NORA STUDY GUIDE EXPECTED QUESTIONS WITH
VERIFIED ANSWERS
Question 1.
The key final adjustment for most oil burners is?
ANSWER
Combustion Air
Question 2.
Dirt or lint build-up in the bevel of the burner fan blades will?
ANSWER
Reduce the blade bevel and reduce the amount of air delivered
Question 3.
To change the air ratio for different firing rates with an adjustable head burner you?
ANSWER
Move the head forward or backward, against or away from the ring closing or opening the
tertiary slot
Question 4.
One advantage of high static pressure burners is?
ANSWER
Allows manufacturers to create tighter more efficient heat exchangers
Question 5.
One gallon of #2 fuel oil contains approximately?
ANSWER
140,000 BTU'S
,Question 6.
All petroleum products are chemical compounds of?
ANSWER
Carbon & Hydrogen
Question 7.
The flash point of a fuel is an indication of?
ANSWER
The maximum temperature at which fuel can be stored safely and handled without a serious
fire hazard. 100 degrees
Question 8.
The ignition point of fuel is?
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
Question 9.
The pour point of #2 oil is?
ANSWER
The lowest point at which fuel will flow. 17 degrees
Question 10.
As heating oil gets colder it's viscosity?
ANSWER
Increases
Question 11.
Sulfuric acid in combustion gases can?
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
, Question 12.
The home for bacterial growth and sludge in the bottom of the oil tank is?
ANSWER
Water
Question 13.
To insure clean, uncontaminated fuel reaches the oil burner?
ANSWER
Make sure to use a clean oil filter at the tank
Question 14.
Water in oil tanks comes from?
ANSWER
Condensation, broken tank gauge, loose vent or fill fittings or missing caps, pumping old oil
into new tank
Question 15.
When installing an oil tank be sure?
ANSWER
Fill and vent are pitched downwards, install oil filter
Question 16.
Oil lines buried in concrete should be?
ANSWER
Covered copper oil line
Question 17.
Fuel units (oil pumps) perform the following function
ANSWER
Draw oil from the tank to the burner and pressurize the oil to 100 PSI or greater
VERIFIED ANSWERS
Question 1.
The key final adjustment for most oil burners is?
ANSWER
Combustion Air
Question 2.
Dirt or lint build-up in the bevel of the burner fan blades will?
ANSWER
Reduce the blade bevel and reduce the amount of air delivered
Question 3.
To change the air ratio for different firing rates with an adjustable head burner you?
ANSWER
Move the head forward or backward, against or away from the ring closing or opening the
tertiary slot
Question 4.
One advantage of high static pressure burners is?
ANSWER
Allows manufacturers to create tighter more efficient heat exchangers
Question 5.
One gallon of #2 fuel oil contains approximately?
ANSWER
140,000 BTU'S
,Question 6.
All petroleum products are chemical compounds of?
ANSWER
Carbon & Hydrogen
Question 7.
The flash point of a fuel is an indication of?
ANSWER
The maximum temperature at which fuel can be stored safely and handled without a serious
fire hazard. 100 degrees
Question 8.
The ignition point of fuel is?
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
Question 9.
The pour point of #2 oil is?
ANSWER
The lowest point at which fuel will flow. 17 degrees
Question 10.
As heating oil gets colder it's viscosity?
ANSWER
Increases
Question 11.
Sulfuric acid in combustion gases can?
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
, Question 12.
The home for bacterial growth and sludge in the bottom of the oil tank is?
ANSWER
Water
Question 13.
To insure clean, uncontaminated fuel reaches the oil burner?
ANSWER
Make sure to use a clean oil filter at the tank
Question 14.
Water in oil tanks comes from?
ANSWER
Condensation, broken tank gauge, loose vent or fill fittings or missing caps, pumping old oil
into new tank
Question 15.
When installing an oil tank be sure?
ANSWER
Fill and vent are pitched downwards, install oil filter
Question 16.
Oil lines buried in concrete should be?
ANSWER
Covered copper oil line
Question 17.
Fuel units (oil pumps) perform the following function
ANSWER
Draw oil from the tank to the burner and pressurize the oil to 100 PSI or greater
