A condensing boiler burner is typically vented by way of _____
a. a masonry chimney
b. Type B vent pipe
c. Schedule 40 PVC pipe
d. a lined masonry chimney
c
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Which of the following species of wood is not a softwood?
A) Cedar B) Oak C) Redwood D) Pine E) Fir
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When did it become illegal to "intentionally" vent CFC refrigerants to the atmosphere?
What will be an ideal response?
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Which of the following is considered a natural or normal roof opening?
A. Parapet B. Skylight C. Soffit D. Fire stop
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The crankcase pressure regulator (CPR) puts a limit on the pressure that can return to the compressor.
Answer the following statement true (T) or false (F)
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