SC Heating Practice Questions - South Carolina Heating Contractor Examination Exam

Access More Questions

A Schedule 40 steel natural-gas branch serves a 120,000 Btu/h furnace and a 40,000 Btu/h unit heater. Gas is 1,000 Btu/ft³. The longest length from the meter to the farthest appliance is 80 feet. Using IFGC Table 402.4(2) (inlet less than 2 psi, 0.5 in. w.c. drop, specific gravity 0.60), what is the smallest listed pipe size that will carry the connected load?

1/2 inch (56 cfh at 80 feet) 3/4 inch (117 cfh at 80 feet) 1 inch (220 cfh at 80 feet) 2 inch (1,300 cfh at 80 feet)

Correct Answer:

1 inch (220 cfh at 80 feet)

Access more questions from this quiz

Continue to SC Heating Practice Questions - South Carolina Heating Contractor Examination Exam for more practice questions and the full quiz experience.

Access More Questions