In a balloon construction, ____ are used to support the second-floor joists.
a.bands
b.ribbons
c.bridges
d.girders
ANS: B
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Which of the following ingredients and conditions would be more likely to produce photochemical smog?
A. sulfur, PM and high humidity B. coal dust and carbon dioxide C. HC+NOx+sunlight+time D. PM and VOCs
As a component of ruminant animal feed, which is a synthetic source of nitrogen made from
atmospheric nitrogen, water, and carbon?
a. urea c. rumen bacteria b. nitrate d. whey
A technician has spent 1.6 hours to service the cooling system, 2.1 hours to R&R one knock sensor, 1.8 hours to R&R the water pump. The knock sensor was $56.97, the water pump was $276.42, and the coolant was $3.16/qt. Seven quarts were required. The labor rate is $77.50/hour and the tax rate on parts is 7.3%. Determine the following: Total labor charge
Fill in the blank(s) with the appropriate word(s).
The peak-to-peak value can be determined by ____ the peak values of the two alternations.
A. multiplying B. dividing C. subtracting D. adding