NATE Heat Pump
Columbia University
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NATE HEAT PUMP RETAIL READY WITH CORRECT ANSWERS
- Exam (elaborations) • 12 pages • 2023
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Available in package deal
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R-22 vapor line diameters and lengths are typically specified for a: 
Vapor pressure drop that does not exceed 6 - 7 psi or 6°F. 
 
 
 
The primary purpose of using flux when soldering copper or brass parts is to: 
Prevent oxidation. 
 
 
 
The water that results from a defrost cycle of an air to air heat pump (runoff) must: 
Drain off and away from the outdoor coil to prevent excessive ice can build up on the bottom of the coil and reduce capacity. 
 
 
 
The component used to reduce sound tra...
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Nate (heat pump practice) with 100% correct answers
- Exam (elaborations) • 4 pages • 2023
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Available in package deal
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Mixed refrigerant should 
They're not easy to reclaim or separate should be labeled and sent to recycling plant can be returned for recycling plant charge a substantial fee for destroying 
 
 
 
What refrigerant is a HFC 
R 134 a 
 
 
 
An azeotrope refrigerant is a mixture of 
2 or more refrigerants that behave like a single refrigerant 
 
 
 
What is the highest SHARE safety standard given to a refrigerant 
A1 
 
 
 
What is a HCFC 
Hydrochlorofluorocarbon 
 
 
 
Refrigerant entering the comp...
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NATE Heat Pump with verified correct answers
- Exam (elaborations) • 15 pages • 2023
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Available in package deal
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- $13.99
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R-22 vapor line diameters and lengths are typically specified for a... 
Vapor pressure drop that does not exceed a 6-7psi or 6 degrees F 
 
 
 
The primary purpose of using flux when soldering copper or brass parts is... 
To prevent oxidation 
 
 
 
The water that results from a defrost cycle of an air to air heat pump(runoff) must... 
Drain off and away fro the outdoor coil to prevent excessive ice build up on the bottom of the coil and reduce capacity 
 
 
 
The component used to reduce sound ...
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NATE Heat Pumps with correct answers
- Exam (elaborations) • 5 pages • 2023
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Available in package deal
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- $15.49
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What is the purpose of the reversing valve on an air-to-air heat pump: 
It changes the flow of the refrigerant, making the indoor coil the condenser during the winter months 
 
 
 
On a reversing-valve solenoid, what is connected to the top tube: 
the compressor discharge line 
 
 
 
On a reversing-valve solenoid, what is connected to the bottom center tube: 
the compressor suction line 
 
 
 
What pressure difference must be between the low side and the high side of the heat pump system for the...
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NATE Heat Pump exam questions and answers
- Exam (elaborations) • 15 pages • 2023
-
Available in package deal
-
- $15.49
- + learn more
R-22 vapor line diameters and lengths are typically specified for a vapor pressure drop that does not exceed... 
6-7 psi or 6°F 
 
 
 
The primary purpose of using flux when soldering copper or brass parts is to... 
Prevent oxidation 
 
 
 
The water that results from a defrost cycle of an air to air heat pump (runoff) must drain off and away from the outdoor coil to... 
Prevent excessive ice can build up on the bottom of the coil and reduce capacity 
 
 
 
The component used to reduce sound tr...
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NATE heat pump questions and answers
- Exam (elaborations) • 12 pages • 2023
-
Available in package deal
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- $17.49
- + learn more
R-22 vapor line diameters and lengths are typically specified for a vapor pressure drop that does not exceed 
6-7 psi or 6 degress F 
 
 
 
The primary purpose of using flux when soldering copper or brass parts is to prevent 
Oxidation 
 
 
 
The water that results from a defrost cycle of an air to air heat pump (runoff) must drain off and away from the outdoor coil to prevent 
Excessive ice build up 
 
 
 
The component used to reduce sound transmission and prevent water leaks of a packaged hea...
-
HVAC NATE Heat Pump with 100% verified correct answers
- Exam (elaborations) • 20 pages • 2023
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Available in package deal
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- $15.49
- + learn more
On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? 
6-7PSI or 6F 
 
 
 
What is the primary purpose of using flux when soldering copper or brass parts? 
Prevent Oxidation 
 
 
 
The water that results from a defrost cycle of an air to air heat pump(runoff) must? 
Drain off and away from the outdoor coil. 
 
 
 
Why must the runoff be drained off and away from the outdoor coil? 
Excessive ice can build up on the bottom of the...
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