A normal evaporator superheat at the evaporator outlet in a standard efficiency air-conditioning system operating under design conditions will be ____°F.
A. 10
B. 15
C. 20
D. 25
Answer: A
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Class ____ roof coverings are effective against severe fire exposure.
A. A B. B C. C D. D
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You should not cut galvanized pipe with oxyfuels
Indicate whether the statement is true or false.
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A _____________________ is a large lined pool where liquefied manure is kept in order to prevent it from seeping into the ground and contaminating ground water
Fill in the blank(s) with correct word
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The state of matter depends upon:
A) Only on its temperature. B) Only on its pressure. C) Its temperature and pressure. D) The state of matter is not affected by either pressure or temperature.
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