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.
You might also like to view...
Two legs of a transmission line tower are each inclined 11°? from the vertical. What is the? angle between the two legs?
Fill in the blank(s) with the appropriate word(s).
Who was the first female American physician in the United States?
A. Elizabeth Blackwell B. Sally Tompkins C. Dorothea Dix D. Clara Barton E. Mary Todd
Small engines have a device called a _____ that mixes gasoline with air
A) cylinder? B) carburetor? C) piston? D) compressor
When ____ are applied to a circuit, be sure that the power is turned off.
a. voltmeters b. amperemeters c. wattmeters d. ohmmeters