Question

What is a groin vault?
a.
A groin vault is a structure that resembles the top half of a sphere.
b.
A groin vault comes from the extension of a round arch, similar to a long tube of arches.
c.
A groin vault has two barrel vaults of the same diameter which cross or intersect one another.
d.
A groin vault has two barrels which extrude into a two dimensional structure.


Please select the best answer from the choices provided

A
B
C
D

Answer 1

C

A groin vault is formed by the intersection of two barrel vaults (usually at right angles), producing the characteristic intersecting ridges or "groins."