Chapter 36 Flashcards

1
Q

The two most common types of subfloor for floor coverings are?

A

Concrete and wood panel

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2
Q

The vapor retarder below a concrete slab on ground should be of an extremely low permeability. This requirement is more important if the floor covering is polymer based. True or false?

A

True

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3
Q

The coefficient of friction of a floor surface measures its:

a. water resistance
b. resistance to mold and mildew
c. cleanability
d. slip resistance
e. walking comfort

A

d. slip resistance

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4
Q

For a ceramic tile floor covering on a wood subfloor:

a. a hardboard underlayment is recommended
b. an unsanded plywood underlayment is recommended
c. a sanded plywood underlayment is recommended
d. a cement or fiber- cement backer board underlayment is recommended
e. b or d

A

d. a cement or fiber- cement backer board underlayment is recommended

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5
Q

The terms “ Stone panel and Stone tile” are used interchangeably in building industry. True or false?

A

False

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6
Q

A thick-bed mortar consists of:

a. Portland cement, sand, and water
b. Portland cement, lime, sand, and water
c. Lime, sand, and water
d. Lime, limestone powder, sand, and water
e. none of the above

A

a.

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7
Q

For setting the ceramic tiles on the subfloor, the most commonly used mortar is thick-bed mortar. True or false?

A

False

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8
Q

A thick-bed mortar is proprietary to the manufacturer, while a thin-bed mortar is generic. True or false?

A

False

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9
Q

Stone panel flooring is laid on the subfloor using:

a. the epoxy mortar
b. the polymer-modified Portland cement mortar
c. the thick bed mortar
d. the thin bed mortar
e. any one of the above depending on the type of stone

A

c. thick bed mortar

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10
Q

A notched trowel:

a. is used in laying grout
b. is used in laying thick-bed mortar
c. is used in laying thin bed mortar
d. all of the above
e. none of the above

A

c. is used in laying thin bed mortar

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11
Q

A rubber float:

a. is used in laying grout
b. is used in laying thick bed mortar
c. is used in laying thin bed mortar
d. all of the above
e. none of the above

A

a. is used in laying grout

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12
Q

To ensure that the width of joints between ceramic or natural stone tiles are uniform, the installer uses:

a. a laser beam
b. steel ruler
c. chalk lines
d. 2 x 4 wood straight edge
e. plastic spacers

A

e. plastic spacers

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13
Q

Terrazzo floor covering is like concrete in that it:

a. is a mix of binding agent and aggregate
b. is liquid when placed and cures hard
c. is saw-cut to control cracking
d. all of the above
e. a and b

A

e. a and b

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14
Q

A cementitious terrazzo floor covering is:

a. approximately 3/4 inch thick
b. approximately 1/2 inches thick
c. approximately 1/4 inches thick
d. vapor permeable
e. b and d

A

e. b and d

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15
Q

A cementitious terrazzo floor covering:

a. requires divider strips at spacing not exceeding 3 ft.
b. requires divider strips at spacing not exceeding 4 ft
c. requires divider strips at spacing not exceeding 5ft
d. requires divider strips at a spacing not exceeding 7 ft
e. does not require any divider strips except at floor transitions and change of mix color and pattern

A

c. required divider strips at spacing not exceeding 5ft

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16
Q

A cementitious terrazzo mix is laid on a mortar bed, not directly on the subfloor. True or false?

A

True

17
Q

An epoxy terrazzo mix is laid on a mortar bed, not directly on the subfloor. True or false?

A

False

18
Q

An epoxy terrazzo floor covering:

a. requires divider strips at spacing not exceeding 3 ft.
b. requires divider strips at spacing not exceeding 4 ft
c. requires divider strips at spacing not exceeding 5ft
d. requires divider strips at a spacing not exceeding 7 ft
e. does not require any divider strips except at floor transitions and change of mix color and pattern

A

e. does not require any divider strips except at floor transitions and change of mix color and pattern

19
Q

The carpet pad under a typical broadloom (wall to wall) carpet is typically 1 inch thick. True or false?

A

False

20
Q

The texture of the pile in a fusion bonded carpet is:

a. level loop pile
b. multilevel pile
c. cut pile
d. frieze pile

A

c. cut pile

21
Q

A typical broadloom carpet has two layers of backing. True or false?

A

True

22
Q

To ensure that a broadloom carpet stays in position and does not move, it is typically:

a. stretched and adhered to the subfloor along the room perimeter
b. stretched and tucked under the base trim and adhered to a 4 square ft adhesive patch in the center of the room
c. stretched and hooked to tack strips along the room perimeter
d. any of the above
e. none of the above

A

c. stretched and hooked to tack strips along the room perimeter

23
Q

The floor covering in which the base trim and the floor covering can be made jointless and continuous is:

a. marble panel floor
b. ceramic tile floor
c. epoxy terrazzo floor
d. cementitious terrazzo floor
e. sheet vinyl floor

A

e. sheet vinyl floor

24
Q

The seams between vinyl floor covering sheets are:

a. adhered together with a vinyl adhesive
b. adhered together with a urethane adhesive
c. adhered together with an epoxy resin
d. welded together with hot air
e. welded together with hot air and vinyl bead

A

e. welded together with hot air and vinyl bead

25
Q

A flash cove base is used with:

a. sheet vinyl floor covering
b. vinyl tile floor covering
c. engineered wood floor covering
d. epoxy terrazzo floor covering
e. none of the above

A

a. sheet vinyl floor covering