Improper Combustion Can Lead to ____

Q20: In a(n) _ fuel oil supply system,

Q21: Carbon monoxide is a(n) _ and odorless

Q22: The portion of a nozzle assembly that

Q23: What tests can a technician perform on

Q24: When nozzles problems are apparent, the nozzle

Q26: Name six parts of an oil burner

Q27: Tank piping should be inspected regularly for

Q28: To make combustion efficiency tests, a hole

Q29: If an oil burner equipped with the

Q30: Fuel pumps are equipped with _ at