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BU3 Advancement > Bu basic CH13 > Flashcards

Bu basic CH13 Flashcards

1
Q
  1. What are the portions of the roof that project past the side walls of the building? (Page 13-4)
A

eaves

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2
Q
  1. Gypsum board is available in lengths up to how many feet? (Page 13-8)
A

16 feet

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3
Q
  1. What are the most common thicknesses of gypsum board? (Page 13-9)
A

1⁄2 inch and 5/8 inch

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4
Q
  1. What is the most frequently used drywall nail? (Page 13-12)
A

Annular ring nail

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5
Q
  1. What are the two types of drywall scews commonly used? (Page 13-13)
A

Type S and W

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6
Q
  1. Corner bead is nailed or screwed every how many inches through the drywall and into the framing members? (Page 13-14)
A

5 inches

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7
Q
  1. Drywall wall sheets should be run horizontally when ceilings are what height or less? (Page 13-14)
A

8 feet 1 inch

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8
Q
  1. Where drywall is hung vertically, avoid side joints within how many inches of the outside edges of doors or windows? (Page 13-14)
A

6 inches

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9
Q
  1. How many inches OC are screws usually spaced regardless of drywall thickness? (Page 13-17)
A

12

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10
Q
  1. Finishing gypsum board drywall is generally a how many coat application? (Page 13-18)
A

three

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11
Q
  1. The binders most commonly used in plaster are gypsum, lime, and what else? (Page 13-24)
A

portland cement

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12
Q
  1. How many common types of gypsum base coat plasters are there? (Page 13-24)
A

four

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13
Q
  1. Gypsum wood fibered plaster consists of calcined gypsum combined with at least what percent by weight of non-staining wood fibers? (Page 13-25)
A

.75%

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14
Q
  1. How many common types of gypsum finish coat plasters are there? (Page 13-25)
A

five

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15
Q
  1. Normal hydrated lime is converted into lime putty by soaking it for at least how many hours? (Page 13- 26)
A

16

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16
Q
  1. What are the three main aggregates used in plaster? (Page 13-26)
A

Sand, vermiculite, and perlite

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17
Q
  1. What is a micaceous mineral in which each particle is laminated or made up of adjoining layers? (Page 13-27)
A

vermiculite

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18
Q
  1. What is a volcanic glass that, when flash roasted, expands to form irregularly shaped frothy particles containing innumerable minute air cells? (Page 13-27)
A

raw perlite

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19
Q
  1. Wood laths come how many to the bundle are sold by the thousand? (Page 13-28)
A

50 to 100

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20
Q
  1. Board laths are divided into two main groups, gypsum board and what else? (Page 13-28)
A

insulation board

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21
Q
  1. What is the only thing that can be used over gypsum lath? (Page 13-28)
A

gypsum mortar

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22
Q
  1. What is perhaps the most versatile of all plaster bases? (Page 13-28)
A

metal lath

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23
Q
  1. What are formed metal strips used to relieve stresses and strains in large plaster areas or at junctures of dissimilar materials on walls and ceilings? (Page 13-35)
A

control joints

24
Q
  1. What are strips of wood used as plastering guides or strike off edges and are located around window and door openings and at the base of the walls? (Page 13-36)
A

plastering grounds

25
Q
  1. What are vermiculite and perlite not used with? (Page 13-36)
A

lime plaster

26
Q
  1. What are used to apply, spread, and smooth plaster? (Page 13-40)
A

steel trowels

27
Q
  1. What is glided over the surface of the plaster to fill voids and hollows, to level bumps left by previous operations, and to impart a texture to the surface? (Page 13-41)
A

float

28
Q
  1. Specifications usually require that plaster be finished true and even, within 1/8 inch tolerance in how many feet without waves, cracks, or imperfections? (Page 13-43)
A

10 feet

29
Q
  1. Tests have shown that a reduction of thickness to 1⁄4 inch decreases it as much as what percent? (Page 13-43)
A

82%

30
Q
  1. What type of rough finish is obtained by throwing small pepples or crushed stone against a newly plastered surface? (Page 13-45)
A

peggle

31
Q
  1. What is the term applied to plaster whenever it is applied to the exterior of a building or structure? (Page 13-45)
A

stucco

32
Q
  1. On open frame construction, nails are driven one half their length into the wood. Spacing should be how many inches OC from the bottom? (Page 13-47)
A

5-6

33
Q
  1. Using high early cement reduces the curing time required for the cement to reach its initial strength to
    how many days instead of 7? (Page 13-50)
A

3

34
Q
  1. Tiles with less than how many square inches of face area and about 1⁄4 inch thick are called ceramic mosaics? (Page 13-51)
A

6

35
Q
  1. Dry-set mortar can be applied in one layer 3/32 inch thick, and it provides bond strength of how many pounds per square inch? (Page 13-52)
A

500

36
Q
  1. Epoxy mortar can be applied in a bed as thin as what? (Page 13-53)
A

1.8 inch

37
Q
  1. What type of grout is used in industrial areas requiring high resistance to acids and weak alkalies? (Page 13-53)
A

furan resin

38
Q
  1. How many primary steps in tile installation are there? (Page 13-55)
A

three

39
Q
  1. In acoustical celling, the panelse reson on metal members that are called what? (Page 13-62)
A

tees

40
Q
  1. Hardwood strip flooring is available in widths ranging from 1 1⁄2 to how many inches? (Page 13-66)
A

3 1/4 inches

41
Q
  1. To minimize floor squeaks the finish floors should be applied only after the joists have dried to what percent of moisture content or less? (Page 13-67)
A

12%

42
Q
  1. What is the standard thickness for hardboard? (Page 13-70)
A

1/4 inch

43
Q
  1. Particleboard thicknesses range from 1⁄4 inch to what size? (Page 13-70)
A

3/4 inch

44
Q
  1. What is the primary purpose of a structural coating? (Page 13-81)
A

protection

45
Q
  1. What two basic ingredients is paint composed of? (Page 13-83)
A

pigment and a vehicle

46
Q
  1. What types of paints are not recommended for surfaces submerged in water? (Page 13-84)
A

oil-based

47
Q
  1. Epoxy pints have a limited working, or pot, life, usually what time frame? (Page 13-84)
A

1 working day

48
Q
  1. What produce a durable, elastic, and tough surface that normally dries to a high gloss finish that does not easily mar? (Page 13-85)
A

varnishes

49
Q
  1. Stains are obtainable in four different kinds: oil, water, spirit, and what else? (Page 13-85)
A

chemical

50
Q
  1. Whenever possible, allow new plaster to age for at least how many days before painting if oil based paint is being applied? (Page 13-87)
A

30

51
Q
  1. What are used on porous wood, concrete, and masonry to provide a smoother finish coat? (Page 13-90)
A

fillers

52
Q
  1. What are the only three primary true pigmented colors? (Page 13-93)
A

red, blue, yellow

53
Q
  1. You should not add more than how many ounces of tint per gallon of paint? (Page 13-94)
A

4

54
Q
  1. What term refers to a coating pattern that looks like the hide of an alligator? (Page 13-95)
A

alligatoring

55
Q
  1. What is the failure of a new coat of paint to wet and form a continuous film over the preceding coat? (Page 13-95)
A

crawling

56
Q
  1. What requirements must electric wiring and equipment installed or used in the paint shop conform to? (Page 13-101)
A

National Electrical Code (NEC)

57
Q
  1. What are technical bulletins containing information about hazardous material? (Page 13-105)
A

Material Safety Data sheets (MSDSs)

BU3 Advancement (27 decks)

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