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NATE Heat Pump Exam questions with correct answers

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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 t...

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  • March 18, 2023
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  • 2022/2023
  • Exam (elaborations)
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  • nate heat pump exam questions with correct answers

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NATE Heat Pump Exam questions with correct answers
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 following components is exclusive to the heat pump? A: Condenser B: Oil separator C: Reversing valve D: Accumulator CORRECT 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 B: 300 cfm per ton C: 400 cfm per ton D: 450 cfm per ton CORRECT 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 CORRECT 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 B: 32 degrees F C: 273 degrees F D: -459 degrees F CORRECT ANSWER 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 B: One bi-flow filter-drier C: A single mono-flow filter-drier in the liquid line D: Some use the bi-flow filter-drier and others use two filter-driers with check valves CORRECT ANSWER D: Some use the bi-flow- filter-drier and others use two filter-driers with check valves
The correct way to size a heat pump is to perform both heating and cooling load calculations and select the heat pump size by: A: Adding the heating load and cooling loads B: Subtracting the smaller load from the larger load

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