The American Society of Heating Refrigeration and Air Conditioning Engineers (ASHRAE) developed a standard for residential ventilation, commonly referred to as ____.
A. 29.1
B. 43.8
C. 51.5
D. 62.2
Answer: D
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____ is the most common application of the air carbon arc cutting processes.
A. J-grooving B. U-grooving C. Washing D. Gouging
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Provide two considerations that must be taken into account when selecting NEMA or IEC standards for installations.
What will be an ideal response?
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Evaluate: 
Fill in the blank(s) with the appropriate word(s).
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By the 1880s, which European power had extended increased political and economic control over Persia?
a. Russia b. Great Britain c. Germany d. France
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