The Window used with the object of providing light & air to the enclosed space below the roof, is called
- ADormer windowCorrect
- BCorner window
- CBay window
- DNone of the above
Solution
Concept
Definition and purpose of dormer window
Formula
NONE
Step-by-step solution
1. A dormer window is a vertical window constructed on a sloping roof surface. 2. It is specifically designed to admit light and air into the enclosed space or room below the roof level. 3. Bay windows project outward from the main wall, and corner windows are located at the junction of two walls. Answer: A
Explanation
A dormer window is a vertical window that projects outward from a sloping roof surface, creating its own small roof section. It is designed to allow daylight and fresh air into attic rooms or spaces situated directly beneath the main roof structure. Therefore, it is the appropriate window type for enclosed upper roof spaces.
Why the other options are wrong
B) Corner windows are provided at the corner of a room to admit light and air from two directions. C) Bay windows project outward from external walls to increase room space and light. D) Option A is the correct answer.
Shortcut
Dormer window projects from a sloping roof to admit light and air into the roof space.
Common mistake
Confusing a dormer window with a skylight or lantern window placed directly in the roof plane.
Correct answer: A) Dormer window