Beginning in May 2013, the minimum AFUE rating for a new furnace in the southern part of the United States is:
A) 80 percent. B) 60 percent. C) 78 percent. D) 90 percent.
A
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If a stem is longer than ____ in., lateral braces must be placed within 12 in. (300 mm) of the luminaire, or an explosionproof flexible coupling must be used within 12 in. (300 mm) of the junction box.
A. 6 B. 10 C. 12 D. 14
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____ or a change in skin color to gray or yellow-white spots indicates that frostbite has taken place
A) Burning B) Stiffness C) Numbness D) None of these
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In an incomplete circuit, ________
A) No current will flow B) No voltage is present C) Both A and B D) Neither A nor B
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Consumers spend less than $50 billion for dairy products annually.
Answer the following statement true (T) or false (F)
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