AZ ROC R-4R Boilers (Residential)

Arizona ROC R-4R Boilers (Residential) Examination

Full question bankEnglish
Exam overview

Practice session

A residential hydronic boiler system has a design heat load of 120,000 BTU/h and is designed for a standard 20°F system temperature drop (Delta T). What is the required system water flow rate in gallons per minute (GPM)?

Loading your practice session…