AZ L-5 Carpentry Contractor Exam
Questions And Correct Answers
(Verified Answers) Plus Rationale2026
Q&A| Instant Download Pdf
1. Which of the following woods is considered a hardwood?
A. Pine
B. Cedar
C. Oak
D. Spruce
C. Oak
Hardwoods come from deciduous trees, and oak is a classic example.
2. What is the standard width of a residential interior door?
A. 24 inches
B. 28 inches
C. 30 inches
D. 32 inches
D. 32 inches
Most residential interior doors are 32 inches wide to allow adequate
passage.
3. Which joint is strongest for connecting two pieces of wood at a right
angle?
A. Butt joint
B. Dovetail joint
C. Lap joint
D. Tongue and groove joint
B. Dovetail joint
Dovetail joints provide maximum mechanical strength due to
interlocking shapes.
,4. When using a circular saw, the blade should spin:
A. Away from the operator
B. Toward the operator
C. Either direction
D. At half speed
A. Away from the operator
The blade spins away to prevent kickback and reduce the risk of
injury.
5. What is the main purpose of a level in carpentry?
A. Measure length
B. Check straightness and horizontality
C. Cut wood
D. Join wood pieces
B. Check straightness and horizontality
A level ensures surfaces are perfectly horizontal or vertical.
6. In construction drawings, a double line usually represents:
A. Electrical wiring
B. Wall thickness
C. Plumbing lines
D. Window placement
B. Wall thickness
Double lines indicate the thickness of walls in blueprints.
7. Which tool is best for cutting curves in wood?
A. Circular saw
B. Jigsaw
C. Handsaw
D. Chisel
B. Jigsaw
A jigsaw allows controlled curved cuts, unlike straight-cut tools.
8. What is the nominal size of a 2x4 lumber piece?
A. 2 inches by 4 inches
B. 1.5 inches by 3.5 inches
C. 2.5 inches by 4.5 inches
D. 1 inch by 4 inches
B. 1.5 inches by 3.5 inches
Nominal dimensions are larger than the actual, finished size after
planing.
, 9. Which type of nail is best for framing?
A. Finishing nail
B. Common nail
C. Brad nail
D. Roofing nail
B. Common nail
Common nails have enough thickness and length for structural
framing.
10. When constructing a stair stringer, the rise refers to:
A. Horizontal depth of the tread
B. Vertical height of each step
C. Width of the stair
D. Total stair length
B. Vertical height of each step
Rise is the vertical distance from one step to the next.
11. Which of the following is a softwood?
A. Maple
B. Pine
C. Birch
D. Oak
B. Pine
Softwoods generally come from coniferous trees like pine.
12. What is the function of a carpenter's square?
A. Sawing wood
B. Marking right angles
C. Measuring moisture
D. Sanding surfaces
B. Marking right angles
A square ensures 90-degree angles for accurate cuts and layouts.
13. Which fastener is recommended for outdoor wood projects?
A. Standard steel nail
B. Aluminum screw
C. Galvanized or stainless steel screw
D. Plastic nail
C. Galvanized or stainless steel screw
These resist corrosion from moisture and weather exposure.
Questions And Correct Answers
(Verified Answers) Plus Rationale2026
Q&A| Instant Download Pdf
1. Which of the following woods is considered a hardwood?
A. Pine
B. Cedar
C. Oak
D. Spruce
C. Oak
Hardwoods come from deciduous trees, and oak is a classic example.
2. What is the standard width of a residential interior door?
A. 24 inches
B. 28 inches
C. 30 inches
D. 32 inches
D. 32 inches
Most residential interior doors are 32 inches wide to allow adequate
passage.
3. Which joint is strongest for connecting two pieces of wood at a right
angle?
A. Butt joint
B. Dovetail joint
C. Lap joint
D. Tongue and groove joint
B. Dovetail joint
Dovetail joints provide maximum mechanical strength due to
interlocking shapes.
,4. When using a circular saw, the blade should spin:
A. Away from the operator
B. Toward the operator
C. Either direction
D. At half speed
A. Away from the operator
The blade spins away to prevent kickback and reduce the risk of
injury.
5. What is the main purpose of a level in carpentry?
A. Measure length
B. Check straightness and horizontality
C. Cut wood
D. Join wood pieces
B. Check straightness and horizontality
A level ensures surfaces are perfectly horizontal or vertical.
6. In construction drawings, a double line usually represents:
A. Electrical wiring
B. Wall thickness
C. Plumbing lines
D. Window placement
B. Wall thickness
Double lines indicate the thickness of walls in blueprints.
7. Which tool is best for cutting curves in wood?
A. Circular saw
B. Jigsaw
C. Handsaw
D. Chisel
B. Jigsaw
A jigsaw allows controlled curved cuts, unlike straight-cut tools.
8. What is the nominal size of a 2x4 lumber piece?
A. 2 inches by 4 inches
B. 1.5 inches by 3.5 inches
C. 2.5 inches by 4.5 inches
D. 1 inch by 4 inches
B. 1.5 inches by 3.5 inches
Nominal dimensions are larger than the actual, finished size after
planing.
, 9. Which type of nail is best for framing?
A. Finishing nail
B. Common nail
C. Brad nail
D. Roofing nail
B. Common nail
Common nails have enough thickness and length for structural
framing.
10. When constructing a stair stringer, the rise refers to:
A. Horizontal depth of the tread
B. Vertical height of each step
C. Width of the stair
D. Total stair length
B. Vertical height of each step
Rise is the vertical distance from one step to the next.
11. Which of the following is a softwood?
A. Maple
B. Pine
C. Birch
D. Oak
B. Pine
Softwoods generally come from coniferous trees like pine.
12. What is the function of a carpenter's square?
A. Sawing wood
B. Marking right angles
C. Measuring moisture
D. Sanding surfaces
B. Marking right angles
A square ensures 90-degree angles for accurate cuts and layouts.
13. Which fastener is recommended for outdoor wood projects?
A. Standard steel nail
B. Aluminum screw
C. Galvanized or stainless steel screw
D. Plastic nail
C. Galvanized or stainless steel screw
These resist corrosion from moisture and weather exposure.
