NORA Study Guide QUESTIONS WITH
COMPLETE SOLUTIONS
The key final adjustment for most oil burners is? - correct answer ✔✔ Combustion Air
Dirt or lint build-up in the bevel of the burner fan blades will? - correct answer ✔✔ Reduce the
blade bevel and reduce the amount of air delivered
To change the air ratio for different firing rates with an adjustable head burner you? - correct
answer ✔✔ Move the head forward or backward, against or away from the ring closing or
opening the tertiary slot
One advantage of high static pressure burners is? - correct answer ✔✔ Allows manufacturers to
create tighter more efficient heat exchangers
One gallon of #2 fuel oil contains approximately? - correct answer ✔✔ 140,000 BTU'S
All petroleum products are chemical compounds of? - correct answer ✔✔ Carbon & Hydrogen
The flash point of a fuel is an indication of? - correct answer ✔✔ The maximum temperature at
which fuel can be stored safely and handled without a serious fire hazard. 100 degrees
The ignition point of fuel is? - correct answer ✔✔ The lowest temperature at which rapid
combustion of a fuel will take place. The point at which all fuel has been heated and vaporized.
500 degrees
, The pour point of #2 oil is? - correct answer ✔✔ The lowest point at which fuel will flow. 17
degrees
As heating oil gets colder it's viscosity? - correct answer ✔✔ Increases
Sulfuric acid in combustion gases can? - correct answer ✔✔ Create Sulfuric Trioxide which can
react with the water vapor in the combustion gases to create a sulfuric acid aerosol which will
scale up the heat exchanger
The home for bacterial growth and sludge in the bottom of the oil tank is? - correct answer ✔✔
Water
To insure clean, uncontaminated fuel reaches the oil burner? - correct answer ✔✔ Make sure to
use a clean oil filter at the tank
Water in oil tanks comes from? - correct answer ✔✔ Condensation, broken tank gauge, loose
vent or fill fittings or missing caps, pumping old oil into new tank
When installing an oil tank be sure? - correct answer ✔✔ Fill and vent are pitched downwards,
install oil filter
Oil lines buried in concrete should be? - correct answer ✔✔ Covered copper oil line
Fuel units (oil pumps) perform the following function - correct answer ✔✔ Draw oil from the
tank to the burner and pressurize the oil to 100 PSI or greater
The best way to clear a clogged oil line is to? - correct answer ✔✔ Flush out the lines
COMPLETE SOLUTIONS
The key final adjustment for most oil burners is? - correct answer ✔✔ Combustion Air
Dirt or lint build-up in the bevel of the burner fan blades will? - correct answer ✔✔ Reduce the
blade bevel and reduce the amount of air delivered
To change the air ratio for different firing rates with an adjustable head burner you? - correct
answer ✔✔ Move the head forward or backward, against or away from the ring closing or
opening the tertiary slot
One advantage of high static pressure burners is? - correct answer ✔✔ Allows manufacturers to
create tighter more efficient heat exchangers
One gallon of #2 fuel oil contains approximately? - correct answer ✔✔ 140,000 BTU'S
All petroleum products are chemical compounds of? - correct answer ✔✔ Carbon & Hydrogen
The flash point of a fuel is an indication of? - correct answer ✔✔ The maximum temperature at
which fuel can be stored safely and handled without a serious fire hazard. 100 degrees
The ignition point of fuel is? - correct answer ✔✔ The lowest temperature at which rapid
combustion of a fuel will take place. The point at which all fuel has been heated and vaporized.
500 degrees
, The pour point of #2 oil is? - correct answer ✔✔ The lowest point at which fuel will flow. 17
degrees
As heating oil gets colder it's viscosity? - correct answer ✔✔ Increases
Sulfuric acid in combustion gases can? - correct answer ✔✔ Create Sulfuric Trioxide which can
react with the water vapor in the combustion gases to create a sulfuric acid aerosol which will
scale up the heat exchanger
The home for bacterial growth and sludge in the bottom of the oil tank is? - correct answer ✔✔
Water
To insure clean, uncontaminated fuel reaches the oil burner? - correct answer ✔✔ Make sure to
use a clean oil filter at the tank
Water in oil tanks comes from? - correct answer ✔✔ Condensation, broken tank gauge, loose
vent or fill fittings or missing caps, pumping old oil into new tank
When installing an oil tank be sure? - correct answer ✔✔ Fill and vent are pitched downwards,
install oil filter
Oil lines buried in concrete should be? - correct answer ✔✔ Covered copper oil line
Fuel units (oil pumps) perform the following function - correct answer ✔✔ Draw oil from the
tank to the burner and pressurize the oil to 100 PSI or greater
The best way to clear a clogged oil line is to? - correct answer ✔✔ Flush out the lines
