Why is it necessary to have superheat in the refrigerant vapor leaving the evaporator?
What will be an ideal response?
to reduce the possibility of liquid refrigerant entering the compressor
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In both platform-frame and balloon-frame construction, the structural frame of the walls is covered with ____.
A. sheathing B. sills C. headers D. plates
The ____ command is used to look for patterns in files.
A. awk B. find C. pattern D. search
Class III, Division 1 and 2 portable lighting equipment shall have ____.
A. both handles and substantial guards B. sealed casings C. positive airflow D. cross-wiring
What types of system access valves do commercial refrigeration systems usually have?
A) Shrader valves on the compressor suction and discharge and on the liquid receiver B) A process stub on the compressor C) Shrader valves on the suction line and liquid line D) Manual valves on the compressor suction and discharge and on the liquid receiver