AZ ROC C-77 Plumbing Including Solar (Commercial) Practice Questions - Arizona ROC C-77 CR-77 Plumbing Including Solar (Commercial) Examination Exam

Access More Questions

What design feature is mandated by code for a double-wall heat exchanger used between a solar loop carrying toxic fluid and a domestic potable water system?

An open atmospheric leak path between the two separation walls to visibly discharge fluid if either wall fails A dual-check valve with intermediate atmospheric vent on the solar fluid supply line An internal motorized shutoff valve wired to a conductivity sensor inside the potable water line A secondary storage buffer tank placed between the primary collector loop and heat exchanger

Correct Answer:

An open atmospheric leak path between the two separation walls to visibly discharge fluid if either wall fails

Access more questions from this quiz

Continue to AZ ROC C-77 Plumbing Including Solar (Commercial) Practice Questions - Arizona ROC C-77 CR-77 Plumbing Including Solar (Commercial) Examination Exam for more practice questions and the full quiz experience.

Access More Questions