The framing members in a WLF building are generally
A) 3-by solid lumber members.
B) 1-by solid lumber members.
C) 4-by solid lumber members.
D) 2-by solid lumber members.
E) none of the above.
D) 2-by solid lumber members.
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A coating of aluminum on steel panels provides longer-lasting protection than zinc because it _____.
a. is not water soluble b. can be applied more evenly c. reflects damaging heat d. does not oxidize
A high carbon steel containing 1.13 percent carbon, with a microstructure similar to that in Fig. 18.36, is heated to 730°C and allowed to come to equilibrium. It is then quenched too room temperature. Make a sketch of the resulting microstructure, identifying the constituents.
What will be an ideal response?
The original Morrill Land-Grant Act was passed in what year?
a. 1776 b. 1862 c. 1940 d. 2000
Why should caution be exercised when replacing a low-efficiency air filter with a higher-efficiency air filter?
A) It is possible for air that is too clean to increase the occupant's sensitivity to allergens. B) The lower pressure drop across high-efficiency filters can cause the blower motor to draw high amps. C) Higher-efficiency filters have a higher pressure drop, which can cause poor airflow. D) Air-conditioning coils depend on a certain amount of small particulates to help moisture precipitate out of the air.