SC Refrigeration Practice Questions - South Carolina Refrigeration Contractor Examination Exam

When sizing refrigerant piping from a pressure-drop table, fittings are handled by:

Ignoring them if the pipe is copper Adding the equivalent length of each fitting and valve to the measured pipe length, then reading the table at that total equivalent length Doubling the pipe diameter for every elbow Using only the vertical rise and ignoring horizontal run

Correct Answer:

Adding the equivalent length of each fitting and valve to the measured pipe length, then reading the table at that total equivalent length

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