An advantage of a "series flow" configuration of ground loops is ____.
A. smaller diameter pipes
B. ease of removing trapped air
C. lower installation costs
D. less antifreeze is required
Answer: B
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Approximately ____ of households in the United States have at least one dog
a. 12% c. 39% b. 21% d. 53%
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A ____ can range from a minimum of 16'' (400 mm) square, up to matching the size used to represent the fireplace on the floor plan.
A. masonry chimney B. saddle C. ridge vent D. metal chimney
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Flat-rate times are given in hours and ____________________ of an hour.
Fill in the blank(s) with the appropriate word(s).
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In a typical 280-pound market hog, the four primal cuts will make up about __________ percent of the animal's live weight.
Fill in the blank(s) with the appropriate word(s).
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