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NATE Gas Heating Exam Verified Questions and answers 2023 Latest Update
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NATE Gas Heating Exam Verified 
Questions and answers 2023 
Latest Update 
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% - correct answer C: 78% 
Many pre-1992 furnaces have efficiencies around . 
A: 10% 
B: 40% 
C: 60% 
D: 80% - correct answer C: 60% 
Today, furnaces with AFUE ratings greater than are available. 
A: 85% 
B: 90% 
C: 100% 
D: 110% - correct ...
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NATE Gas Heating Exam Questions and Answers 100% Pass
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NATE Gas Heating Exam Questions and 
Answers 100% Pass 
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% -Answer-C: 78% 
Many pre-1992 furnaces have efficiencies around _______. 
A: 10% 
B: 40% 
C: 60% 
D: 80% -Answer-C: 60% 
Today, furnaces with AFUE ratings greater than _____ are available. 
A: 85% 
B: 90% 
C: 100% 
D: 110% -Answer-B: 90% 
A thermocouple is ...
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NATE Gas Heating Exam Latest Update 2024
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NATE Gas Heating Exam Latest Update 2024...
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NATE Gas Heating Exam Latest Update
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NATE Gas Heating Exam Latest Update...
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HVAC Gas Heat Certification Exam With Solved solutions 2024
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A gas furnace is to be installed in a garage. The national standards require that the burners and ignition sources must be located ______ above the floor - Answer 18 inches 
 
A good description of how a bi-metal fan switch operates the blower motor on a gas furnace is - Answer Temperature on- temperature off 
 
Redundant gas valves used on gas furnaces have - Answer Dual gas shut off seats 
 
Burning one cubic foot of liquefied petroleum gas completely will produce approximately ______ BT...
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Nate Certification Gas Heating and Gas Hydronics Test Quizess Fully Solved 2024.
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Common types of gases used in Heating devices. - Answer Two common types of gases used today are natural (methane) and LPG (liquefied petroleum gas). 
 
Air specific gravity - Answer Air has a specific gravity of 1.0. 
 
Combustion - Answer is a chemical reaction, or the rapid oxidation of fuel that results in the release of heat and light. 
 
Heat transfer - Answer is accomplished in three ways: conduction, 
convection, and radiation. 
 
natural gas - Answer (methane) molecule is 1 ca...
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NATE CORE LICENSE EXAM AND ANSWERS GRADED A+ 2024.
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An air conditioning technician is working in the basement of a large B37public building. The technician notices several unsafe and dangerous conditions. Of the following conditions that are noticed, which is the most dangerous and should be reported immediately? 
 
 A: Gas leaking from a cracked pipe 
 
 B: An open sewer drain connection 
 
 C: The basement is unlighted 
 
 D: None of these are the technician's business - Answer A: Gas leaking from a cracked pipe 
 
A service technician i...
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NATE Exam Core Essentials License Exam With All Correct Solutions 2024.
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d (very important) - Answer The ability to utilize all types of communication skills is ____ to the HVACR technician. 
 
a. not as important as "hands-on" technical skills 
b. somewhat important 
c. unimportant 
d. very important 
 
d (all of the above: clear, complete, concise) - Answer It is important to be ____ in filling out service orders so that office staff, other technicians, and customers will know what work you completed on the job. 
 
a. clear 
b. complete 
c. concise 
d. all of...
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NATE Gas Heat Practice Guide Questions And Answers Rated A+ 2024.
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What precautions are required when mounting any gas furnace on a wood platform in an attic? - Answer None 
 
The gas control valve may be damaged if exposed to an inlet pressure above what? - Answer 14 inch W.C. 
 
How many elbows and joints should a vent connector have? - Answer As few as possible to reduce resistance of flue gases. 
 
Under what conditions, if any may the technician route the exhaust of the furnace into the exhaust vent of the water heater: - Answer Under no conditions...
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NATE Gas Heating Final Exam Questions And Answers Graded A+ 2024.
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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% - Answer C: 78% 
 
Many pre-1992 furnaces have efficiencies around _______. 
 
 A: 10% 
 
 B: 40% 
 
 C: 60% 
 
 D: 80% - Answer C: 60% 
 
Today, furnaces with AFUE ratings greater than _____ are available. 
 
 A: 85%
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NATE Gas Heating Part 2 Training Exam Fully Solved 2024.
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An intermittent pilot gas furnace is one in which a(n): - Answer Pilot is lit on every call for heat. 
 
Induced draft blowers in direct vent condensing furnaces pull combustion air from: - Answer Outdoors only. 
 
A vertical vent in an induced draft non-condensing gas furnace that is too tall for its furnace capacity will have what problem if any? - Answer Excessive condensation in the vent. 
 
In the sequence of operation of an induced draft, intermittent pilot gas furnace, the induced d...
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