Final Exam Part 2
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Chapter 9: Finishes
- 1.Plaster of Paris is..
- A.
A mixture of portland cement and water
- B.
A compound of silica and calcium sulfate
- C.
Relatively pure calcined gypsum
- D.
Vitrified sodium sulfate
- 2.What is released into the atmosphere when gypsum is heated?
- A.
Oxygen
- B.
Carbon dioxide
- C.
Water
- D.
Carbon monoxide
- 3.What is the key benefit of using gypsum products in construction?
- A.
It provides fire protection
- B.
It provides structural stability
- C.
It provides protection from corrosion and decay
- D.
It provides security against vandalism
- 4.What is the role of aggregates in plaster?
- A.
To provide weight
- B.
To increase workability
- C.
To increase water tightness
- D.
To provide dimensional stability
- 5.Which substance is added to finish coat plasters to improve workability?
- A.
Lime
- B.
Aggregate
- C.
Calcium chloride
- D.
Resin
- 6.What is the principle cementitious ingredient in stucco?
- A.
Gypsum
- B.
Portland cement
- C.
Acrylic
- D.
Lime
- 7.Vermiculite is...
- A.
An agent which retards the setting of plaster
- B.
A light weight aggregate for plaster
- C.
An agent which speeds the setting of plaster
- D.
An additive designed to increase the workability of plaster
- 8.Which product(s) cannot be applied directly to gypsum plaster, gypsum masonry, or gypsum lath?
- A.
Gypsum plaster cannot be applied to these bases
- B.
Portland cement plaster cannot be applied directly to these bases
- C.
Neither gypsum plaster nor portland cement plaster can be applied directly to these bases
- D.
Neither gypsum plaster nor portland cement plaster are restricted from direct application to these bases
- 9.What restriction applied when plaster is to be applied directly to concrete surface?
- A.
The surface of the concrete should not be sandblasted
- B.
Rough lumber should not be used as forms for the concrete
- C.
Form release oil should not be used on the formwork
- D.
Muriatic acid should not be applied to the concrete
- 10.Identify the coats of three-coat plaster work as applied to metal lath.
- A.
Dash coat, gray coat, finish coat
- B.
Scratch coat, gray coat, white coat
- C.
Scratch coat, brown coat, finish coat
- D.
Dash coat, brown coat, finish coat
- 11.Which adjustments are allowed to a mix of portland cement plaster within three and one-half hours of the initial mixing?
- A.
Retempering with additional water
- B.
Remixing to restore plasticity
- C.
Both retempering and remixing
- D.
Neither retempering nor remixing
- 12.Rich mixes of plaster, high in cement content, generally result in plaster with...
- A.
Lower strength
- B.
Greater economy
- C.
Lower initial shrinkage
- D.
Higher intital shrinkage
- 13.Portland cement plaster should be applied over a level base in a uniform thickness..
- A.
To achieve greater economy
- B.
To reduce cracking
- C.
To improve its appearance
- D.
To increase speed
- 14.Type X wallboard is...
- A.
Water-resistant
- B.
Sound-resistant
- C.
Impact-resistant
- D.
Fire resistant
- 15.The core of water-resistant wall board is formulated with what type of additives?
- A.
Asphaltic
- B.
Acrylic
- C.
Portland cement
- D.
Aluminum oxide
- 16.The type of gypsum board is perforated is...
- A.
Backing board
- B.
Sheathing
- C.
Lath
- D.
Formboard
- 17.Regarding the attachment of gypsum board to wood members, staples are recommended only for attaching...
- A.
Fire-resistant board
- B.
The base ply in multi-ply construction
- C.
Predecorated board
- D.
Tapered board on the long dimension
- 18.Identify the disadvantage of contact adhesive for installing gypsum board.
- A.
Inability to bridge irregularities
- B.
Cannot be used to bond wallboard to metal studs in demountable partitions
- C.
Lacks significant long term strength
- D.
