The approximate density of lumber is
A) 55 psf.
B) 55 pcf.
C) 35 psf.
D) 75 pcf.
E) 35 pcf.
Correct Answer:
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Q12: In a 2 × 6 stud, the
Q13: Which of the following terms means the
Q14: Flat- sawn lumber is dimensionally more stable
Q15: Wood is
A)stronger across the grain than along
Q16: In the United States, most structural lumber
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
Q22: Which of the following grades can only
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