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NATE Gas Heating Exam/ Questions with Verified Answers.

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NATE Gas Heating Exam/ Questions with Verified Answers. Terms like: The three elements of combustion are: A: Fuel, oxygen and ignition B: Nitrogen, oxygen and heat C: Air, fuel and oxygen D: Air, fuel and nitrogen - Answer: A: Fuel, oxygen and ignition Which of the following ...

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  • October 21, 2024
  • 23
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NATE Gas Heating
  • NATE Gas Heating
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NATE Gas Heating Exam/ Questions with
Verified Answers.

The three elements of combustion are:


A: Fuel, oxygen and ignition


B: Nitrogen, oxygen and heat


C: Air, fuel and oxygen


D: Air, fuel and nitrogen - Answer: A: Fuel, oxygen and ignition


Which of the following is a natural result of combustion?


A: Water vapor


B: Carbon monoxide

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C: Carbon dioxide


D: All of the above - Answer: D: All of the above


Primary air is air that:


A: Is mixed with the fuel before the fuel reaches the burner


B: Is mixed with the fuel at the burner after the fuel has ignited


C: Remains unused after the combustion process is complete


D: Enters the draft diverter and goes up the stack with the products of
combustion - Answer: A: Is mixed with the fuel before the fuel reaches the burner


Secondary air is air that:


A: Is mixed with the fuel before the fuel reaches the burner


B: Is mixed with the fuel at the burner after the fuel has ignited


C: Remains unused after the combustion process is complete




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D: Enters the draft diverter and goes up the stack with the products of
combustion - Answer: B: Is mixed with the fuel at the burner after the fuel has
ignited


The instrument used to measure outlet gas pressure is the:


A: Velometer


B: Anemometer


C: Monometer


D: Draft gauge - Answer: C: Monometer


The regulator on a natural gas furnace should be adjusted to supply _____ inches
of pressure at the burners.


A: 11"


B: 10"


C: 3.5"


D: 2" - Answer: C: 3.5"



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