NATE Heat Pump 2024/2025 Exam
Questions and Verified Answers | Rated
A+
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 - 🧠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
Page 1 of 30
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
,B: Cooling mode
C: Defrost mode
D: Emergency heating mode - 🧠ANSWER ✔✔A: Heating mode
Which of the following components is exclusive to the heat pump?
A: Condenser
B: Oil separator
C: Reversing valve
D: Accumulator - 🧠ANSWER ✔✔C: Reversing valve
Which of the following airflow rates is the most reasonable for a heat pump
system operating in the heating cycle?
A: 200 cfm per ton
Page 2 of 30
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
, B: 300 cfm per ton
C: 400 cfm per ton
D: 450 cfm per ton - 🧠ANSWER ✔✔D: 450 cfm per ton
During the heat pump's cooling cycle, the outdoor coil is utilized as a _________
while the indoor coil is utilized as a____________.
A: Condenser, evaporator
B: Evaporator, condenser
C: Compressor, accumulator
D: Accumulator, condenser - 🧠ANSWER ✔✔A: Condenser, evaporator
Heat is present in winter outdoor air until the outside air ambient temperature
reaches a low temperature of:
A: 0 degrees F
Page 3 of 30
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
Questions and Verified Answers | Rated
A+
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 - 🧠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
Page 1 of 30
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
,B: Cooling mode
C: Defrost mode
D: Emergency heating mode - 🧠ANSWER ✔✔A: Heating mode
Which of the following components is exclusive to the heat pump?
A: Condenser
B: Oil separator
C: Reversing valve
D: Accumulator - 🧠ANSWER ✔✔C: Reversing valve
Which of the following airflow rates is the most reasonable for a heat pump
system operating in the heating cycle?
A: 200 cfm per ton
Page 2 of 30
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
, B: 300 cfm per ton
C: 400 cfm per ton
D: 450 cfm per ton - 🧠ANSWER ✔✔D: 450 cfm per ton
During the heat pump's cooling cycle, the outdoor coil is utilized as a _________
while the indoor coil is utilized as a____________.
A: Condenser, evaporator
B: Evaporator, condenser
C: Compressor, accumulator
D: Accumulator, condenser - 🧠ANSWER ✔✔A: Condenser, evaporator
Heat is present in winter outdoor air until the outside air ambient temperature
reaches a low temperature of:
A: 0 degrees F
Page 3 of 30
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
