Exam (elaborations)
OIL BURNER LICENSE EXAM WITH GUARANTEED ACCURATE ANSWERS
- Course
- Institution
What is the first thing a tech should do when arriving at a no combustion call? - correct answer Ask how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - correct answer -Remove any underground storage tanks. -Install a quality oil f...
[Show more]