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Wood Destroying Certification exam questions and answers
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Wood Destroying Certification exam questions and answers
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Wood DestroyingCertification exam questions
and answers
Cambium Layer - answer Between the inner bark and the sapwood.
Responsible for the tree's outward growth in diameter and
circumference.
Heartwood - answer Generally has greater resistance to insect
attack and decay by fungi and does not absorb chemical treatment
as well because the cellular channels become clogged
Fiber Saturation Point - answer Averages about 28% moisture
content (with a range of 25 - 30%)
Eastern Subterranean Termite - answer Most important and most
common termite in North Carolina
Protozoa - answer Termites have this in their hindgut which break
down cellulose into products termites can digest.
Cellulose - answer Wood is composed mostly of this and termites
cannot break it down/digest it.
Winged Termites - answer straight antennae, thick waists and four
long wings equal size and shape
Winged Ants - answer elbowed antennae, narrow waist and two
front wings that are larger than the two hind wings
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