Questions And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A |
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1. What is the primary purpose of a subfloor?
A. To provide a decorative finish
B. To provide structural support for the floor covering
C. To act as a moisture barrier
D. To insulate the floor
The subfloor distributes weight and provides a stable base for
flooring installation.
2. Which type of flooring is most resistant to moisture?
A. Carpet
B. Hardwood
C. Vinyl
D. Laminate
Vinyl is water-resistant and suitable for areas prone to moisture,
unlike wood or carpet.
3. What is the recommended acclimation time for hardwood flooring
before installation?
A. 24 hours
B. 48 hours
, C. 72 hours
D. 1 week
Acclimation allows the wood to adjust to the room's
temperature and humidity to prevent warping.
4. Which tool is essential for checking floor level before installation?
A. Hammer
B. Screwdriver
C. Level
D. Tape measure
Using a level ensures the floor is even, which prevents
installation issues and flooring damage.
5. What is the most common adhesive for vinyl sheet flooring?
A. Cement
B. Acrylic-based adhesive
C. Epoxy
D. Latex paint
Acrylic-based adhesives are flexible, strong, and suitable for vinyl
installation.
6. What is the minimum expansion gap required around the
perimeter of a hardwood floor?
A. 1/16 inch
B. 1/4 inch
C. 1/2 inch
D. 1 inch
Expansion gaps allow hardwood to expand and contract with
changes in humidity without buckling.
, 7. Which flooring type is considered “floating” and does not require
nailing or gluing to the subfloor?
A. Solid hardwood
B. Laminate
C. Ceramic tile
D. Vinyl sheet
Floating floors interlock over the subfloor and expand/contract
independently.
8. What is the best method to prepare a concrete subfloor for tile
installation?
A. Sweep it clean
B. Clean, level, and apply a primer or thin-set
C. Paint it
D. Place underlayment only
Proper subfloor preparation ensures strong adhesion and
prevents tile cracking.
9. Which moisture level in concrete is generally safe for hardwood
installation?
A. 5%
B. 10%
C. <3%
D. 15%
Excess moisture can lead to warping or cupping in hardwood
flooring.
10. When installing carpet, what is the purpose of a tack strip?
A. To provide padding
B. To hold the carpet edges in place