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Interior Design Professional Practice Exam

Category - Interior Design Practice Exam

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Which of the following statement(s) are true about knots in lumber? 

a. Knots may be either tight or loose 
b. Knots strengthen a piece of lumber 
c. The portion of a branch or limb that is embedded in the wood 
d. Knots are caused by improper drying.
  1. b & c
  2. a & c
  3. a & d
  4. c & d
Explanation
Answer: B - Both a & C 
a. Knots may be either tight or loose
c. Round knots are made when the limb is crosscut

Knots in wood can either be tight or loose. A round knot is wood is made when the limb is cross-cut
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