Does not provide immediate bond
- 19.What is the minimum temperature at which gypsum board should be installed?
- A.
35 degrees F
- B.
45 degrees F
- C.
55 degrees F
- D.
65 degrees
- 20.Which surface of a space should first be clad with gypsum board first?
- A.
Walls
- B.
Ceilings
- C.
Walls and ceiling should be clad simultaneously beginning at one end of the space and progressing toward the other
- D.
Neither walls nor the ceiling are recommended to be clad first
- 21.Caulking is recommended around the edges of partitions between apartment to...
- A.
Reduce sound transmission
- B.
Reduce the heat loss
- C.
Increase the fire rating of the partition
- D.
Reduce the need for trim
- 22.In which circumstance can foill-backed gypsum board be used?
- A.
As the backing for ceramic tile
- B.
As the face ply in laminated two-ply construction
- C.
Adjacent to a dead air space
- D.
For laminating directly to masonry or concrete
- 23.Where can gypsum board be used in exterior locations (if any)?
- A.
As fascia boards
- B.
On soffits
- C.
On rake trim
- D.
Gypsum board cannot be used in the exterior
- 24.In which location is water-resistant gypsum board recommended for use?
- A.
Shower room walls
- B.
Shower room ceilings
- C.
Sauna walls
- D.
As a base for wall tile in tub-shower areas
- 25.Partitions utilizing gypsum board..
- A.
Can be made entirely of gypsum board except for metal runners at the floor and ceiling
- B.
Required wood or metal framing for support
- C.
Cannot be assembled with a masonry substrate
- D.
Require threaded fasteners
- 26.How many coats of joint compound are recommended as the minimum for taped joints in standard gypsum board construction?
- A.
One
- B.
Two
- C.
Three
- D.
Four
- 27.What is recommended regarding the wetness of each layer of joint compound prior to the installation of the next coat?
- A.
Even numbered coats should be damp when next coat is applied
- B.
Odd numbered coats should be damp when the next coast is applied
- C.
All coast should be damp when the next coat is applied
- D.
All coats should be dry when the next coat is applied
- 28.A major cause of nail popping in gypsum board surface is...
- A.
Faulty taping of the joints
- B.
Shrinkage of the wood framing
- C.
Use of excessively short nails
- D.
Panels installed across the studs in the wrong or orientation
- 29.Breaking the face paper of the gypsum board at the nail head during installation...
- A.
Is required for a snug fit of the nail
- B.
Is inconsequential as long as a break is covered with the correct number of layers of joint compound.
- C.
Contributes to the eventual loosening of the panel
- D.
Lowers the fire rating of the wall if it occurs at over have the nails in the wall
- 30.Who is the best girldfriend in the entire world?
- A.
LALA
- B.
MARIE
- C.
LAUREN
- 31.Which tile types are suitable for exterior installation subject to freezing and interior installation subject to continuous immersion in water?
- A.
Nonvitreous and semi-vitreous
- B.
Semi-vitreous and vitreous
- C.
Vitreous and impervious
- D.
Impervious and nonvitreous
- 32.What is the relationship between the bonding strength and chemical resistance of resinous tile-setting materials such as epoxies and furans to the cementitious mortars?
- A.
The resinous tile-setting materials have greater bonding strength and chemical resistance
- B.
The resinous tile-setting materials have lower bonding strength and chemical resistance
- C.
The bonding strength and chemical resistance of the two are about equal
- D.
Some resinous materials have higher and some have lower bonding strength and chemical resistance
- 33.Before plywood that is to be used as the substrate for wall tile is installed...
- A.
Its edges should be sealed with an exterior primer or aluminum paint
- B.
Its back should be sealed with an exterior primer or aluminum paint
- C.
Its face should be sealed with an exterior primer or aluminum paint
- D.
All surfaces and edges should be sealed with an exterior primer or aluminum paint
- 34.In which circumstance is a cleavage membrane required for tile set over a concrete slab?
