SC Heating Practice Questions - South Carolina Heating Contractor Examination Exam

Access More Questions

A 140,000 Btu/h natural-gas unit heater (1,000 Btu/ft³) is supplied by 50 feet of Schedule 40 steel pipe. Using IFGC Table 402.4(2) (less than 2 psi, 0.5 in. w.c., SG 0.60), which statement is correct?

1/2 inch is adequate because 72 cfh exceeds 140 cfh 3/4 inch is adequate because 151 cfh exceeds the 140 cfh load Only 2 inch may be used for any load over 100,000 Btu/h The table cannot be used because 50 feet is not listed

Correct Answer:

3/4 inch is adequate because 151 cfh exceeds the 140 cfh load

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