The intersection at right angles of two tunnel vaults is a called:
A) an angular vault.
B) a pendentive.
C) a groin vault.
D) all of these.
E) none of these.

Question

Quizplus · Accepted Answer

The intersection at right angles of two tunnel vaults is called a groin vault. Choice A, an angular vault, is not a commonly used term. Choice B, a pendentive, is a structure used in dome construction, not in tunnel vaults. Choice D, all of these, is not correct as only C is the correct answer. Choice E, none of these, is not correct as C is the correct answer.

The Intersection at Right Angles of Two Tunnel Vaults Is