UPDATE FAST REVIWED FROM ACTUAL TEST
100 QUESTIONS AND 100% VERIFIED ANSWERS|
A+ GRADE Q&A | INSTANT DOWNLOAD PDF
1. What is the standard thickness of most residential gypsum drywall?
A. ¼ inch
B. ½ inch
C. ¾ inch
D. 1 inch
Italics: ½ inch is the most commonly used drywall thickness for residential walls and
ceilings.
2. Which type of drywall is specifically designed for areas with high moisture?
A. Fire-rated
B. Sound-proof
C. Moisture-resistant (green board)
D. Sag-resistant
Italics: Moisture-resistant drywall is treated to slow moisture absorption in bathrooms
and kitchens.
3. Type X drywall is primarily used for what purpose?
A. Decorative finishes
B. Fire resistance
C. Soundproofing
D. Moisture protection
Italics: Type X contains additives that improve fire resistance according to code
requirements.
4. What fastener is most commonly used to attach drywall to wood studs?
A. Nails
B. Drywall screws
C. Staples
D. Bolts
Italics: Drywall screws provide secure attachment with less popping than nails.
5. What is the minimum distance screws should be placed from the edge of a drywall panel?
A. ¼ inch
B. 3/8 inch
C. ½ inch
D. 1 inch
Italics: 3/8 inch prevents the paper from tearing when driving screws near the edge.
6. When installing drywall on ceilings, what is the recommended direction for seams?
A. Parallel to joists
B. Perpendicular to joists
C. Diagonal to joists
D. Random orientation
Italics: Perpendicular installation minimizes sag and increases strength.
, 7. What is the purpose of a drywall corner bead?
A. Easier painting
B. Moisture barrier
C. Protect and finish outside corners
D. Increase insulation
Italics: Corner beads create a strong, straight edge that resists damage.
8. What tool is used to cut drywall?
A. Hammer
B. Utility knife
C. Screwdriver
D. Chisel
Italics: A utility knife scores and snaps drywall cleanly.
9. What compound is applied between drywall boards to create a smooth surface?
A. Paint
B. Adhesive
C. Joint compound (mud)
D. Primer
Italics: Joint compound fills seams and covers tape for an even surface.
10. What type of tape is most commonly used on drywall joints?
A. Plastic
B. Metal
C. Paper tape
D. Fiberglass only
Italics: Paper tape is strong and embeds well in joint compound.
11. How many coats of joint compound are typically applied on seams?
A. One
B. Two to three
C. Four
D. Five or more
Italics: Multiple coats ensure smooth transitions and hide tape.
12. What is the purpose of sanding drywall joints?
A. Increase thickness
B. Smooth surface for finishing
C. Waterproof
D. Color coating
Italics: Sanding creates a uniform surface before priming and painting.
13. What safety equipment is essential when sanding drywall?
A. Gloves
B. Dust mask/respirator
C. Ear plugs
D. Steel-toe boots
Italics: Drywall dust is fine and inhalation hazards require respiratory protection.
14. What is the minimum fire-rating requirement for a garage ceiling attached to a residence?
A. None
B. 15 minutes
C. 30 minutes