Exam Questions With Correct Answers
(Verified Answers) Plus Rationales 2026 Q&A |
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1. Which of the following is the primary responsibility of a master
carpenter?
a) Painting interiors
b) Supervising and coordinating construction projects
c) Installing plumbing fixtures
d) Operating heavy machinery
Rationale: A master carpenter oversees the project, manages
workers, and ensures quality workmanship, rather than
performing tasks outside carpentry.
2. What is the standard height for residential stair risers in most
building codes?
a) 6 inches
b) 7 inches
c) 7 3/4 inches
d) 8 1/2 inches
Rationale: Most building codes specify a maximum riser height of
7 3/4 inches for safety and comfort.
3. When constructing a load-bearing wall, which material is most
commonly used?
a) Plywood
, b) Dimensional lumber
c) Drywall
d) Particleboard
Rationale: Dimensional lumber like 2x4 or 2x6 is designed to carry
structural loads safely.
4. What is the primary purpose of a header over a door or window?
a) Decorative trim
b) To distribute the load around the opening
c) Prevent moisture intrusion
d) Provide a nailing surface for drywall
Rationale: Headers transfer weight from above the opening to
adjacent studs.
5. Which joint is strongest for connecting two pieces of wood at a
right angle?
a) Butt joint
b) Lap joint
c) Mortise and tenon joint
d) Dado joint
Rationale: Mortise and tenon joints provide maximum strength
and stability for structural connections.
6. When using a table saw, what is the safest way to feed wood
through the blade?
a) Push with hands directly
b) Use a push stick or push block
c) Pull the wood backward
d) Feed the wood at an angle to the blade
, Rationale: Push sticks keep hands away from the blade while
maintaining control.
7. In roof framing, what is the function of a ridge board?
a) Provide insulation
b) Support the upper ends of rafters
c) Act as a water barrier
d) Finish interior ceiling
Rationale: The ridge board runs along the peak and provides a
nailing surface for rafters.
8. Which type of wood is generally considered the hardest?
a) Pine
b) Cedar
c) Hickory
d) Poplar
Rationale: Hickory is very dense and resistant to wear, making it
suitable for flooring and heavy-use applications.
9. What is the minimum overlap for plywood subfloor panels on
joists?
a) 8 inches
b) 12 inches
c) 16 inches
d) 24 inches
Rationale: Overlapping by 16 inches ensures panel stability and
prevents squeaking.
10. When installing cabinets, what is the recommended spacing
between cabinet base and wall?
a) No spacing