NATE GAS HEATING EXAM WITH CORRECT ACTUAL QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST ALREADY GRADED A+ 2026

NATE GAS HEATING EXAM WITH CORRECT
ACTUAL QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST ALREADY GRADED
A+ 2026

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Terms in this set (50)



Since 1992, the United States C: 78%
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%

,Many pre-1992 furnaces have C: 60%
efficiencies around _______.


A: 10%


B: 40%


C: 60%


D: 80%


Today, furnaces with AFUE ratings B: 90%
greater than _____ are available.


A: 85%


B: 90%


C: 100%


D: 110%

, A thermocouple is used with: D: Standing pilot ignition systems


A: Intermittent pilot systems


B: Direct spark ignition systems


C: Glow coil ignition systems


D: Standing pilot ignition systems


The purpose of the gas pressure C: Maintain a constant gas pressure at the burner
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


The instrument used to measure C: Monometer
outlet gas pressure is the:


A: Velometer


B: Anemometer


C: Monometer


D: Draft gauge