Question

A V-shaped valley with stronger foundations can suggest the choice of an arch dam is of the type ___________________________

(a) constant radius arch dam

(b) variable radius arch dam

(c) constant angle arch dam

(d) variable angle arch dam

I have been asked this question during an online exam.

I want to ask this question from Arch Dams topic in division Arch and Buttress Dams of Irrigation Engineering

Answer 1

Correct choice is (c) constant angle arch dam

To elaborate: The variable center arch dam is also preferred for V-shaped valleys as compared to constant radius arch dams. The constant radius arch dam may be preferred for comparatively wider U-shaped valleys.