- A.
Interior slabs
- B.
Exterior slabs
- C.
Structural (supported) slabs
- D.
Slabs-on-grade
- 35.An advantage of bonded setting beds for tile on concrete is that ...
- A.
They isolate the tile from stresses in the slab below
- B.
They provide smooth finishes over relatively rough surfaces
- C.
They secure the tile to the concrete so the two materials act structurally as one
- D.
They utilize the latest sophisticated tile setting materials and techniques
- 36.When using organic adhesive for the installation of wall tile on interior surfaces...
- A.
Tamping of the tile into the adhesive is not permitted
- B.
The surface to which the adhesive is applied cannot be plywood
- C.
Grouping should be delayed for at least 24 hours to permit solvent evaporation
- D.
Latex grouts are not permitted
- 37.The primary cementitious binder used in terrazzo is...
- A.
Epxoy
- B.
Epoxy mortar
- C.
Latex
- D.
Portland cement
- 38.Decorative chips in terrazzo toppings consist principally of..
- A.
Granite
- B.
Marble
- C.
Basalt
- D.
Sandstone
- 39.Which terrazzo system provides the most crack control and are preferred wherever strucural movement is expected?
- A.
Unbonded
- B.
Partially bonded
- C.
Bonded
- D.
Double bonded
- 40.What is the lowest quality of plywood recommended for use as the subfloor under a thin-set resinous terrazzo toppings?
- A.
AC-standard
- B.
CD-standard
- C.
AD deck
- D.
CC-plugged
- 41.An underbed is necessary primarily in what type of terrazzo installations?
- A.
Unbonded
- B.
Partially bonded
- C.
Bonded
- D.
Double bonded
- 42.A terrazzo installation underbed should..
- A.
Not be reinforced with welded wire fabric
- B.
Be reinforced with welded wire fabric in all bonded installations
- C.
Be reinforced with welded wire fabric in all unbonded installations
- D.
Be reinforced with welded wire fabric in bonded installations over concrete
- 43.Sounds broadcast into a space to mask noise are known as...
- A.
Ambient sound
- B.
White noise
- C.
Reverberation
- D.
CSTC
- 44.Identify a disadvantage of concealed suspension system for composition tile.
- A.
Tiles are difficult to remove
- B.
They are prohibitively expensive
- C.
The fastening system lacks sturdiness
- D.
Expansion and contraction eventually damages the tile
- 45.Which is the lightest category of hung ceiling suspension system that can support light fixtures and air diffusers in addition to the acoustical materials?
- A.
Light-duty
- B.
Intermediate-duty
- C.
Heavy duty
- D.
Extra heavy duty
- 46.In exterior installations which metal is not recommended for use as a concealed metal component in hung ceiling system?
- A.
Aluminum
- B.
Stainless steel
- C.
Galvanized steel
- D.
Carbon steel
- 47.Suspension system members that abut vertical or overhead building structural elements...
- A.
Should be secured to them so as to act as a unit
- B.
Should provide a structural link between elements on opposite sides of an expansion joint.
- C.
Should brace the structure against seismic movement
- D.
Should be isolated from structural movement
- 48.Identify the smallest nominal thickness of wood furring typically acceptable for support and acoustical ceiling on framing
- A.
One inch
- B.
Two inch
- C.
Three inch
- D.
Four inch
- 49.The majority of sound absorbing fabric panels and baffles are largely or entirely...
- A.
Polyester
- B.
Wool
- C.
Nylon
- D.
Rayon
- 50.Acoustical wall panels and baffles are generally classified by their...
- A.
Absorption Rating (AR)
- B.
Sound Attenuation Number (SAN)
- C.
Noise Reduction Coefficient (NRC)
- D.
Reverberation Absorption Quotient (RAQ)
- 51.The nature of wood requires that flooring made of this material have special attention becauise of its tendency to..
- A.
Burn at relatively low temperature
- B.
Wrap with continued wear
- C.
