DRYWALL INSTALLER PRACTICE Questions
With Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
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1. What is the primary purpose of drywall in construction?
A. Structural support
B. Electrical insulation
C. Interior wall and ceiling finishing
D. Roofing base
Answer: C. Interior wall and ceiling finishing
Drywall is used to create smooth interior surfaces for walls and ceilings.
2. What tool is commonly used to cut drywall sheets?
A. Hammer
B. Utility knife
C. Circular saw
D. Wrench
Answer: B. Utility knife
A utility knife allows clean scoring and snapping of drywall sheets.
3. What is used to cover joints between drywall sheets?
A. Cement
B. Tape and joint compound
,C. Paint
D. Glue
Answer: B. Tape and joint compound
Joint compound and tape create a smooth seamless finish over joints.
4. What type of drywall is used in bathrooms?
A. Regular drywall
B. Fire-rated drywall
C. Moisture-resistant drywall
D. Exterior plywood
Answer: C. Moisture-resistant drywall
Green board or moisture-resistant drywall is used in wet areas.
5. What is another name for drywall joint compound?
A. Mud
B. Cement
C. Plaster
D. Adhesive
Answer: A. Mud
Joint compound is commonly called “mud” in the trade.
6. What fastener is used to attach drywall to studs?
A. Bolts
B. Nails only
C. Screws
D. Rivets
,Answer: C. Screws
Screws provide stronger and more secure fastening than nails.
7. What is the standard thickness of drywall for walls?
A. 1/8 inch
B. 1/4 inch
C. 1/2 inch
D. 1 inch
Answer: C. 1/2 inch
Half-inch drywall is most commonly used for interior walls.
8. What is the purpose of drywall tape?
A. Decoration
B. Reinforce joints
C. Waterproofing
D. Painting base
Answer: B. Reinforce joints
Tape prevents cracks at drywall seams.
9. What tool is used to apply joint compound?
A. Saw
B. Trowel or taping knife
C. Drill
D. Level
Answer: B. Trowel or taping knife
These tools help spread compound smoothly over joints.
, 10. What is the first coat of joint compound called?
A. Finish coat
B. Base coat
C. Tape coat
D. Primer coat
Answer: C. Tape coat
The tape coat embeds drywall tape into joints.
11. What is the purpose of sanding drywall?
A. Strengthening
B. Smoothing surface
C. Waterproofing
D. Cutting edges
Answer: B. Smoothing surface
Sanding removes imperfections for painting.
12. What safety equipment is essential when sanding drywall?
A. Gloves only
B. Helmet
C. Dust mask
D. Boots
Answer: C. Dust mask
Drywall dust is harmful when inhaled.
With Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
Download Pdf
1. What is the primary purpose of drywall in construction?
A. Structural support
B. Electrical insulation
C. Interior wall and ceiling finishing
D. Roofing base
Answer: C. Interior wall and ceiling finishing
Drywall is used to create smooth interior surfaces for walls and ceilings.
2. What tool is commonly used to cut drywall sheets?
A. Hammer
B. Utility knife
C. Circular saw
D. Wrench
Answer: B. Utility knife
A utility knife allows clean scoring and snapping of drywall sheets.
3. What is used to cover joints between drywall sheets?
A. Cement
B. Tape and joint compound
,C. Paint
D. Glue
Answer: B. Tape and joint compound
Joint compound and tape create a smooth seamless finish over joints.
4. What type of drywall is used in bathrooms?
A. Regular drywall
B. Fire-rated drywall
C. Moisture-resistant drywall
D. Exterior plywood
Answer: C. Moisture-resistant drywall
Green board or moisture-resistant drywall is used in wet areas.
5. What is another name for drywall joint compound?
A. Mud
B. Cement
C. Plaster
D. Adhesive
Answer: A. Mud
Joint compound is commonly called “mud” in the trade.
6. What fastener is used to attach drywall to studs?
A. Bolts
B. Nails only
C. Screws
D. Rivets
,Answer: C. Screws
Screws provide stronger and more secure fastening than nails.
7. What is the standard thickness of drywall for walls?
A. 1/8 inch
B. 1/4 inch
C. 1/2 inch
D. 1 inch
Answer: C. 1/2 inch
Half-inch drywall is most commonly used for interior walls.
8. What is the purpose of drywall tape?
A. Decoration
B. Reinforce joints
C. Waterproofing
D. Painting base
Answer: B. Reinforce joints
Tape prevents cracks at drywall seams.
9. What tool is used to apply joint compound?
A. Saw
B. Trowel or taping knife
C. Drill
D. Level
Answer: B. Trowel or taping knife
These tools help spread compound smoothly over joints.
, 10. What is the first coat of joint compound called?
A. Finish coat
B. Base coat
C. Tape coat
D. Primer coat
Answer: C. Tape coat
The tape coat embeds drywall tape into joints.
11. What is the purpose of sanding drywall?
A. Strengthening
B. Smoothing surface
C. Waterproofing
D. Cutting edges
Answer: B. Smoothing surface
Sanding removes imperfections for painting.
12. What safety equipment is essential when sanding drywall?
A. Gloves only
B. Helmet
C. Dust mask
D. Boots
Answer: C. Dust mask
Drywall dust is harmful when inhaled.
