One of the most challenging areas to create an effective envelope is the ____ of finished rooms above garages, where a poor air-seal can allow carbon monoxide and other poisonous gases to enter the living space.
A. ceiling
B. floor
C. walls
D. windows
Answer: B
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Ducks Unlimited was established by President Roosevelt and sport hunters to promote hunting ethics
a. True b. False Indicate whether the statement is true or false
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A transformer with more turns of wire in the primary winding than in the secondary winding is known as a ____.
A. welding transformer B. low-amperage transformer C. step-down transformer D. high-voltage transformer
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Each year, Americans spend over $___ billion on companion animals
a. 5 c. 25 b. 15 d. 45
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An angle gear is designed with teeth at 45, 60, or 90 degrees to each other.
Answer the following statement true (T) or false (F)
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