What tests can a technician perform on an oil furnace that will check the combustion efficiency?
What will be an ideal response?
draft test, smoke test, flue stack test (net temperature), CO2 test
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The study of ________ deals with making a decision and taking an appropriate course of action based on what is right or wrong
Fill in the blank(s) with correct word
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What tool should be used to hit a reversing valve that is slow to shift?
A) A hammer with a hard rubber tip B) A sledgehammer C) A ball-peen hammer D) A wooden mallet
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The most dangerous distraction while driving is
A. grooming B. texting C. reading a map D. watching a video on a smartphone
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Find the CSA in circular mils of a wire 1/50 inch in diameter.
What will be an ideal response?
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