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Exam (elaborations)

NATE Gas Heating Exam with Complete Solutions 100% Verified Graded A+

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NATE Gas Heating Exam with Complete Solutions 100% Verified Graded A+ In a modern gas furnace, the component that separates the combustion gases from the supply air is the ______. a. gas valve b. heat exchanger c. inducer fan d. plenum box - Correct Answer b (heat exchanger) What type of furnace moves warm air through the conditioned space without a fan? a. Gravity b. Horizontal c. Lowboy d. Upflow - Correct Answer a (Gravity) Furnace heat exchangers generally are made of ______. a. ceramic b. copper c. plastic d. steel - Correct Answer d (steel) What does AFUE stand for? a. Actual Fuel Usage Efficiency b. Annual Fuel Utilization Efficiency c. Annual Furnace Usage Equivalency d. Approved Fuel Usage Estimate - Correct Answer b (Annual Fuel Utilization Efficiency) The main purpose of a secondary heat exchanger is to ______. a. evaporate the flue gases

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Uploaded on
December 7, 2023
Number of pages
20
Written in
2023/2024
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Exam (elaborations)
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  • what does afue stand for
  • in a modern gas furnace the component that separa
  • what type of furnace moves warm air through the
  • furnace heat exchangers generally are made of
  • the main purpose of a secondar
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