Mass Oil Burner Exam /Comprehensive
Key Questions With Answers
What are three switches in series after the panel nd before the appliance?-
correct-answer-emergency switch, thermal switch, service switch
What is the temp setting of electrical thermal switch?-correct-answer-165
Where must thermal switch be located?-correct-answer-In power line and within
6 feet of appliance
Where is serviceman switch located?-correct-answer-where service man can view
the fire and maximum of three feet from burner
Oil burner must be electrically supplied how?-correct-answer-On its own branch
circuit from panel.
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What is the pitch of a chimney connector?-correct-answer-1/4" pitch per foot of
length
How must a chimney connector be fasted together?-correct-answer-At least 3
screws 1/2" or more from section joint
Where must power vent be installed?-correct-answer-At least four feet below or
horizontal from a window, one foot above door, window or air inlet and at least
12" above grade
Chimney connector for natural draft can be up to how long?-correct-answer-Shall
not exceed ten feet
What is the safety timing of a gas pilot ignition?-correct-answer-15 seconds
When is a combustion efficiency test required b y law?-correct-answer-When a
permit is required a test must be done before it will be granted