The normal amount of excess air in the flue gas of a properly operating category I gas furnace is approximately
A) 100% B) 25% C) 50% D) 0%
C
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? Identify and state the historical significance of Neal S. Dow.
What will be an ideal response?
A 10 5/8” long piece is cut from the piece of steel angle iron illustrated. If there is 1/8” of waste caused by the kerf of the oxy-acetylene cutting process, what is the length of the remaining piece of angle iron?
Reduce all fractions to their simplest forms. Convert all improper fractions to mixed numbers. Provide answers in the following format:
Fraction: 3/4
Mixed number: 1 5/8
Which of the following types of transformers can be ventilated, air-cooled, or sealed?
a. Dry-type transformers b. Less-flammable liquid-insulated transformers c. Oil-insulated transformers d. Nonflammable fluid-insulated transformers
Mass produced ROMs used in most personal computers to contain the operating system are
A) EEPROMs. B) mask ROMs. C) EPROMs. D) PROMs.