Why are the coils in an air-source heat pump referred to as the outdoor coil and indoor coil instead of the condenser and evaporator?
A) Because both the coils in a heat pump coils are identical.
B) Their function (evaporator or condenser) reverses when the unit changes from cooling to heating.
C) It can sometimes be difficult to determine the exact location of the coils.
D) Refrigerant does not evaporate or condense in a heat pump coil.
Question 2
The BACnet protocol is primarily used in:
A) Commercial refrigeration systems. B) Small appliances.
C) Building automation control. D) Residential systems.
John Lewis Krimmel’s painting of the Fourth of July in Centre Square Philadelphia (1812) shows the d
Stronger threads are created by cold rolling a heat-treated bolt blank instead of cutting the ...
The pumping action of an impeller or rotary vane pump.
A cutaway view of a typical two-stage turbine electric fuel pump.
Looking carefully at the scan tool data is very helpful in locating the source of a problem.
Warning Signs of Heat Exhaustion and Heat Stroke