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construction test
  • Mclovin

  • 問題数 89 • 6/4/2024

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    問題一覧

  • 1

    The most important factor is _____, when installing a heavy metal door.

    the size of the rough opening

  • 2

    What is the recommended method of attachment to metal studs (2 layers)?

    1 5/8-inch screw

  • 3

    What would cause dark lines in the paper, after a ceiling has been textured?

    asphalt adhesive coming through mud

  • 4

    You are told to first cut a sheet of gypsum board to size for a curved wall and then to score the back of the sheet at 1-inch intervals.

    this is the correct procedure

  • 5

    Use ______ when welding exterior studs.

    metallic

  • 6

    Veneer paneling is found in the

    space between office partitions

  • 7

    _________ welded is found where workers are making up a scaffold with tubular pipe:

    oxyacetylene

  • 8

    The correct stud to use for one layer of vinyl finish board is ___, so the electrician can install conduit.

    CH

  • 9

    _____ is used to fasten face sheet to drywall

    screws

  • 10

    If the general application for screw fasteners on a suspended ceiling is 12 inches o.c., what application would be necessary for the ceiling to be fire-rated?

    8 inches o.c.

  • 11

    What causes a texture mix to be "lumpy?"

    adding too much water

  • 12

    How do you prevent cracking at corners, when installing drywall?

    nail only the bottom layer and float the top

  • 13

    If a drywall mechanic sprayed a ceiling before the joint has dried, the results would be:

    ridging

  • 14

    Which type of studless partition would weigh the least

    60" o.c. stud partition

  • 15

    What could be the cause, if texturing is not sticking to the ceiling?

    too much liquid

  • 16

    What is the fire rating on a 2 inch x 4 inch wall with 5/8 Type X on each side

    1 hour

  • 17

    The tool which is used for texturing over drywall is:

    16-inches texture blade or spray gun

  • 18

    What would you use to repair a cracked or damaged texture coat

    a texture patcher

  • 19

    To seal water board you would:

    leave 1/4-inch space above tub for caulking

  • 20

    The reason may be ______, if a texture spray fails to stick to the ceiling.

    too much water

  • 21

    ____________ will increase soundproofing:

    stop up leaks in floors and ceilings

  • 22

    What is not correct about steel studs used for partitions?

    they come in 24 feet lengths

  • 23

    What is "spaling"?

    cracking, breaking, or splintering of material

  • 24

    What is the best method of repairing tape that has blistered?

    open up blistered area by splitting tape. Fill cut with joint compound and press tabe in place with knife blade. when dry smooth to level finish

  • 25

    When applying texture to a wall where the roughness of the surface is inconsistent, how would you first prepare the wall?

    sand with 80- grit sand paper

  • 26

    A scaffolding must be ___ high before you need a safety rail

    7 1/2 feet

  • 27

    Cracking on gypsum would most likely occur because of the:

    alignment of joints

  • 28

    The best interlocking partition is:

    tongue and grooved

  • 29

    The least affected by the humidity factor at a project is:

    drywall

  • 30

    Where are rips used?

    to finish a ceiling

  • 31

    What is the disadvantage of putting two light boxes on the same stud when installing moveable partitions?

    reduced sound control

  • 32

    ______ is NOT needed in a heavy metal door and frame.

    floor jamb

  • 33

    _______ is NOT true, about applying water-resistant panels in a bathroom:

    tape panels in areas to be tiled

  • 34

    What does O.C. mean?

    on center

  • 35

    The spacing for carrying channel on a suspended ceiling:

    depends on size of the ceiling furring channels

  • 36

    The best method of installing drywall parallel to the studs is:

    5/8-inch drywall fastened at 16 inches o.c.

  • 37

    Gypsum board is not always the same texture and porosity. To compensate for this you should:

    apply a cost of paint as a sealer

  • 38

    Steel studs are treated because:

    prevents rust

  • 39

    Which type of studless partiton provides the highest fire rating?

    5/8 inch drywall

  • 40

    Which type of gypsum wallboard can you apply-water-bsde texture?

    5/8-inch regular gypsum wallboard

  • 41

    What are Z-bar applications used for?

    masonry

  • 42

    When attaching ceramic tile, you do not need to tape the walls.

    True

  • 43

    A drywall mechanic installed 5/8-inch drywall in a ceiling using Type W screws spaced 12 inches on center on the edges, ends, and in the field, with screw heads slightly below the surface.

    This is the correct procedure

  • 44

    For an exterior soffit you would use:

    fiber board

  • 45

    When surfacing walls in a repair project, _______ NOT correct:

    no need to fill small holes that will be covered by the new drywall

  • 46

    What technique would you use, when applying gypsum board to a curved wall?

    decrease distance between studs

  • 47

    Which is NOT correct, when applying tongue-and-groove gypsum sheathing?

    when sheathing is installed, the groove should be installed facing up

  • 48

    What kind of furring strips should be used in an masonry block wall?

