Doors & Windows

Question 1

Functions of Doors, Windows and
Staircases

Answer 1

Doors
* provide entry and
exit from a building.
* Provide ventilation
* Provide good appearance
* Privacy & Security

Windows
* light and air into a room
“” same as doors “”

Staircase
* possible to pass on foot to other
levels.
* Provide good
appearance

Question 2

Consideration Factors (common for all 3)

Answer 2

• Strength and durability
• Appearance
• Weatherproofing quality
• Cost
• Material

Question 3

Types of Doors

Answer 3

• Hinged doors
• Revolving doors
• Sliding doors
• Folded doors
• Rolling shutter
• Automated Doors

Question 4

Types of windows

Answer 4

• Casement
• Awning/Hopper
• Horizontal sliding
• Doublehung

Question 5

Components of staircases

Answer 5

• Step- The portion of the stair where the foot lands
  during ascending or descending.
• Tread- The horizontal portion of a step.
• Risen- The vertical portion of a step.
• Pitch- t is the slope of the stair.
• Going-It is the horizontal distance between two
  successive riser faces

Question 6

Staircase types

Answer 6

look note