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NCIDQ CHAPTER 11 QUESTIONS AND ANSWERS WITH SOLUTONS 2024
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NCIDQ CHAPTER 11 QUESTIONS AND ANSWERS WITH SOLUTONS 2024
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NCIDQ CHAPTER 11 QUESTIONS ANDANSWERS WITH SOLUTONS 2024
______ are the most common construction element for both residential and commercial interior design.
- ANSWER Partitions
What is the most common type of partition? - ANSWER gypsum wallboard
______ construction is seldom used for standard walls but is required for certain conditions. - ANSWER
Lath and Plaster
Consists of a gypsum core sandwiched between heavy paper or other materials. It is factory formed into
standard-size sheets ready for dry application onto framing. - ANSWER Gypsum wallboard
The types of finishes on gypsum wallboard have been standardized by the ______ and published in GA-
214, Recommended Levels of Gypsum Board Finish. - ANSWER Gypsum Association (GA)
Requires no taping, finishing, or accessories - ANSWER Level 0
Joints and interior angles have tape embedded in joint compound with the surface free of excess joint
compound. This level is used for plenums above ceilings and other areas not normally open to view. -
ANSWER Level 1
All joints and interior angles have tape embedded in joint compound, and one separate coat of
compound is applied over all joints, angles, fastener heads, and accessories. This level is used where
water-resistant backing board is employed as a substrate for tile and in other areas where appearance is
not critical. - ANSWER Level 2
This level is used where the surface will receive heavy- or medium-textured finishes or where heavy-
grade wallcoverings are to be applied. - ANSWER Level 3
This level is used where light textures or wallcoverings will be applied or where economy is of concern.
Gloss, semigloss, and enamel paints are not recommended over this level of finish. - ANSWER Level 4
,A thin skim coat of joint compound is applied over the entire surface. This level is used where gloss,
semigloss, enamel, or non textured
flat paints are specified or where severe lighting conditions exist. - ANSWER Level 5
What standard depths are steel studs available in? - ANSWER 1 5/8", 2 1/2", 3 5/8", 4" and 6"
Hat-shaped ___ ___ are used for ceiling framing and to fur out from concrete or masonry walls if the
walls are uneven or if additional depth is needed for electrical outlets or insulation. - ANSWER furring
channels
______ channels are used to improve the acoustical properties of a wall by isolating the wallboard from
rigid attachment to the framing. - ANSWER Resilient
Edge trim requiring finishing with joint compound. It has a back flange, so it must be fitted over the edge
of the wallboard before the wallboard is fastened to the substrate. - ANSWER LC Bead
Edge trim without a back flange; good for installation after the wallboard has been installed. It requires
finishing with joint compound. - ANSWER L Bead
Edge trim in which the edge of the metal is noticeable. It is sometimes called J metal by contractors. It
does not require finishing with a joint compound. - ANSWER U Bead
Edge trim for use with various thicknesses of wallboard in a kerfed jamb (one with a small slot cut in). It
requires finishing with joint compound. - ANSWER LK Bead
A slab-to-slab partition with a single layer of 5/8 in (16 mm) Type X wallboard on each side provides a
______-rated partition, while two layers on each side provide a 2-hour rating. - ANSWER 1-hour
This is the process whereby power-generating plants (and similar plants) remove polluting gases from
their stacks to reduce emission of harmful materials into the atmosphere. - ANSWER flue-gas
desulfurization
, Old wallboard can also be pulverized into pieces equal to or smaller than ______ and worked into the
ground as a soil additive. - ANSWER 1/2 in (13 mm)
The term ______ refers to a broad class of products manufactured from high-strength, high-density
gypsum reinforced with continuous-filament glass fibers or chopped glass fibers. - ANSWER glass-
reinforced gypsum (GRG)
______ is a finish material made from gypsum, lime, water, and aggregates of sand, vermiculite, or
perlite (i.e. stucco). - ANSWER Plaster
______ cement is a plaster that has a high resistance to abrasion and water penetration. It is used in wet
areas or on walls subject to scratching or other abuse. - ANSWER Keene's
___ ___ plaster must be used as the base coat for Keene's cement or as a backing for tile walls. -
ANSWER Portland cement
There are two common types of plaster construction. The first is the traditional method using ___ ___
that is attached to wood or metal studs and serves as the base for the plaster. - ANSWER metal lath
Metal lath is available in several types (name five): - ANSWER 1) expanded diamond mesh, 2) paper, 3)
backed diamond mesh, 4) flat-rib lath, and 5) high-rib lath
The other method of plastering uses ___ ___ lath instead of metal lath. This is a special product
specifically designed for plastering. - ANSWER gypsum board
Plaster must be used as a base for ______ tile in areas subject to continual dampness, like public
showers or steam rooms. - ANSWER ceramic
______ plaster casting and plaster molding are used in restoration work. - ANSWER Ornamental
______ is a general term that includes brick, concrete block, glass block, structural clay tile, terra-cotta,
and gypsum block. - ANSWER Masonry
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