The exposed vertical surface left on the sides of an opening after the door or window frame has been fitted in position, is called
A)jamb
B)reveal
C)sill
D)quoin

Question

Quizplus · Accepted Answer

The exposed vertical surface left on the sides of an opening after the door or window frame has been fitted is called the reveal. It is the side of the opening that is visible and not covered by the frame.

The Exposed Vertical Surface Left on the Sides of an Opening