Q.

An                    culvert is normally a low profile culvert. It allows them to be installed without disturbing the causeway as it will span over the entire drainage width.

A. box
B. rectangle
C. arch
D. circular
Answer» C. arch
Explanation: they are normally made of metal, stone masonry or rcc. they are installed easily, and you don’t need to use expensive water diversion structures to install it. common shapes include semicircular arch, elliptical arch, and concrete box culverts.
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