Wood, Fabric and Finishes Exam
Questions and Answers Graded A+
Which statement about wood decay is correct?
A. Decay that occurs before the wood is seasoned does not affect the strength of
the finished piece.
B. A limited amount of certain kinds of decay is acceptable in aircraft woods since
decay affects the binding between the fibers and not the fibers themselves.
C. Decay is not acceptable in any form or amount. - Correct answer-C. Decay is
not acceptable in any form or amount.
Laminated wood is sometimes used in the construction of highly stressed aircraft
components. This wood can be identified by its.
A. Parallel grain construction.
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,B. Similarity to standard plywood construction.
C. Perpendicular grain construction. - Correct answer-A. Parallel grain
construction.
Which of the following conditions will determine acceptance of wood with mineral
streaks?
A. Careful inspection fails to reveal any decay.
B. They produce only a small effect on grain direction.
C. Local irregularities do not exceed limitations specified for spiral and diagonal
grain. - Correct answer-A. Careful inspection fails to reveal any decay.
Laminated wood spars may be substituted for solid rectangular wood spars...
A. Only in certain instances where the primary load is shared by one or more other
original structural member.
B. If the same quality wood is used in both.
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, C. Only upon specific approval by the manufacturer or the FAA. - Correct answer-
B. If the same quality wood is used in both.
Any wooden member that has been overstressed is subject to which type of failure?
A. Bond failure.
B. Compression Failure.
C. Finish Failure. - Correct answer-B. Compression Failure.
The strength of a well-designed and properly prepared wood splice joint is
provided by the..
A. Bearing surface of the wood fibers.
B. Glue.
C. Reinforcement plates. - Correct answer-B. Glue.
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Questions and Answers Graded A+
Which statement about wood decay is correct?
A. Decay that occurs before the wood is seasoned does not affect the strength of
the finished piece.
B. A limited amount of certain kinds of decay is acceptable in aircraft woods since
decay affects the binding between the fibers and not the fibers themselves.
C. Decay is not acceptable in any form or amount. - Correct answer-C. Decay is
not acceptable in any form or amount.
Laminated wood is sometimes used in the construction of highly stressed aircraft
components. This wood can be identified by its.
A. Parallel grain construction.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,B. Similarity to standard plywood construction.
C. Perpendicular grain construction. - Correct answer-A. Parallel grain
construction.
Which of the following conditions will determine acceptance of wood with mineral
streaks?
A. Careful inspection fails to reveal any decay.
B. They produce only a small effect on grain direction.
C. Local irregularities do not exceed limitations specified for spiral and diagonal
grain. - Correct answer-A. Careful inspection fails to reveal any decay.
Laminated wood spars may be substituted for solid rectangular wood spars...
A. Only in certain instances where the primary load is shared by one or more other
original structural member.
B. If the same quality wood is used in both.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
, C. Only upon specific approval by the manufacturer or the FAA. - Correct answer-
B. If the same quality wood is used in both.
Any wooden member that has been overstressed is subject to which type of failure?
A. Bond failure.
B. Compression Failure.
C. Finish Failure. - Correct answer-B. Compression Failure.
The strength of a well-designed and properly prepared wood splice joint is
provided by the..
A. Bearing surface of the wood fibers.
B. Glue.
C. Reinforcement plates. - Correct answer-B. Glue.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
