NATE Heat Pump Exam with verified detailed answers ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Charging a heat pump with refrigerant is best accomplished in the _______ mode.
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
||\\//|| A: Heating mode
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||\\//|| B: Cooling mode
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||\\//|| C: Defrost mode
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||\\//|| 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
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||\\//|| 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
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||\\//|| 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 unless specifically designed for lower temperatures.
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
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
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
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 unless specifically designed for lower temperatures.
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
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
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
