2018 IRC Study Session 15 Water Heaters, Water Supply and Distribution, and Sanitary Drainage Exam with verified question and answers

2018 IRC Study Session 15 Water Heaters, Water Supply and Distribution, and Sanitary Drainage Exam with verified question and answers 1. A required overflow pan for a water heater shall be a minimum of in depth and of sufficient size and shape to collect all dripping and condensate. a. 1 inch b. 11/2 inches c. 2 inches d. 3 inches: B 2. Where the termination of a drain pan for a water heater extends to the exterior of the building, it shall terminate a minimum of and a maximum of above the adjacent ground surface. a. 3 inches, 12 inches b. 3 inches, 24 inches c. 6 inches, 12 inches d. 6 inches, 24 inches: D 3. Where installed in a garage, water heaters having an ignition source shall be elevated such that the source of ignition is a minimum of above the garage floor unless the appliance is listed as flammable vapor ignition resistant.