FREE AND STUDY GAMES ABOUT 1 WOOD STRUCTURES

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FREE AND STUDY GAMES ABOUT 1 WOOD STRUCTURES

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -16 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Which statement about wood decay is correct?

Answer:

Decay is not acceptable in any form or amount.Question 2: Laminated wood is sometimes used in the construction of highly stressed aircraft components. This wood can be identified by its

Answer:

parallel grain construction.

Question 3: The I-beam wooden spar is routed to

Answer:

reduce weight.Question 4: A faint line running across the grain of a wood spar generally indicates

Answer:

compression failure.

Question 5: Which statement concerning wood decay is correct?

Answer:

Any form or amount of decay is not permitted.Question 6: Where is information found concerning acceptable species substitutions for wood materials used in aircraft repair?

Answer:

AC 43.13-1B.

Question 7: Which of the following conditions will determine acceptance of wood with mineral streaks?

Answer:

Careful inspection fails to reveal any decay.Question 8: The strength of a well-designed and properly prepared wood splice joint is provided by the

Answer:

glue

Question 9: The cantilever wing uses

Answer:

no external bracing.Question 10: Pin knot clusters are permitted in wood aircraft structure provided

Answer:

they produce a small effect on grain direction.Question 11: Compression failures in wood aircraft structures are characterized by buckling of the fibers that appear as streaks on the surface

Answer:

at right angles to the grain.Question 12: Laminated wood spars may be substituted for solid rectangular wood spars

Answer:

if the same quality wood is used in both.

Question 13: Glue deterioration in wood aircraft structure is indicated

Answer:

when a joint has separated and the glue surface shows only the imprint of the wood with no wood fibers clinging to the glue.Question 14: In cases of elongated bolt holes in a wood spar or cracks in the vicinity of boltholes,

Answer:

a new section of spar should be spliced in or the spar replaced entirely.Question 15: When patching a plywood skin, abrupt changes in cross-sectional areas which will develop dangerous stress concentration should be avoided by using

Answer:

circular or elliptical patches.Question 16: Any wooden member that has been overstressed is subject to which type of failure?

Answer:

Compression.