Hvac nate gas heathvac Study guides, Class notes & Summaries
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![HVAC Gas Heat Certification Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A](/docpics/5199283/6637b187d83a0_5199283_121_171.jpeg)
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HVAC Gas Heat Certification Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A
- Exam (elaborations) • 20 pages • 2024
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HVAC Gas Heat Certification Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A 
 
Q: What is the volume of flue gas produced from a 60,000 BTU/h Category I fan assisted Natural Gas furnace operating with 50% excess air? 
 
 
Answer: 
600 cu ft. 
 
 
 
Q: The purpose of a flue baffle is to 
 
 
Answer: 
Increase heat exchange 
 
 
 
Q: The LP gas pressure supplied to the appliance gas valve should be 
 
 
Answer: 
11 - 13 in. W.C. 
 
 
 
Q: An installed gas furna...
![HVAC NATE Gas Heat Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A](/docpics/5199305/6637b2a83d0ef_5199305_121_171.jpeg)
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HVAC NATE Gas Heat Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A
- Exam (elaborations) • 33 pages • 2024
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HVAC NATE Gas Heat Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A 
 
 
Q: When starting up a dual system, the temperature rise method for determining airflow cannot be used with compressor cycle of the heat pump because: 
 
 
Answer: 
The capacity of the system varies too much with outdoor temperature. 
 
 
 
Q: The flame pattern a technician would expect to see on a properly operating single stage gas furnace equipped with "in shot" type burner is a:...
![HVAC Gas Heat Certification Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A](/docpics/5199294/6637b1f0be129_5199294_121_171.jpeg)
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HVAC Gas Heat Certification Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A
- Exam (elaborations) • 26 pages • 2024
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HVAC Gas Heat Certification Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A 
 
 
Q: Why is excess air supplied to all gas-burning appliance burners? 
 
 
Answer: 
 to ensure that there is enough air all all times. 
 
 
 
Q: The purpose of a gas regulator at a gas burning appliance is to? 
 
 
Answer: 
 B. decreases the pressure to the burner 
 
 
 
Q: Ture or False: All gas valves snap open and closed. 
 
 
Answer: 
 False 
 
 
 
Q: Which of the followin...
![HVAC NATE Heat Pump Exam (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade](/docpics/5463240/6655e6ee4460d_5463240_121_171.jpeg)
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HVAC NATE Heat Pump Exam (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade
- Exam (elaborations) • 39 pages • 2024
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HVAC NATE Heat Pump Exam (New 2024/ 
2025 Update) Questions and Verified 
Answers 100% Correct | A Grade 
 
QUESTION 
 
 In order to troubleshoot a load controlled by a control string, what should the technician check 
first? 
 
 
Answer: 
 Proper voltage applied across the load. 
 
 
 
QUESTION 
 The technician suspects that an outdoor thermostat used to bring on auxiliary heat may be out of 
calibration. The thermostat is a close-on-fall type that is adjustable. What is one method for 
...
![HVAC Gas Heat Certification Exam Prep (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade](/docpics/5463212/6655e666935bc_5463212_121_171.jpeg)
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HVAC Gas Heat Certification Exam Prep (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade
- Exam (elaborations) • 29 pages • 2024
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Available in package deal
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- $10.99
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HVAC Gas Heat Certification Exam Prep 
(New 2024/ 2025 Update) Questions and 
Verified Answers 100% Correct | A Grade 
 
 
QUESTION 
 Describe the difference between a single-rod (local sensing ) and dual-rod (remote sensing 
system as the pertain to flame rectification. 
 
 
Answer: 
 Flame rectification system can be classified as eatiher single rod. (local sensing) or dual rod 
(remote sensing) single rod, consist of an igniter and sensor all in one-rod, Dual-rod system use a 
separate ig...
![HVAC NATE Gas Heat Exam (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade](/docpics/5463264/6655e6f1913dd_5463264_121_171.jpeg)
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HVAC NATE Gas Heat Exam (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade
- Exam (elaborations) • 37 pages • 2024
-
Available in package deal
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- $10.99
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HVAC NATE Gas Heat Exam (New 2024/ 
2025 Update) Questions and Verified 
Answers 100% Correct | A Grade 
 
 
QUESTION 
 A damaged section of double wall vent pipe is to be replaced with a section produced by a 
different manufacturer: 
 
 
Answer: 
The installer should check the new section for compatible locking joints. 
 
 
 
QUESTION 
 If too much primary air is used the flame will: 
 
 
Answer: 
Lift off the burner. 
 
 
 
QUESTION 
 What is the problem when a flame on a high efficien...
![HVAC Gas Heat Certification Exam (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade](/docpics/5463187/6655e5e951716_5463187_121_171.jpeg)
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HVAC Gas Heat Certification Exam (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade
- Exam (elaborations) • 22 pages • 2024
-
Available in package deal
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- $10.49
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HVAC Gas Heat Certification Exam (New 
2024/ 2025 Update) Questions and Verified 
Answers 100% Correct | A Grade 
 
QUESTION 
 
 Duct wrap is used to insulate round metal ducts. What is the approximate R-value for "one inch" 
of this insulation 
 
 
Answer: 
R= 3.0 
 
 
 
QUESTION 
 A category 1 natural gas furnace has a typical air temperature rise of 
 
 
Answer: 
60°F - 120°F 
 
 
 
QUESTION 
 A technician connects the electrical circuit to an 80,000 BTU gas furnace with a 3- ton ...
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