NATE HEAT PUMPS
Charging a heat pump with refrigerant is best accomplishes in the
mode. correct
answers Cooling
mode
Heat pumps can provide both heating in the winter and cooling in the
summer.
mode In which
is the heat pump more efficient? correct answers
Heating mode
Which of the following components is exclusive to the heat pump?
correct answers
Reversing
valve
Which of the following airflow rates is the most reasonable for a heat
pump system
operating in the heating cycle? correct answers 450
cfm per ton
During the heat pumps cooling cycle, the outdoor coil is utilized as a
while the
indoor coil is utilized as a . correct answers Condenser,
Evaporator
Heat is present in winter outdoor air until the outside air ambient
temperature
low temperature reaches a
of: correct answers -459
degrees F
The heat pump utilizes: correct answers Some use of the bi-flow filter drier
and two
use others
filter driers with check
valves
The correct way to size a heat pump is to perform both heating and
cooling load and select the heat pump size by: correct answers Using the
calculations
cooling
to load
size the
system
Auxiliary electric heat is necessary because: correct answers -It provides
heat for
home the
during
defrosts
-It provides heat for the home in the event of a heat
pump
-It failureheat for the home if the heat pump is unable to meet the
provides
demand for heat
Reading a voltage across the contracts of the outdoor thermostat
means: correct
answers The thermostat contacts are
open
What is not a type of heat pump? correct answers Direct
coupled
The coefficient of performance is determined by: correct answers
Dividing
btuh the output
by the input
btuh
The "balance point" of a heat pump is: correct answers The lowest
temperature
which the heat at pump can meet the heating requirement for
the structure
Charging a heat pump with refrigerant is best accomplishes in the
mode. correct
answers Cooling
mode
Heat pumps can provide both heating in the winter and cooling in the
summer.
mode In which
is the heat pump more efficient? correct answers
Heating mode
Which of the following components is exclusive to the heat pump?
correct answers
Reversing
valve
Which of the following airflow rates is the most reasonable for a heat
pump system
operating in the heating cycle? correct answers 450
cfm per ton
During the heat pumps cooling cycle, the outdoor coil is utilized as a
while the
indoor coil is utilized as a . correct answers Condenser,
Evaporator
Heat is present in winter outdoor air until the outside air ambient
temperature
low temperature reaches a
of: correct answers -459
degrees F
The heat pump utilizes: correct answers Some use of the bi-flow filter drier
and two
use others
filter driers with check
valves
The correct way to size a heat pump is to perform both heating and
cooling load and select the heat pump size by: correct answers Using the
calculations
cooling
to load
size the
system
Auxiliary electric heat is necessary because: correct answers -It provides
heat for
home the
during
defrosts
-It provides heat for the home in the event of a heat
pump
-It failureheat for the home if the heat pump is unable to meet the
provides
demand for heat
Reading a voltage across the contracts of the outdoor thermostat
means: correct
answers The thermostat contacts are
open
What is not a type of heat pump? correct answers Direct
coupled
The coefficient of performance is determined by: correct answers
Dividing
btuh the output
by the input
btuh
The "balance point" of a heat pump is: correct answers The lowest
temperature
which the heat at pump can meet the heating requirement for
the structure
