Hvac nate - Study guides, Class notes & Summaries
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HVAC NATE Heat Pump Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A
- Exam (elaborations) • 35 pages • 2024
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HVAC NATE Heat Pump Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A 
 
Q: What is the absolute pressure at sea level if a gauge pressure is 35 psig? 
 
 
Answer: 
 49.7psia 
 
 
 
Q: 100,000 BTUH output furnace. 
Return air temp is 65F. 
Supply air is 135F. 
What is the CFM? 
 
 
Answer: 
 1323CFM 
 
 
 
Q: What is the best method of repair when a residential supply diffuser is noisy because of a loose vane? 
 
 
Answer: 
 Replace the diffuser. 
 
 
 
Q: When...
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HVAC NATE Heat Pump |171 questions| with correct answers
- Exam (elaborations) • 20 pages • 2023
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On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? CORRECT ANSWER 6-7PSI or 6F 
 
What is the primary purpose of using flux when soldering copper or brass parts? CORRECT ANSWER Prevent Oxidation 
 
The water that results from a defrost cycle of an air to air heat pump(runoff) must? CORRECT ANSWER Drain off and away from the outdoor coil. 
 
Why must the runoff be drained off and away from the outdoor coil? CORRECT ANSWER Exc...
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HVAC NATE Heat Pump Exam 2024 Questions and Answers (2024/2025) (Verified Answers)q1
- Exam (elaborations) • 39 pages • 2023
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HVAC NATE Heat Pump Exam 2024 Questions and Answers (2024/2025) (Verified Answers)q1
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HVAC NATE Heat Pump Correctly Solved!!
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On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? - ANSWER6-7PSI or 6F 
 
What is the primary purpose of using flux when soldering copper or brass parts? - ANSWERPrevent Oxidation 
 
The water that results from a defrost cycle of an air to air heat pump(runoff) must? - ANSWERDrain off and away from the outdoor coil. 
 
Why must the runoff be drained off and away from the outdoor coil? - ANSWERExcessive ice can build up on t...
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HVAC NATE Heat Pump Exam (Latest 2024 / 2025 Update) 100% Correct Questions and Verified Answers | Grade A
- Exam (elaborations) • 50 pages • 2024
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HVAC NATE Heat Pump Exam (Latest 2024 / 2025 Update) 100% Correct Questions and Verified Answers | Grade A 
 
 
 
Question: 
What is the capability of electronic programmable room thermostat to reset the set point early so that the space temperature reaches a set temperature at a specific time called? 
Answer: 
Computed recovery 
 
 
Question: 
What is an important reason for using electronic controls? 
Answer: 
They can make decisions based on many inputs. 
 
 
 
 
 
Question: 
When using a dou...
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HVAC NATE Gas Heat Exam Prep (Latest 2024 / 2025 Update) 100% Correct Questions and Verified Answers | Grade A
- Exam (elaborations) • 39 pages • 2024
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HVAC NATE Gas Heat Exam Prep (Latest 2024 / 2025 Update) 100% Correct Questions and Verified Answers | Grade A 
 
 
 
Question: 
Differential pressure gauge (also called a manometer) is used to... 
Answer: 
Measure duct static pressure 
 
 
Question: 
A line voltage fuse is used to protect from... 
Answer: 
Excessive voltage 
 
 
Question: 
Forced air residential/ light commercial gas furnaces provide heat by... 
Answer: 
Circulating air across the heat exchanger 
Question: 
No mechanical fasten...
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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:...
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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 
...
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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
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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...
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HVAC NATE Heat Pump Questions with 100% Correct Answers | Latest Version 2024/2025 | Expert Verified | Ace the Test
- Exam (elaborations) • 31 pages • 2024
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HVAC NATE Heat Pump Questions with 100% 
Correct Answers | Latest Version 2024/2025 | 
Expert Verified | Ace the Test
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