The Southern Pine Inspection Bureau has established fifteen categories of stress-graded lumber ____ in. or less in thickness.
A) 2
B) 3
C) 4
D) 5
Correct Answer:
Verified
Q10: What are the seven Conditions of Use?
Q11: Woods are divided into two classes: hardwoods
Q12: _ is/are sold by the piece.
A) Molding
Q13: What is the modulus of elasticity?
Q14: Moisture content of lumber air dried for
Q15: What properties of wood does moisture affect?
Q16: Describe the process and methods of lumber
Q17: _ lumber is dressed to a size
Q18: At the center of a tree is
Q20: Wood that maintains a moisture content below
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