NATE Gas Heating EXAM LATEST VERSION WITH COMPLETE QUESTIONS AND CORRECT ANSWERS JUST RELEASED THIS YEAR

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NATE Gas Heating EXAM LATEST VERSION WITH
COMPLETE QUESTIONS AND CORRECT ANSWERS
JUST RELEASED THIS YEAR

Question: Today, furnaces with AFUE ratings greater than _____ are available.




A: 85%




B: 90%




C: 100%




D: 110% - CORRECT ANSWER✔✔B: 90%




Question: A thermocouple is used with:




A: Intermittent pilot systems




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B: Direct spark ignition systems




C: Glow coil ignition systems




D: Standing pilot ignition systems - CORRECT ANSWER✔✔D: Standing pilot ignition systems




Question: The purpose of the gas pressure regulator is to:




A: Keep the color of the flame constant




B: Keep the high limit switch from tripping




C: Maintain a constant gas pressure at the burner




D: Allow the gas valve to operate smoothly and accurately - CORRECT ANSWER✔✔C: Maintain

a constant gas pressure at the burner




Question: The instrument used to measure outlet gas pressure is the:

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A: Velometer




B: Anemometer




C: Monometer




D: Draft gauge - CORRECT ANSWER✔✔C: Monometer




Question: 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"




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D: 2" - CORRECT ANSWER✔✔C: 3.5"




Question: Burning one cubic foot of natural gas releases approximately _____ btu.




A: 800




B: 1,050




C: 12,000




D: 15,000 - CORRECT ANSWER✔✔B: 1,050




Question: Under ideal conditions natural gas has an ignition temperature of _______ degrees F

and a burning temperature of ________ degrees F.




A: 800 degrees, 1000 degrees




B: 1,100 degrees, 3,500 degrees

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