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SC Plumber Contractor Practice Questions - South Carolina Plumber Contractor Examination Exam

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IFGC Table 402.4(28) (undiluted propane, 11.0 in. w.c., 0.5 in. w.c. drop, Schedule 40 metallic) lists the following capacities at 80 feet: 1/2 inch = 94,000 Btu/h; 3/4 inch = 197,000 Btu/h; 1 inch = 372,000 Btu/h. What is the minimum pipe size for a 180,000 Btu/h appliance on an 80-foot longest length?
Correct Answer:
3/4 inch

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