NATE Heat Pump Exam Questions and Answers 100% Pass

NATE Heat Pump Exam Questions and
Answers 100% Pass
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?




A: Heating mode




B: Cooling mode

,C: Defrost mode




D: Emergency heating mode ✔✔A: Heating mode




Which of the following components is exclusive to the heat pump?




A: Condenser




B: Oil separator




C: Reversing valve




D: Accumulator ✔✔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




B: 300 cfm per ton




C: 400 cfm per ton




D: 450 cfm per ton ✔✔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 ✔✔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




B: 32 degrees F




C: 273 degrees F




D: -459 degrees F ✔✔D: -459 degrees F




Technically this is true, but not practical. A heat pump is doing good to continue to work below

10 deg F.




The heat pump utilizes:




A: Two filter-driers with check valves