Question

Buttress dams are of __________ types.

(a) 6

(b) 4

(c) 8

(d) 3

I got this question in unit test.

My enquiry is from Dams in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer 1

Correct option is (d) 3

Easiest explanation: The three types of buttress dam are deck type, multiple-arch type and massive-head type. Deck type consists of a sloping deck supported by buttresses. In massive-arch type, deck is replaced by horizontal arches. There is no deck slab in massive-head type.