AK Drywall Contractor Exam
Questions And Correct Answers
(Verified Answers) Plus Rationale2026
Q&A| Instant Download Pdf
1. What is the primary purpose of installing drywall?
A. Provide thermal insulation
B. Increase building structural strength
C. Create smooth interior wall and ceiling surfaces
D. Create smooth interior wall and ceiling surfaces
Rationale: Drywall is mainly used as a finish material to create smooth,
paintable surfaces.
2. Standard gypsum drywall is most commonly available in what
thickness for walls?
A. 1/8 inch
B. 1/4 inch
C. 1/2 inch
D. 5/8 inch
Rationale: 1/2-inch drywall is the standard thickness used for most
residential wall applications.
3. What type of drywall is required in garages attached to residential
buildings?
,A. Type X
B. Type C
C. Green board
A. Type X
Rationale: Type X provides enhanced fire resistance required by code for
garages attached to living spaces.
4. Which tool is essential for cutting drywall?
A. Hacksaw
B. Reciprocating saw
C. Utility knife
D. Wood chisel
Rationale: Drywall is typically scored and snapped with a utility knife.
5. What is the primary purpose of joint compound?
A. Bond drywall to studs
B. Increase insulation
C. Cover seams and fasteners
D. Prime the wall
Rationale: Joint compound is used to finish the joints and screws to create
a smooth surface.
6. Fire-rated drywall typically contains what added component?
A. Metal mesh
B. Foam
C. Glass fibers
D. Plastic resin
Rationale: Glass fibers help maintain drywall integrity during fire
exposure.
, 7. What is the typical spacing for drywall screws on walls?
A. 8 inches
B. 16 inches
C. 20 inches
D. 24 inches
Rationale: Screws should be placed every 16 inches on studs for proper
support.
8. In ceilings, drywall is generally installed:
A. Vertically
B. Perpendicular to framing
C. Parallel to framing
D. At a 45-degree angle
Rationale: Perpendicular installation minimizes sag and increases rigidity.
9. What is the major advantage of using metal studs?
A. Inexpensive tools
B. Unlimited load-bearing capacity
C. Resistance to warping and rot
D. Higher insulation value
Rationale: Metal studs don’t warp, twist, or rot like wood.
10. A Level 5 drywall finish includes:
A. One coat of mud
B. No sanding
C. Tape only
Questions And Correct Answers
(Verified Answers) Plus Rationale2026
Q&A| Instant Download Pdf
1. What is the primary purpose of installing drywall?
A. Provide thermal insulation
B. Increase building structural strength
C. Create smooth interior wall and ceiling surfaces
D. Create smooth interior wall and ceiling surfaces
Rationale: Drywall is mainly used as a finish material to create smooth,
paintable surfaces.
2. Standard gypsum drywall is most commonly available in what
thickness for walls?
A. 1/8 inch
B. 1/4 inch
C. 1/2 inch
D. 5/8 inch
Rationale: 1/2-inch drywall is the standard thickness used for most
residential wall applications.
3. What type of drywall is required in garages attached to residential
buildings?
,A. Type X
B. Type C
C. Green board
A. Type X
Rationale: Type X provides enhanced fire resistance required by code for
garages attached to living spaces.
4. Which tool is essential for cutting drywall?
A. Hacksaw
B. Reciprocating saw
C. Utility knife
D. Wood chisel
Rationale: Drywall is typically scored and snapped with a utility knife.
5. What is the primary purpose of joint compound?
A. Bond drywall to studs
B. Increase insulation
C. Cover seams and fasteners
D. Prime the wall
Rationale: Joint compound is used to finish the joints and screws to create
a smooth surface.
6. Fire-rated drywall typically contains what added component?
A. Metal mesh
B. Foam
C. Glass fibers
D. Plastic resin
Rationale: Glass fibers help maintain drywall integrity during fire
exposure.
, 7. What is the typical spacing for drywall screws on walls?
A. 8 inches
B. 16 inches
C. 20 inches
D. 24 inches
Rationale: Screws should be placed every 16 inches on studs for proper
support.
8. In ceilings, drywall is generally installed:
A. Vertically
B. Perpendicular to framing
C. Parallel to framing
D. At a 45-degree angle
Rationale: Perpendicular installation minimizes sag and increases rigidity.
9. What is the major advantage of using metal studs?
A. Inexpensive tools
B. Unlimited load-bearing capacity
C. Resistance to warping and rot
D. Higher insulation value
Rationale: Metal studs don’t warp, twist, or rot like wood.
10. A Level 5 drywall finish includes:
A. One coat of mud
B. No sanding
C. Tape only
