Heat pump hvac Study guides, Class notes & Summaries
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HVAC NATE Heat Pump Exam With 100% Correct Answers graded A+
- Exam (elaborations) • 14 pages • 2023
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HVAC NATE Heat Pump Exam With 100% Correct Answers 
HVAC NATE Heat Pump Exam With 100% Correct Answers 
HVAC NATE Heat Pump Exam With 100% Correct Answers
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HVAC NATE Heat Pump |171 questions| with correct answers
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HVAC NATE Heat Pump |171 questions| with correct answers 
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 a...
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HVAC NATE Heat Pump Exam Questions and Answers 100% Pass
- Exam (elaborations) • 19 pages • 2024
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HVAC NATE Heat Pump Exam Questions and 
Answers 100% Pass 
On an R-22 system, line diameters and lengths are typically specified for a vapor 
pressure drop that does not exceed what? -Answer-6-7PSI or 6F 
What is the primary purpose of using flux when soldering copper or brass parts? - 
Answer-Prevent Oxidation 
The water that results from a defrost cycle of an air to air heat pump(runoff) must? - 
Answer-Drain off and away from the outdoor coil. 
Why must the runoff be drained off and away from...
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HVAC NATE Heat Pump with complete solution
- Exam (elaborations) • 15 pages • 2024
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HVAC NATE Heat Pump with complete solution
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HVAC NATE Heat Pump Exam Question With Solutions
- Exam (elaborations) • 16 pages • 2024
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HVAC NATE Heat Pump Exam Question With Solutions 
On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? - ANS 6-7PSI or 6F 
 
What is the primary purpose of using flux when soldering copper or brass parts? - ANS Prevent Oxidation 
 
The water that results from a defrost cycle of an air to air heat pump(runoff) must? - ANS Drain off and away from the outdoor coil. 
 
Why must the runoff be drained off and away from the...
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NATE CORE STUDY GUIDE(correct answers)to pass
- Exam (elaborations) • 26 pages • 2023
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NATE CORE STUDY GUIDE(correct answers)to passWhich of the following is not the product of incomplete combustion: 
Oxides of nitrogen 
 
 
 
An oil trap is required at the base of the discharge line of the vertical riser is _____ or above 
8 feet 
 
 
 
A diode allows current to flow in one direction: 
True 
 
 
 
1 Watt = _____ Btu 
3.41 
 
 
 
Current in a closed circuit is limited by which of the following: 
resistance 
 
 
 
An oil separator is located in the _____: 
Discharge line 
 
 
 
___...
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HVAC NATE Heat Pump- Exam 2023 Questions and Answers
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HVAC NATE Heat Pump- Exam 2023 
Questions and Answers
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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...
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HVAC NATE Heat Pump Exam 2024 Correctly Answered!
- Exam (elaborations) • 18 pages • 2024
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HVAC NATE Heat Pump Exam 2024 Correctly Answered! 
On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? - ANSWER 6-7PSI or 6F
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HVAC CONTRACTOR EXAM 2024 WITH 100% ACCURATE SOLUTIONS
- Exam (elaborations) • 23 pages • 2024
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HVAC CONTRACTOR EXAM 2024 WITH 100% ACCURATE SOLUTIONS 
 
 
An instrument that measures potential differences between 2 points in an electrical circuit is called? 
 
A. potentiometer 
B. thermistor 
C. ohmeter 
D. voltmeter - correct answer voltmeter 
 
This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat 
 
A. automatic expansion valve 
B. thermostatic expansion valve 
C. low side float 
D. schraeder valve - correct answer thermostat...
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