How can a technician tell the difference between an upflow furnace and a downflow furnace?
What will be an ideal response?
The upflow furnace has the blower located below the heat exchanger and air is pushed upward, while a downflow furnace has the blower located above the heat exchanger and air is pushed downward.
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A heat pump bi-flow filter drier is installed _____.
a. in the vapor line b. in the liquid line c. at the suction service valve d. before the reversing valve
El tipo de techo indicado con la letra F en la Figura 1 es un techo _____.
a. de soporte interior
b. a un agua
c. de cubierta a la holandesa
d. de soporte interior y
soporte interior "valley"
Which of the following do you think was the most significant battle of the Civil War: Antietam, Gettysburg, or Vicksburg in foreclosing the possibility of a Confederate military victory in the war? Defend your selection with specific reasons.
What will be an ideal response?
How warm is the supply air of an electric furnace compared to gas or oil fired furnaces?
A) Supply air temperatures for electric furnaces are higher B) Supply air temperatures for electric furnaces are lower than oil furnaces, but higher than gas furnaces C) Supply air temperatures are about the same D) Supply air temperatures for electric furnaces are lower