Oil burner's test questions 1-200 || WITH 100%
ACCURATE ANSWERS; GUARANTEED PASS!!
In an electric circuit for the wattage to remain the same if the voltage drops, the amperage
must correct answers Increase
Atomizing type burners were designed to burn which type of fuel correct answers Type 2 fuel
oil
Pour point problems with outside above ground fuel tanks can be partially relieved by correct
answers Reducing the pour point of No. 2 fuel oil by blending it with No. 1 fuel oil.
A fuel oil storage tank cannot be installed correct answers In the furnace room with 5' of
heating unit.
The primary purpose of a fuel pump on a high-pressure burner is to correct answers Deliver
oil at a constant and regulated pressure to the nozzle
If the vacuum reading is substantially above the calculated reading, (with the burner running)
the cause may be correct answers Plugged fuel filter, Kinked oil supply line, Check valve
sticking
With most new flame retention burners, the motor speed is correct answers 3450
To check for proper nozzle line cut-off, the pressure gauge is installed in the correct answers
Nozzle Port
Fuel units are generally set at the factory at correct answers 100psi
The oil burner nozzle in a high-pressure burner performs the following functions correct
answers Atomizes the oil
Provides a pattern of oil spray
Delivers a fixed amount of oil
The nozzle flow rate, spray angle and pattern are directly related to correct answers
•Tangential slots
. Swirl chamber
Orifice
Cold oil or high viscosity problems may be eliminated by correct answers •Increasing pump
pressure and reducing nozzle size
• Installing a nozzle line pre-heater
The following conditions or elements affect choosing the correct nozzle spray pattern correct
answers •Air-oil mixing design of burner
•. Shape of the chamber
Which condition affects nozzle spray droplet size? correct answers Fuel Pump Pressure
, To burn one pound of fuel oil, it takes how many pounds of air? correct answers •14.4 lbs.
A layer of soot 1/16" thick will increase fuel consumption by (Fuel consumption increase by
2 % for each 1/32 of soot) correct answers 8%
When sizing a combustion chamber for a firing rate of 1.00 gph you should provide a
minimum floor space of (•20 square inches per 0.25 of GPH) correct answers •Between 80 to
100 square inches
The most common type of burner design in use today is the correct answers High pressure
atomizing
Poor draft due to a faulty chimney may be improved by installing a good correct answers
•Draft inducer
The pressure differential produced by chimneys is best measured with a draft gauge in correct
answers Inches of water column
The most important draft measurement to be taken on any oil-fired unit is correct answers
The draft at the breech
The draft over the fire
The proper location to install a draft inducer is correct answers •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 answers Steady state efficiency
The holes that are provided in the flue pipe for combustion testing must be correct answers
•Between the heating unit and the draft regulator
When using a pump type smoke tester, ten full strokes are necessary to correct answers
•Draw the proper amount of flue gas past the paper
The fluid in a CO2 tester is good for about how many tests? correct answers For about 400
tests
When applying current through a conductor that is wound in coil, the magnetic lines of force
created are used in correct answers •Solenoid valve
. Relay
.Electric Motor
If in an average 15-amp residential heating circuit, the fuse occasionally blows, you should
correct answers Install a 15-amp breaker
To determine the "electrical potential" available at any given point in a circuit you should use
a: correct answers Voltmeter
Oil burner ignition systems normally operate at what primary voltage correct answers 120
volts
ACCURATE ANSWERS; GUARANTEED PASS!!
In an electric circuit for the wattage to remain the same if the voltage drops, the amperage
must correct answers Increase
Atomizing type burners were designed to burn which type of fuel correct answers Type 2 fuel
oil
Pour point problems with outside above ground fuel tanks can be partially relieved by correct
answers Reducing the pour point of No. 2 fuel oil by blending it with No. 1 fuel oil.
A fuel oil storage tank cannot be installed correct answers In the furnace room with 5' of
heating unit.
The primary purpose of a fuel pump on a high-pressure burner is to correct answers Deliver
oil at a constant and regulated pressure to the nozzle
If the vacuum reading is substantially above the calculated reading, (with the burner running)
the cause may be correct answers Plugged fuel filter, Kinked oil supply line, Check valve
sticking
With most new flame retention burners, the motor speed is correct answers 3450
To check for proper nozzle line cut-off, the pressure gauge is installed in the correct answers
Nozzle Port
Fuel units are generally set at the factory at correct answers 100psi
The oil burner nozzle in a high-pressure burner performs the following functions correct
answers Atomizes the oil
Provides a pattern of oil spray
Delivers a fixed amount of oil
The nozzle flow rate, spray angle and pattern are directly related to correct answers
•Tangential slots
. Swirl chamber
Orifice
Cold oil or high viscosity problems may be eliminated by correct answers •Increasing pump
pressure and reducing nozzle size
• Installing a nozzle line pre-heater
The following conditions or elements affect choosing the correct nozzle spray pattern correct
answers •Air-oil mixing design of burner
•. Shape of the chamber
Which condition affects nozzle spray droplet size? correct answers Fuel Pump Pressure
, To burn one pound of fuel oil, it takes how many pounds of air? correct answers •14.4 lbs.
A layer of soot 1/16" thick will increase fuel consumption by (Fuel consumption increase by
2 % for each 1/32 of soot) correct answers 8%
When sizing a combustion chamber for a firing rate of 1.00 gph you should provide a
minimum floor space of (•20 square inches per 0.25 of GPH) correct answers •Between 80 to
100 square inches
The most common type of burner design in use today is the correct answers High pressure
atomizing
Poor draft due to a faulty chimney may be improved by installing a good correct answers
•Draft inducer
The pressure differential produced by chimneys is best measured with a draft gauge in correct
answers Inches of water column
The most important draft measurement to be taken on any oil-fired unit is correct answers
The draft at the breech
The draft over the fire
The proper location to install a draft inducer is correct answers •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 answers Steady state efficiency
The holes that are provided in the flue pipe for combustion testing must be correct answers
•Between the heating unit and the draft regulator
When using a pump type smoke tester, ten full strokes are necessary to correct answers
•Draw the proper amount of flue gas past the paper
The fluid in a CO2 tester is good for about how many tests? correct answers For about 400
tests
When applying current through a conductor that is wound in coil, the magnetic lines of force
created are used in correct answers •Solenoid valve
. Relay
.Electric Motor
If in an average 15-amp residential heating circuit, the fuse occasionally blows, you should
correct answers Install a 15-amp breaker
To determine the "electrical potential" available at any given point in a circuit you should use
a: correct answers Voltmeter
Oil burner ignition systems normally operate at what primary voltage correct answers 120
volts
