SC Refrigeration Practice Questions - South Carolina Refrigeration Contractor Examination Exam

Refrigerant pipe hangers and supports should be selected and spaced so that they:

Clamp bare copper tightly with unlined steel straps that cut the tube Support the pipe, insulation, and fluid weight at intervals that prevent sag, using lined or insulated clamps that do not crush the vapor barrier Are needed only on vertical risers Can be omitted if the tube is Type L

Correct Answer:

Support the pipe, insulation, and fluid weight at intervals that prevent sag, using lined or insulated clamps that do not crush the vapor barrier

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