Oil Burner Exam with Complete Solutions
Which condition affects nozzle spray droplet size? Correct Ans-Fuel pump pressure
To burn one pound of fuel oil, it takes how many pounds of air? Correct Ans-14.4 lbs.
A layer of soot 1/16" thick will increase fuel consumption by Correct Ans-4%
When sizing a combustion chamber for fire rate of 1.00 gph you should provide a minimum
floor space of Correct Ans-between 80 to 100 square inches
The most common type of burner design in use today is the: Correct Ans-high pressure
atomizing
Poor draft due to a faulty chimney may be improved by installing a good: Correct Ans-
barometric draft control
The pressure differential produced by chimneys is best measured with a draft gauge in:
Correct Ans-Inches of water column
The most important draft measurement to be taken on any oil-fired unit is: Correct Ans-
The draft over the fire
The proper location to install a draft inducer is: Correct Ans-In the flue pipe between the
draft regulator and the chimney
Using combustion test instruments to measure the composition and temperature of the flue
gas as they leave the heating unit will indicate the: Correct Ans-steady state efficiency
, Oil Burner Exam with Complete Solutions
The holes that are provided in the flue pipe for combustion must be: Correct Ans-between
the heating unit and the draft regulator
When using a pump type smoke tester, ten full strokes are necessary to: Correct Ans-draw
the proper amount of flue gas past the paper
The fluid in a CO2 tester is good for about how many tests? Correct Ans-For about 200
tests
In an electric circuit for the wattage to remain the same if the voltage drops, the amperage
must: Correct Ans-increase
When applying current through a conductor that is wound in a coil, the magnetic lines of force
created are used in: Correct Ans-solenoid valve
If in an average 15-amp residential heating circuit, the fuse occasionally blows, you should:
Correct Ans-use a volt meter to check out the system
To determine the "electrical potential" available at any given point in a circuit you should use
a: Correct Ans-Voltmeter
Oilburner ignition systems normally operate at what primary voltage? Correct Ans-120
volts
Oilburner ignition transformers operate at what secondary voltage range? Correct Ans-
10,000 to 14,000 volts
In which type of system does the ignition transformer stay on for the full time the burner is
running? Correct Ans-Intermittent
Which condition affects nozzle spray droplet size? Correct Ans-Fuel pump pressure
To burn one pound of fuel oil, it takes how many pounds of air? Correct Ans-14.4 lbs.
A layer of soot 1/16" thick will increase fuel consumption by Correct Ans-4%
When sizing a combustion chamber for fire rate of 1.00 gph you should provide a minimum
floor space of Correct Ans-between 80 to 100 square inches
The most common type of burner design in use today is the: Correct Ans-high pressure
atomizing
Poor draft due to a faulty chimney may be improved by installing a good: Correct Ans-
barometric draft control
The pressure differential produced by chimneys is best measured with a draft gauge in:
Correct Ans-Inches of water column
The most important draft measurement to be taken on any oil-fired unit is: Correct Ans-
The draft over the fire
The proper location to install a draft inducer is: Correct Ans-In the flue pipe between the
draft regulator and the chimney
Using combustion test instruments to measure the composition and temperature of the flue
gas as they leave the heating unit will indicate the: Correct Ans-steady state efficiency
, Oil Burner Exam with Complete Solutions
The holes that are provided in the flue pipe for combustion must be: Correct Ans-between
the heating unit and the draft regulator
When using a pump type smoke tester, ten full strokes are necessary to: Correct Ans-draw
the proper amount of flue gas past the paper
The fluid in a CO2 tester is good for about how many tests? Correct Ans-For about 200
tests
In an electric circuit for the wattage to remain the same if the voltage drops, the amperage
must: Correct Ans-increase
When applying current through a conductor that is wound in a coil, the magnetic lines of force
created are used in: Correct Ans-solenoid valve
If in an average 15-amp residential heating circuit, the fuse occasionally blows, you should:
Correct Ans-use a volt meter to check out the system
To determine the "electrical potential" available at any given point in a circuit you should use
a: Correct Ans-Voltmeter
Oilburner ignition systems normally operate at what primary voltage? Correct Ans-120
volts
Oilburner ignition transformers operate at what secondary voltage range? Correct Ans-
10,000 to 14,000 volts
In which type of system does the ignition transformer stay on for the full time the burner is
running? Correct Ans-Intermittent
