NATE Gas Heating Exam Preparation Version Newest With Complete Questions And Correct Detailed Answers| Brand New Version!

1/22/26, 9:10 PM NATE Gas Heating Exam




NATE Gas Heating Exam Preparation Version Newest
With Complete Questions And Correct Detailed
Answers| Brand New Version!



Since 1992, the United States Department of Energy has required that all furnaces
sold and installed from that date on must have an AFUE of no less than:


A: 70%


B: 75%


C: 78%


D: 80%


C: 78%


Many pre-1992 furnaces have efficiencies around _____ _.


A: 10%


B: 40%


C: 60%


D: 80%


C: 60%




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,1/22/26, 9:10 PM NATE Gas Heating Exam



Today, furnaces with AFUE ratings greater than _____are available.


A: 85%


B: 90%


C: 100%


D: 110%


B: 90%



A thermocouple is used with:


A: Intermittent pilot systems


B: Direct spark ignition systems


C: Glow coil ignition systems


D: Standing pilot ignition systems


D: Standing pilot ignition systems




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, 1/22/26, 9:10 PM NATE Gas Heating Exam



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



C: Maintain a constant gas pressure at the burner



The instrument used to measure outlet gas pressure is the:


A: Velometer


B: Anemometer


C: Monometer


D: Draft gauge


C: Monometer




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