Chapter 7

Question 1

Functions of interior walls

Answer 1

1) Separating and defining spaces
2) Controlling sound
3) Containing heat
4) Resisting fire
5) Bearing loads

Question 2

Advantages of metal framing

Answer 2

1) Lightweight
2) Uniform dimensions
3) Noncombustible
4) Resistant to moisture and rot
5) Easy to construct
6) Does not twist/keeps its shape
7) Has prepunched holes
8) Is a pre-engineered system

Question 3

Types of gypsum board products

Answer 3

1) Predecorated wallboard
2) Insulating wallboard
3) Fire resistant (x type) wallboard
4) Water resistant (type w/r) wallboard or green board
5) Gypsum sheathing
6) Gypsum lath

Question 4

Uses of glass-fiber-reinforced gypsum

Answer 4

Used to create the special architectural shapes formerly produced by the ornamental plasters of the past

Question 5

What are the 3 elements of paints and coatings?

Answer 5

1) Pigment - provides the color
2) Solvent - Thins the paint by dissolving or dispersing the binder
3) Binder - The glue that combines the pigment and solvents and allows for surface adhesion

Question 6

What is the most important phase in the painting process and why?

Answer 6

Surface preparation. Produces a smooth, clean, hard and dry surface that enables the paint to bond. Otherwise, you risk cracking, peeling, and flaking.

Question 7

Purpose of steel coatings

Answer 7

Used to protect steel against corrosion.; inhibit rusting

Question 8

Paint failures

Answer 8

1) Improper paint formulations
2) Substandard materials
3) Inadequate surface prep

Question 9

What is autoignition and how does it occur?

Answer 9

Fire without an ignition source. Oil dries by oxidation and gives off heat

Question 10

What types of wall coverings are used in buildings for decorative finishes, and which is the most durable and easy to maintain?

Answer 10

1) wallpaper
2) vinyl - most durable and easiest to maintain
3) fabric and textured
4) wall panels