The screw-type compressor is used primarily in ____.
A. large industrial refrigeration and air-conditioning systems
B. residential air conditioning
C. small commercial refrigeration units
D. domestic refrigerators
Answer: A
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?Combustion often produces toxic by-products. Which substance is most toxic in terms of minutes to death?
A. ?wool B. ?polystyrene C. ?silk D. ?polyethylene
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Converting 2 3/4 in. to millimeters will round off to ____.
A. 60 mm B. 65 mm C. 70 mm D. 75 mm
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?Under stagnation conditions, fluid in the collector may vaporize.
Answer the following statement true (T) or false (F)
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Italianate-style homes were popular in the United States from about 1895 to 1925.
Answer the following statement true (T) or false (F)
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