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NATE Air Conditioning and Heat Pump Questions and Answers | Latest Update
NATE Air Conditioning and Heat Pump Questions and Answers | Latest Update
[Show more]NATE Air Conditioning and Heat Pump Questions and Answers | Latest Update
[Show more]Charging a heat pump with refrigerant is best accomplished in the _______ mode. 
A: Heating mode 
B: Cooling mode 
C: Defrost mode 
D: Emergency heating mode 
 B: Cooling mode 
Heat pumps can provide both heating in the winter and cooling in the summer. In which 
mode is the heat pump more efficien...
Preview 4 out of 73 pages
Add to cartCharging a heat pump with refrigerant is best accomplished in the _______ mode. 
A: Heating mode 
B: Cooling mode 
C: Defrost mode 
D: Emergency heating mode 
 B: Cooling mode 
Heat pumps can provide both heating in the winter and cooling in the summer. In which 
mode is the heat pump more efficien...
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 a...
Preview 4 out of 36 pages
Add to cartOn 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 a...
Which of the following factors affects a customer's level of comfort? 
a. Air movement 
b. Humidity 
c. Temperature 
d. All of the above 
 d (All of the above: air movement, humidity, temperature) 
A cooling load calculation estimates the sensible heat gain of a structure. The maximum 
sensible ca...
Preview 4 out of 47 pages
Add to cartWhich of the following factors affects a customer's level of comfort? 
a. Air movement 
b. Humidity 
c. Temperature 
d. All of the above 
 d (All of the above: air movement, humidity, temperature) 
A cooling load calculation estimates the sensible heat gain of a structure. The maximum 
sensible ca...
Charging a heat pump with refrigerant is best accomplished in the _______ mode. 
A: Heating mode 
B: Cooling mode 
C: Defrost mode 
D: Emergency heating mode 
 B: Cooling mode 
Heat pumps can provide both heating in the winter and cooling in the summer. In which 
mode is the heat pump more efficient...
Preview 4 out of 33 pages
Add to cartCharging a heat pump with refrigerant is best accomplished in the _______ mode. 
A: Heating mode 
B: Cooling mode 
C: Defrost mode 
D: Emergency heating mode 
 B: Cooling mode 
Heat pumps can provide both heating in the winter and cooling in the summer. In which 
mode is the heat pump more efficient...
Which of the following factors affects a customers level of comfort? 
 All of the above 
A cooling load calculation estimates the sensible heat gain of the structure. The cooling-only 
system should be within _____% of this calculated value. 
 +15% 
The maximum sensible cooling capacity of a heat p...
Preview 4 out of 40 pages
Add to cartWhich of the following factors affects a customers level of comfort? 
 All of the above 
A cooling load calculation estimates the sensible heat gain of the structure. The cooling-only 
system should be within _____% of this calculated value. 
 +15% 
The maximum sensible cooling capacity of a heat p...
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