How do wood and concrete beams usually fail?
A. collapsing
B. 45° shear lines
C. bending
D. buckling
Answer: B
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The floor sheathing in a wood frame structure can be a two-layer sheathing or a one-layer sheathing. What is the difference between the two?
What will be an ideal response?
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Most of the diseases that affect deciduous shrubs are caused by _____
A) bacteria and fungi B) fertilizer C) water D) ticks and mites
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A spread footing is shown on the foundation or basement plan by ____ lines outside the foundation wall lines.
A. curved B. dashed C. solid D. heavy
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Duct systems are designed to provide conditioned air that matches:
A) The needs of the structure. B) The previous duct design installed by the technician. C) The surrounding buildings. D) A duct's total equivalent length.
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