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Exam (elaborations)

Massachusetts Oil Burner Practice Exam | Key Questions With Correct Answers

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Massachusetts Oil Burner Practice Exam | Key Questions With Correct Answers

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Massachusetts Oil Burner
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Massachusetts Oil Burner









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Institution
Massachusetts Oil Burner
Course
Massachusetts Oil Burner

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Uploaded on
October 7, 2025
Number of pages
9
Written in
2025/2026
Type
Exam (elaborations)
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Questions & answers

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Massachusetts Oil Burner Practice
Exam | Key Questions With Correct
Answers


The cross connection between two supply tanks shall not exceed?-correct-
answer-660 gallons




When is an automatic draft control not required?-correct-answer-When the
equipment is designed to control the draft.




Combustion performance testing can indicate:-correct-answer-Improper air oil
mixture, too much combustion air, and low pump pressure.




If a second oil-burning appliance is installed in a single chimney, you must insure:-
correct-answer-Sufficient draft is available for safe operation of all connected
equipment.




Delayed ignition can be caused by:-correct-answer-Weak ignition transformer

, 2|Page




You should replace the oil burner nozzle with:-correct-answer-The manufacturers
recommended nozzle spray pattern and spray angle.




Viscosity problems can be corrected by:-correct-answer-Decreasing the nozzle
size and increasing the pump pressure accordingly




The minimum operating pressure of an oil pump is:-correct-answer-100 PSI




If a stack relay fails you, must?-correct-answer-Replace it with an approved type
controller




Aquastats are normally found on what type of heating systems?-correct-answer-
Hydronic




Airstats are found on what type of heating systems?-correct-answer-Forced warm
air systems

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