When installing a rooftop package unit, proper airflow through the condenser fan is critical. The minimum free clearance air space above the condenser fan should be:
A) 48 inches B) 72 inches C) 12 inches D) 60 inches
D
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? Identify and state the historical significance of Hinton R. Helper.
What will be an ideal response?
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The term ______ refers to when your event happened or when it will happen
Fill in the blank(s) with correct word
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Which type of glove is damaged by contact with petroleum products or solvents?
A) Nitrile B) Latex C) Both A and B D) Neither A nor B
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Above what temperature do most refrigerant oils begin to break down chemically?
A) 300°F B) 250°F C) 200°F D) 150°F
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