Massachusetts Oil burner Practice Exam Questions and Answers 100% Pass
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Massachusetts oil burner
Institution
Massachusetts Oil Burner
Massachusetts Oil burner Practice Exam
Questions and Answers 100% Pass
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 dr...
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Massachusetts Oil burner Practice Exam Questions and Answers 100% Pass 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 p ressure. 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 i gnition transformer 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 increa sing 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 Under sized returns on a warm air system can result in what? - Correct Answer ✔️✔️-
Short cycling of the oi l burner Incorrect nozzle selection in regards to gallon per hour, can result in what problems in a steam system? - Correct Answer ✔️✔️-Some radiators not heating quickly enough Low boiler water temperature in a hydronic hot water system may be caused by? - Correct Answer ✔️✔️-Undersized oil burner nozzles Delayed opening oil valves are used to? - Correct Answer ✔️✔️-Allow oil pump to come up to speed If a steam boiler is to be installed with an automatic feeder it must also have: - Correct Answer ✔️✔️-A backflow prevention device How can a damaged heat exchanger be detected on a forced warm air system? - Correct Answer ✔️✔️-With a smoke trace candle If a high limit is installed to prevent high boiler water temperature, what is the function of the low limit? - Correct Answer ✔️✔️-To maintain temperature for domestic hot water On a steam system, a plugged siphon loop can have what affect on the heating system? - Correct Answer ✔️✔️-Insufficient heat in the living space
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