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NATE A/C and Heat Pumps basics Exam with Questions and Answers
NATE A/C and Heat Pumps basics Exam 
with Questions and Answers 
What must be verified before you use performance charts or gauges to validate system 
operation? 
a. Refrigerant charge 
b. Correct air flow 
c. Check the voltage 
d. All the above - CORRECT ANSWER-b (Correct air flow) 
What type of component if installed will help protect the compressor from refrigerant 
slugging? 
a. driers 
b. heaters 
c. more refrigerant 
d. accumulator - CORRECT ANSWER-d (accumulator) 
What is used to maint...
- Exam (elaborations)
- • 11 pages •
NATE A/C and Heat Pumps basics Exam 
with Questions and Answers 
What must be verified before you use performance charts or gauges to validate system 
operation? 
a. Refrigerant charge 
b. Correct air flow 
c. Check the voltage 
d. All the above - CORRECT ANSWER-b (Correct air flow) 
What type of component if installed will help protect the compressor from refrigerant 
slugging? 
a. driers 
b. heaters 
c. more refrigerant 
d. accumulator - CORRECT ANSWER-d (accumulator) 
What is used to maint...
Nate (heat pump practice) Final Exam Questions with Correct Answers A Graded
Nate (heat pump practice) Final Exam 
Questions with Correct Answers A 
Graded 
Mixed refrigerant should - CORRECT ANSWER-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 - CORRECT ANSWER-R 134 a 
An azeotrope refrigerant is a mixture of - CORRECT ANSWER-2 or more refrigerants 
that behave like a single refrigerant 
What is the highest SHARE safety st...
- Exam (elaborations)
- • 3 pages •
Nate (heat pump practice) Final Exam 
Questions with Correct Answers A 
Graded 
Mixed refrigerant should - CORRECT ANSWER-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 - CORRECT ANSWER-R 134 a 
An azeotrope refrigerant is a mixture of - CORRECT ANSWER-2 or more refrigerants 
that behave like a single refrigerant 
What is the highest SHARE safety st...
The NATE Industry Competency Exam: Heat Pumps Q&A
The NATE Industry Competency Exam: 
Heat Pumps Q&A 
A correct statement regarding the outdoor coil of a heat pump is that damage may result 
if the: 
a. Indoor blower fails to operate. 
b. Defrost water does not drain from the coil. 
c. Indoor check valve sticks. 
d. Outdoor metering device sticks open. - CORRECT ANSWER-B 
If this unit is installed on 208 volts, the transformer primary should be wired: 
a. To the black and red leads of the transformer. 
b. To the black and orange leads of the...
- Exam (elaborations)
- • 5 pages •
The NATE Industry Competency Exam: 
Heat Pumps Q&A 
A correct statement regarding the outdoor coil of a heat pump is that damage may result 
if the: 
a. Indoor blower fails to operate. 
b. Defrost water does not drain from the coil. 
c. Indoor check valve sticks. 
d. Outdoor metering device sticks open. - CORRECT ANSWER-B 
If this unit is installed on 208 volts, the transformer primary should be wired: 
a. To the black and red leads of the transformer. 
b. To the black and orange leads of the...
Nate Heat Pump Test Exam with Verified Answers
Nate Heat Pump Test Exam with Verified 
Answers 
The three processes that transfer heat energy are conduction, convection and 
________ 
a. Concentration. 
b. Radiation. 
c. Refraction. 
d. Static pressure. - CORRECT ANSWER-Radiation 
Which of the following factors affects a customer's level of comfort? 
a. Air movement. 
b. Humidity. 
c. Temperature. 
d. All of the above. - CORRECT ANSWER-All of the above 
A cooling load calculation estimates the sensible heat gain of a structure. The...
- Exam (elaborations)
- • 18 pages •
Nate Heat Pump Test Exam with Verified 
Answers 
The three processes that transfer heat energy are conduction, convection and 
________ 
a. Concentration. 
b. Radiation. 
c. Refraction. 
d. Static pressure. - CORRECT ANSWER-Radiation 
Which of the following factors affects a customer's level of comfort? 
a. Air movement. 
b. Humidity. 
c. Temperature. 
d. All of the above. - CORRECT ANSWER-All of the above 
A cooling load calculation estimates the sensible heat gain of a structure. The...
Study for NATE Heat Pump Exam with Correct Answers Latest Updated
Study for NATE Heat Pump Exam with 
Correct Answers Latest Updated 
b (Cooling mode) - CORRECT ANSWER-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 
a (Heating mode) - CORRECT ANSWER-Heat pumps can provide both heating in the 
winter and cooling in the summer. In which mode is the heat pump more efficient? 
A: Heating mode 
B: Cooling mode 
C: Defrost mode 
D: Emergency heating mod...
- Exam (elaborations)
- • 13 pages •
Study for NATE Heat Pump Exam with 
Correct Answers Latest Updated 
b (Cooling mode) - CORRECT ANSWER-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 
a (Heating mode) - CORRECT ANSWER-Heat pumps can provide both heating in the 
winter and cooling in the summer. In which mode is the heat pump more efficient? 
A: Heating mode 
B: Cooling mode 
C: Defrost mode 
D: Emergency heating mod...
NATE Heat Pump Exam with Correct Answers Latest Updated
NATE Heat Pump Exam with Correct 
Answers Latest Updated 
b (Cooling mode) - CORRECT ANSWER-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 
a (Heating mode) - CORRECT ANSWER-Heat pumps can provide both heating in the 
winter and cooling in the summer. In which mode is the heat pump more efficient? 
A: Heating mode 
B: Cooling mode 
C: Defrost mode 
D: Emergency heating mode 
c (Reve...
- Exam (elaborations)
- • 13 pages •
NATE Heat Pump Exam with Correct 
Answers Latest Updated 
b (Cooling mode) - CORRECT ANSWER-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 
a (Heating mode) - CORRECT ANSWER-Heat pumps can provide both heating in the 
winter and cooling in the summer. In which mode is the heat pump more efficient? 
A: Heating mode 
B: Cooling mode 
C: Defrost mode 
D: Emergency heating mode 
c (Reve...
NATE Heat Pump Exam Questions and Answers 100% Correct
NATE Heat Pump Exam Questions and 
Answers 100% Correct 
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 - CORRECT ANSWER-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? 
A: Heating mode 
B: Cooling mode 
C: Defrost mode 
D: Emergency heating mode - CORRECT ANSWER-A: Heating mode 
Which of the...
- Exam (elaborations)
- • 13 pages •
NATE Heat Pump Exam Questions and 
Answers 100% Correct 
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 - CORRECT ANSWER-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? 
A: Heating mode 
B: Cooling mode 
C: Defrost mode 
D: Emergency heating mode - CORRECT ANSWER-A: Heating mode 
Which of the...
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