Massachusetts Oil burner UPDATED ACTUAL Exam Questions and CORRECT Answers
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Course
Massachusetts Oil burner
Institution
Massachusetts Oil Burner
Massachusetts Oil burner UPDATED
ACTUAL Exam Questions and 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.
Massachusetts Oil burner UPDATED
ACTUAL Exam Questions and 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
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
Under sized returns on a warm air system can result in what? - CORRECT ANSWER-
✔✔Short cycling of the oil 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
On a triple acting aquastat a minimum of 20 degrees is recommend between the high and low
limit, this will prevent? - CORRECT ANSWER- ✔✔The boiler going off on high limit
before reaching the minimum circulator temperature
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