Massachusetts Oil burner Practice Exam with Solutions
Under sized returns on a warm air system can result in what? Correct Ans-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 Ans-Some radiators not heating quickly enough
Low boiler water temperature in a hydronic hot water system may be caused by? Correct
Ans-Undersized oil burner nozzles
Delayed opening oil valves are used to? Correct Ans-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 Ans-
A backflow prevention device
How can a damaged heat exchanger be detected on a forced warm air system? Correct
Ans-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 Ans-To maintain temperature for domestic hot water
On a steam system, a plugged siphon loop can have what affect on the heating system?
Correct Ans-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 Ans-The boiler going off on high limit before reaching the
minimum circulator temperature
An advantage of flame retention burner is Correct Ans-Their high static pressure enables
boilers and furnaces with tighter more efficient heat exchange passages
, Massachusetts Oil burner Practice Exam with Solutions
The key final adjustment for most oil burners is Correct Ans-Combustion air
Dirt or lint buildup in the bevel of the burner fan blades will Correct Ans-Reduce the
amount of combustion air
To change the air ratio for different firing rates with an adjustable head burner you Correct
Ans-Adjust the position of the drawer assembly in the Air tube
All petroleum products are chemical compounds of Correct Ans-Hydrogen and carbon
1 gallon of #2 oil contains approximately how many BTU's? Correct Ans-140,000 BTU's
Flashpoint of a fuel is an indication of Correct Ans-The lowest temperature at which the
fuel will flash but not continue to burn
The pour point of #2 oil Correct Ans-Can be lowered by blending with kerosene, can be
lowered with fuel additives, and is the lowest temperature at which it will flow
Maximum fuel allowed without a license Correct Ans-10,000 gallons
Is heating oil gets colder its viscosity (thickness): Correct Ans-Increases
Sulfuric acid in combustion gases can: Correct Ans-Damon's the flue lines, it holds in the
flue pipe, and create a scale buildup in the heat exchanger
The home for bacterial growth and sludge in the bottom of the oil tank is Correct Ans-
Water
Under sized returns on a warm air system can result in what? Correct Ans-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 Ans-Some radiators not heating quickly enough
Low boiler water temperature in a hydronic hot water system may be caused by? Correct
Ans-Undersized oil burner nozzles
Delayed opening oil valves are used to? Correct Ans-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 Ans-
A backflow prevention device
How can a damaged heat exchanger be detected on a forced warm air system? Correct
Ans-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 Ans-To maintain temperature for domestic hot water
On a steam system, a plugged siphon loop can have what affect on the heating system?
Correct Ans-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 Ans-The boiler going off on high limit before reaching the
minimum circulator temperature
An advantage of flame retention burner is Correct Ans-Their high static pressure enables
boilers and furnaces with tighter more efficient heat exchange passages
, Massachusetts Oil burner Practice Exam with Solutions
The key final adjustment for most oil burners is Correct Ans-Combustion air
Dirt or lint buildup in the bevel of the burner fan blades will Correct Ans-Reduce the
amount of combustion air
To change the air ratio for different firing rates with an adjustable head burner you Correct
Ans-Adjust the position of the drawer assembly in the Air tube
All petroleum products are chemical compounds of Correct Ans-Hydrogen and carbon
1 gallon of #2 oil contains approximately how many BTU's? Correct Ans-140,000 BTU's
Flashpoint of a fuel is an indication of Correct Ans-The lowest temperature at which the
fuel will flash but not continue to burn
The pour point of #2 oil Correct Ans-Can be lowered by blending with kerosene, can be
lowered with fuel additives, and is the lowest temperature at which it will flow
Maximum fuel allowed without a license Correct Ans-10,000 gallons
Is heating oil gets colder its viscosity (thickness): Correct Ans-Increases
Sulfuric acid in combustion gases can: Correct Ans-Damon's the flue lines, it holds in the
flue pipe, and create a scale buildup in the heat exchanger
The home for bacterial growth and sludge in the bottom of the oil tank is Correct Ans-
Water
