Better grades of sheet steel are coated with ____________________ ounces of
____________________ per square foot.
Fill in the blank(s) with the appropriate word(s).
ANS: two, zinc
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What type of draft system uses fans, located at the top of the furnace, to pull air up through the furnace?
A) Forced draft B) Natural draft C) Balanced draft D) Induced draft
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Which of these is an example of a three-position actuator?
A) Recirculation door B) Blend door C) Bi-level air door D) None of these is correct
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The purpose of the EVAP system is to trap gasoline vapors, also called ________
A) CO B) VOC C) NOx D) CO2
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Name the horizontal distance from end to end of the stairs.
What will be an ideal response?
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