A residential A/C system that cools in summer and heats in winter by reversing the flow of refrigerant is called a:
A) Window unit. B) Stand-alone A/C system.
C) PTAC system. D) Heat pump.
D
Trades & Technology
You might also like to view...
El proceso que impide que se formen defectos como cavidades por rocas o piedras y vacíos de aire en el concreto se conoce como _____.
a. rellenado b. consolidación c. apisonamiento d. vibrado
Trades & Technology
Other than white, what color can be used to mark off work areas and lanes?
What will be an ideal response?
Trades & Technology
Hardness is:
A) Resistance to penetration B) Measured in Rockwell units C) Relative to tensile strength D) All of the above
Trades & Technology
In order to change the direction of rotation of a split-phase motor, the technician must change the direction of current flow through the start winding.
Answer the following statement true (T) or false (F)
Trades & Technology