answer
A. Canal water flows in a trough over the drain/river
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Aqueduct: the canal passes over the natural drainage (stream/valley) in a flume/trough carried on piers. The drain flows below freely. Siphon aqueduct: canal water passes through a siphon (inverted syphon) under the drain. Super passage: drain over canal.
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