In the average year-round installation, the cooling mode will require more cfm than the heating mode.
Answer the following statement true (T) or false (F)
True
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137.65 - 18.9 = 135.76?
Answer the following statement true (T) or false (F)
Explain the four strokes of the gasoline engine.
What will be an ideal response?
If the root opening is narrower on one side of the pipe and wider on the other it is difficult to ________ in the narrow opening
A) Melt contaminants B) Control fusion C) Reduce arc length D) none of the above
What is a secondary refrigerant?
A) A secondary refrigerant adds extra cooling capacity to the primary refrigerant. B) A secondary refrigerant is used to replace an older CFC or HCFC. C) A secondary refrigerant absorbs heat through temperature change only. D) A secondary refrigerant is used in the second stage of a staging system.