    Z-Bar

  • 49

    Which one of the following statements about drywall mud is NOT correct?

    may be delivered two months early, ages well

  • 50

    How many coats of joint compound and layers of tape do you need for a factory edge?

    3 coats compound, 1 layer of tape

  • 51

    What is NOT the right thing to do, if you are going to nail 3/8-inch drywall over existing drywall?

    omit filling small homes because they will be covered with the new face

  • 52

    What type of stud would you use if a customer wanted a partition wall set up in a hurry?

    H

  • 53

    The normal height for office partitions is

    7 feet

  • 54

    Nails are spaced ______, in double nailing

    2 to 2 1/2 inches apart

  • 55

    The best means of securing rigid plastic foam, plus 5/8-inch face-ply to a concrete wall is:

    Z-Bar

  • 56

    When installing a rail-high partition:

    you may use a steel runner for the base and top rail

  • 57

    What should boards supporting drywall stacks be

    4 inches or more stacked vertical

  • 58

    Gypsum board may be mounted with adhesive to a concrete wall with cut nails. When this is done, the nails are placed:

    at the bottom and top of the board

  • 59

    You should ________, when storing drywall to be used on a job.

    stack flat on clean floors in the center of the largest rooms

  • 60

    The best choice of hardware for a 5/8 inch drywall application to affix layer of drywall over a foam-insulated wall:

    resilient channel

  • 61

    When applying drywall to a suspended ceiling system, screw fasteners are spaced a maximum of ___ inches o.c. in the field of the board, and ___ o.c. along abutting ends and edges of the board.

    12 inches and 12 inches

  • 62

    If 12 feet long gypsum boards are stored on risers, they should be at least 4 inches wide and placed directly under each other vertically within ____ inches of board ends and no greater than ____ inches apart

    2"/23"

  • 63

    Damaging vinyl covering in a wall is caused by

    laminating adhesive

  • 64

    If money is no object, what would you use in a business office to achieve wood finished on walls?

    solid wood paneling

  • 65

    ______ is when the edge of gypsum board runs vertically with the studs:

    parallel perpendicular

  • 66

    The term "hide" pertains to:

    textured walls

  • 67

    A double brush is used for texturing because:

    faster and covers more area

  • 68

    What should you do when you paint over a texture coat

    use a king-nap roller

  • 69

    Where would you find wood-grain gypsum panels?

    kitchens

  • 70

    How do you match up new partition walls with existing partitions on a remodeling job?

    stack up on walls and match first

  • 71

    The advantage of installing two layers of Type X drywall is:

    fire resistant and sound insulation

  • 72

    How far apart should steel studs be placed, when are used as hangers in a suspended ceiling?

    4 feet

  • 73

    For heavy metal doors double metal studs should be installed:

    on each side of the jamb

  • 74

    The limiting height in solid partitions is:

    14 feet

  • 75

    Use _______ for the best method of fire protection.

    3 layers of 5/8-inch attached to metal studs

  • 76

    What system would give the greatest fire protection to a column?

    3 layers- 5/8 inch Type X screwed to 1 5/8-inch metal studs

  • 77

    When installing pre-decorated gypsum board, and you find there are differences in color, pattern or finish, where should you place the different sheets?

    at the corner

  • 78

    What would be least likely to happen, if gypsum board is stocked vertically?

    ridging

  • 79

    A sealer _____ to a wall

    allows paint to go on evenly

  • 80

    If a drywall mechanic is crimping corner bead, you would expect that:

    this is a normal installation

  • 81

    A water-level hose is filled by:

    should be siphon filled

  • 82

    Of the following, which system of demountable partitions could be erected in the shortest possible time?

    H-Stud

  • 83

    How would you attach gypsum board to a block wall?

    cut joints blush and fill large pockets with mortar

  • 84

    You are working on a 6 ft. X 2 1/2 ft., 5 ft. High., metal rolling scaffold. It's rollers rest on a surface that is 2 degrees from level. When it comes time to move the scaffold to a different area, you instruct a worker to move the scaffold while you are still on it. You have proceeded:

    correctly

  • 85

    Drywall should be nailed off at

    the edge

  • 86

    The surface around screws that bulge onab dry wall is caused by

    screw is too deep, breaking face paper

  • 87

    A "dimple" is

    a slight depression in the gypsum board around a properly driven nail or screw

  • 88

    The best drywall to which to apply water-base texture is:

    1/2-inch or 5/8-inch drywall

  • 89

    What system of demonstrable partitions is designed to best allow erection of only one side of the partition so other trades can work?

    T-Stud