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Carpentry Level 2 Exam Questions And
Answers (Guaranteed A+)
What is the main purpose of ceiling joists? - answer✔Ceiling joists tie the exterior walls
together
How should ceiling joists be fastened to wall plates? - answer✔The ceiling joists must be
toenailed to the wall plate with two 82mm (3 1/4") long nails
Identify 3 ways in which ceiling joists can meet on top of interior bearing wall? - answer✔1.
Butted and cleated together
2. Lapped
3. Lapped with blocking between them that is the same thickness as the rafters
How is joist layout affected when joists are lapped over an interior wall? - answer✔The layout
on one exterior wall will be offset by the thickness of the ceiling joists
What must be done to the outside ends of ceiling joists? - answer✔The joists need an angled
cut that matches the roof slope
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What are stub joists? - answer✔Stub joists are short ceiling joists that run at 90 degrees to the
regular joists. They are used on buildings with hip roofs, where the regular joists would
interfere with the rafters
According the the National Building Code, what is the minimum size of an attic access required
for a single family home? - answer✔The minimum size for an attic access in a single family
home is .32m squared with no dimension less than 500 mm (20")
What must be done to the joists if an opening in the ceiling is wider than two joist spacings? -
answer✔The ceiling joists must be doubled on either side of an opening that is wider than two
joist spacings
Where would you find a flush beam required? - answer✔A flush beam would be required in an
area in which no interior bearing wall available to support the ceiling joists and the width of the
building exceeds the maximum allowable span of the joists.
What is a strongback? - answer✔A strongback is an L shaped framing member that is fastened
to the tops of the ceiling joists. The strongback stiffens the joists, reduces the deflection and
maintains proper on-centre spacing.
What is the maximum span for ceiling joists that are 38 mm x 235 #1 grade Western Hemlock
material and spaced 600 mm on-centre - answer✔The maximum span for these ceiling joists is
6.85
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