Exam (elaborations)
NATE Heat Pump Exam 2024/2025
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NATE Heat Pump Exam 2024/2025
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NATE Heat Pump Exam 2024/2025Charging 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
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
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
B: 32 degrees F
C: 273 degrees F
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