Which of the following grades can only be used as blocking?
A) No. 1
B) No. 2
C) Utility
D) Standard
E) Construction
Correct Answer:
Verified
Q17: The approximate density of lumber is
A)55 psf.
B)55
Q18: The cellular structure of wood consists mainly
Q19: If we cut a cross section through
Q20: Structural lumber is typically
A)flat- sawn.
B)quarter- sawn.
C)either A
Q21: A 10- ft- long stud was installed
Q23: Which of the following lumber cross sections
Q24: The actual dimensions of 2 × 12
Q25: Which of the following is not a
Q26: Which of the following grades will not
Q27: The weight of a piece of lumber
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