Splinter upon impact
- D.
Change dimension with changes in moisture
- 52.About eighty percent of wood flooring is...
- A.
Hardwood
- B.
Medium woof
- C.
Soft wood
- D.
Maple
- 53.Hardwood flooring boards are typically provided in various lengths...
- A.
Due to the cutting necessary to remove natural defects
- B.
Only when the board edges are beveled and prefinished
- C.
Only on face nailed flooring
- D.
For decorative purposes
- 54.Standard wood strip flooring grades are based almost wholly on...
- A.
Strength
- B.
Durability
- C.
Cost
- D.
Appearance
- 55.Identify the shortest length of flooring that is typically sold.
- A.
Nine inches
- B.
One foot
- C.
Eighteen inches
- D.
Two feet
- 56.Which type of oak flooring is characterized by greater dimensional stability?
- A.
Half-sawn
- B.
Straight-sawn
- C.
Quarter-sawn
- D.
Plain-sawn
- 57.Most resilient flooring today is made of...
- A.
Asphaltic compounds
- B.
Vinyl and vinyl compositions
- C.
Vinyl and asbestos
- D.
Cork and glass fiber
- 58.Which resilient flooring is the most durable?
- A.
Homogeneous vinyl tile
- B.
Rubber tile
- C.
Vinyl composition
- D.
Linoleum
- 59.Identify a characteristic of latex adhesives used in the installation of resilient flooring tile.
- A.
Moisture resistant
- B.
Relatively low cost
- C.
Commonly used on vinyl composition tile
- D.
Limited to concrete subfloors
- 60.Identify a characteristic of epoxy adhesives used in the installation of resilient flooring tile.
- A.
Low moisture resistance
- B.
High durability
- C.
Tendency for tiles to slip prior to curing
- D.
Not used in installation of resilient flooring
- 61.Carpet is not particularly useful for controlling...
- A.
Sound reflection
- B.
Impact noise
- C.
Transmission of airborne sound
- 62.Which substance is not commonly used to make carpeting?
- A.
Polycarbonate
- B.
Acrylics
- C.
Polypropylene
- D.
Nylon
- 63.The most commonly used methods for making carpet yard goods are...
- A.
Knitted fusion-bonded
- B.
Woven and tufted
- C.
Needle punched and flocked
- D.
Woven and needle punched
- 64.The yarns which run crosswire in woven carpeting are called...
- A.
Stuffer yarns
- B.
Warp yarns
- C.
Weft yarns
- D.
Chain yarns
- 65.The method of manufacturing used most to make carpet tile is...
- A.
Woven
- B.
Knitted
- C.
Fusion-bonded
- D.
Flocked
- 66.Which fiber substance is particularly problematic in the build-up of static electricity?
- A.
Acrylucs
- B.
Nylon
- C.
Wool
- D.
Polypropylene
- 67.What is a characteristic of latex primer?
- A.
It is difficult to clean-up after
- B.
It is slower drying than an alkyd primer
- C.
It has poor alkali resistance
- D.
It does not raise the fibers on a gypsum board surface
- 68.Paints containing more than 0.06 percent lead..
- A.
Are prohibited by law
- B.
Must carry a warning label
- C.
Can be thinned with water
- D.
Is recommended for residential use where wear and tear by children is prevalent
- 69.What substance acts as the vehicle for heat resistant aluminum paint?
- A.
Water
- B.
Alkyd
- C.
Silicone
- D.
Epoxy
- 70.Intumescent coatings..
- A.
Glow in the dark
- B.
Are aluminum-based
- C.
Are fire-retardants
- D.
Contain lead
- 71.Paints differ from coatings in that paints...
- A.
Have pigment and coatings do not
- B.
Paints are applied in the field and coatings are applied in the shop or factory
- C.
Are cleaned up after water while clean up for coatings must be done with linseed or other oil-based thinners
- D.
Are applied to wood and coatings are applied to all other materials
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