Final Exam Part 2

71 Questions

Settings
Please wait...
Chemical Bond Quizzes & Trivia

Chapter 9: Finishes


Questions and Answers
  • 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