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HVACR UNIT 55 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+
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HVACR UNIT 55 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ A major difference between the operation of an oil furnace and a gas furnace is that: Correct answer: The oil must be atomized before ignition. An oil furnace heat exchanger is built: Correct answer: Like a dru...
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