Damage to structures and material in a nuclear explosion is due to blast, shock, and fire. Explain order of
16.
nuclear explosion effects that cause most fire damage. (Para 5-8a)
Of the three classes of nonstandard construction outlined in this lesson, which is probably the least
17.
economical of labor and materials? (Para 5-9a(2))
A truck on a construction job can have a maximum of 5000 pounds of 10-foot lumber. If the lumber is long
18.
leaf yellow pine with a moisture content of 15 percent, how many board feet can this truck haul? (Table 5-1)
For supporting piers in a warehouse, structural larch timbers 10 x 10 are available for use. When used in 8-
19.
foot lengths what safe axial load will these timbers support? (Tables 5-1, 5-4)
Materials for the roof of a building will consist of: 660 BF 2 x 4 (rafters), 1500 BF 1 x 6 (sheathing), 1100 sq
20.
ft (roll roofing). Cold weather will lower production to 70 percent. How many days will the roof
construction require if four qualified carpenters work at 10-hour days? (Table 5-5)
5-19
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