Question

An arch dam cannot be constructed at all when the valley is very wide.

(a) True

(b) False

I had been asked this question by my college director while I was bunking the class.

I want to ask this question from Types of Dams topic in division Dams and Reservoirs of Engineering Geology

Answer 1

Correct choice is (b) False

To explain: A combination of series of arch dams called Multiple Arch Dams is sometimes applied with an advantage when the valley is too wide for a single arch or gravity dam. Hence, arch dam can be constructed in a very wide valley too.