NATE Gas Heating Exam Questiond & Correct
Answers | Latest Update 2026/2027 | Graded A+.
1. 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%
2. Many pre-1992 furnaces have efficiencies around .
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A: 10%
B: 40%
C: 60%
,D: 80%: C: 60%
3. 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
4. The instrument used to measure outlet gas pressure is the: A:
Velometer
B: Anemometer
C: Monometer
D: Draft gauge: C: Monometer
6. T
he 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": C: 3.5"
7. Today, furnaces with AFUE
ratings greater than
are available.
A: 85%
B: 90%
C: 100%
D: 110%: B: 90%
Answers | Latest Update 2026/2027 | Graded A+.
1. 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%
2. Many pre-1992 furnaces have efficiencies around .
,Thank you for Purchasing this exam Study Guide.
We provide high-quality academic materials to help
students excel in exams. Our other Services include
but not limited to: academic research, University &
College assignments writing, essay writing, Online
Classes, and research projects. Our services are
reliable, affordable, and plagiarism-free. All the
Best in your Exam. For more information; Contact
us at: or
0R +254 741484450
A: 10%
B: 40%
C: 60%
,D: 80%: C: 60%
3. 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
4. The instrument used to measure outlet gas pressure is the: A:
Velometer
B: Anemometer
C: Monometer
D: Draft gauge: C: Monometer
6. T
he 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": C: 3.5"
7. Today, furnaces with AFUE
ratings greater than
are available.
A: 85%
B: 90%
C: 100%
D: 110%: B: 90%
