Name the four principal hazards of improper or inadequate fuel gas installations.
What will be an ideal response?
ANSWER: 1. poor equipment operation
2. fire
3. explosion
4. asphyxiation
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The reinforced concrete in a slurry wall (deep wall foundation) can range in thickness from 18 inches to _____.
a. 5 feet b. 54 inches c. 4 feet d. 36 inches
A house containing three rooms needs recarpeting. The rooms are all 12'-0" wide by 24'-0" long. Carpet costs $30.50 per square yard and installation on three rooms is $125 per room. What is the total cost to carpet the three rooms?
Fill in the blank(s) with the appropriate word(s).
Most thumbnail sketches ____.
A. are not full-size B. are larger than the final product C. are detailed D. are final prototypes
Which of the following brazing filler metals can be used on copper-to-copper joints without using a flux?
a. Any filler metal with a high silver content. b. A filler metal that contains phosphorus. c. Any BAg classified filler metal. d. A filler metal that contains at least 25 percent zinc.