Engine : Expired / Refrigeration AC - 121/252 |
---|
« Previous Question |
Constant superheat is maintained at the evaporator coil outlet of a refrigeration system or unit by the action of what device? |
A) thermal expansion valve |
B) low pressure cutout switch |
C) king valve |
D) solenoid valve |
loading answer...
Comments |
---|
There are no comments for this question. |