NORA Bronze Test QUESTIONS &
ANSWERS PASSED
what are the 3 basic parts of combustion? - correct answer ✔✔ fuel, heat, air
high pressure oil forced through a nozzle does what? - correct answer ✔✔ atomizes the oil,
mixes the droplets with air, allows oil to burn
modern flame retention head burner motors operate at what speed - correct answer ✔✔ 3450
rpm
dirt or lint buildup in the bevel of the burner motor fan blades will cause what? - correct answer
✔✔ reduce the amount of combustion air
what are the two types of burner motors? - correct answer ✔✔ split phase and permanent split
capacitor
what are the three basic parts of the fuel pump? - correct answer ✔✔ strainer, gear set,
regulating valve
the ignition transformer or igniter is one of the basic needs for what? - correct answer ✔✔
combustion
the final key adjustment for most oil burners is what? - correct answer ✔✔ combustion air
To change the air ratio for different firing rates with an adjustable head burner, what do we
adjust - correct answer ✔✔ the position of the drawer assembly in the air tube
, one advantage to high static pressure burners is what? - correct answer ✔✔ more efficient heat
exchangers (higher efficiency)
All petroleum based products are based chemically on what elements? - correct answer ✔✔
hydrogen and carbon
one gallon of heating oil contains how many BTU's? - correct answer ✔✔ 140,000
A BTU is a measure of ______. - correct answer ✔✔ heat
flash point is what? - correct answer ✔✔ lowest temp at which fuel will flash but not continue
to burn
ignition point is what? - correct answer ✔✔ lowest temp at which rapid combustion of the fuel
will take place in the air
pour point #2 oil is what? - correct answer ✔✔ lowest temp at which oil will flow
as oil gets colder does the viscosity increase or decrease? - correct answer ✔✔ increases
water in the bottom of the tank will lead to what two things? - correct answer ✔✔ sludge and
ice
sludge is a combination of what three things? - correct answer ✔✔ water, bacteria, degraded
fuel and other contaminants
ANSWERS PASSED
what are the 3 basic parts of combustion? - correct answer ✔✔ fuel, heat, air
high pressure oil forced through a nozzle does what? - correct answer ✔✔ atomizes the oil,
mixes the droplets with air, allows oil to burn
modern flame retention head burner motors operate at what speed - correct answer ✔✔ 3450
rpm
dirt or lint buildup in the bevel of the burner motor fan blades will cause what? - correct answer
✔✔ reduce the amount of combustion air
what are the two types of burner motors? - correct answer ✔✔ split phase and permanent split
capacitor
what are the three basic parts of the fuel pump? - correct answer ✔✔ strainer, gear set,
regulating valve
the ignition transformer or igniter is one of the basic needs for what? - correct answer ✔✔
combustion
the final key adjustment for most oil burners is what? - correct answer ✔✔ combustion air
To change the air ratio for different firing rates with an adjustable head burner, what do we
adjust - correct answer ✔✔ the position of the drawer assembly in the air tube
, one advantage to high static pressure burners is what? - correct answer ✔✔ more efficient heat
exchangers (higher efficiency)
All petroleum based products are based chemically on what elements? - correct answer ✔✔
hydrogen and carbon
one gallon of heating oil contains how many BTU's? - correct answer ✔✔ 140,000
A BTU is a measure of ______. - correct answer ✔✔ heat
flash point is what? - correct answer ✔✔ lowest temp at which fuel will flash but not continue
to burn
ignition point is what? - correct answer ✔✔ lowest temp at which rapid combustion of the fuel
will take place in the air
pour point #2 oil is what? - correct answer ✔✔ lowest temp at which oil will flow
as oil gets colder does the viscosity increase or decrease? - correct answer ✔✔ increases
water in the bottom of the tank will lead to what two things? - correct answer ✔✔ sludge and
ice
sludge is a combination of what three things? - correct answer ✔✔ water, bacteria, degraded
fuel and other contaminants
