Combo with NATE Heat Pump Exam and 1 other Questions With Complete Solutions Already Passed!!!
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Course
NATE
Institution
NATE
Combo with NATE Heat Pump Exam and 1 other Questions With Complete Solutions Already Passed!!!
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 m...
Combo with NATE Heat Pump Exam and
1 other Questions With Complete
Solutions Already Passed!!!
Charging a heat pump with refrigerant is best accomplished in the _______ mode.
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
AGRADESOLUTIONS
, C: Using the heating load to size the system
D: Using the cooling load to size the system - correct answer...✔✔D: Using the cooling
load to size the system
Auxiliary electric heat is necessary because:
A: It provides heat for the home during defrosts
B: It provides heat for the home in the event of a heat pump failure
C: It provides heat for the home if the heat pump is unable to meet the demand for heat
D: All of the above - correct answer...✔✔D: All of the above
Reading a voltage across the contacts of the outdoor thermostat means:
A: The thermostat contacts are closed
B: The thermostat contacts are open
C: The thermostat contacts are stuck
D: The thermostat contacts are working correctly - correct answer...✔✔B: The
thermostat contacts are open
Which of the following is not a type of heat pump?
A: Ground to air
B: Air to air
C: Water to air
D: Direct coupled - correct answer...✔✔D: Direct coupled
The coefficient of performance is determined by:
A: Dividing the output btuh by the input btuh
B: Dividing the input btuh by the output btuh
C: Multiplying the input by the output
AGRADESOLUTIONS
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