NFI Exam Study: main set questions with verified
answers already passed
1. Why use a simulation of the flame and fuel of the solid fuel fireplace or stove.
gas hearth Combine the convenience and combustion efficiency of gas fuels with
appli- ance? the aesthetics and tradition of wood burning.
2. What are the -Fuel - gas (natural gas or propane)
requirements -oxygen - air
for -Ignition - heat (flame, spark or hot-surface)
COMBUSTION to
take place? Section 1: Chapter 2 (2.2)
1. Missing any of combustion requirements
3. What causes -ignition temperature, flammability limits, combustion ratio, heat value
in- complete 2. Incorrect inputs
com- bustion? -main burner orifice, type of fuel, fuel pressure
3. Closing Air Shutter
Section 1 & 2: chapter 1 (1.2.2-1.2.3) & chapter 2 (2.1-2.2.1.1)
-Poor appliance performance
4. What are the -Scooting
results of in- -Carbon Monoxide
complete -Aldehydes
com-
bustion? Section 1: Chapter 1 & 2
5. What are the dan- - colorless, tasteless, toxic, combustible gas
gers of (CO) car- bon monoxide?
1/
14
, NFI Exam Study: main set questions with verified
answers already passed
-exposer can cause;
headaches, fatigue,
nausea, dizziness,
convulsions, death
-Ettects can depend on;
CO concentration, age,
sex, health, size of
victim
2/
14
answers already passed
1. Why use a simulation of the flame and fuel of the solid fuel fireplace or stove.
gas hearth Combine the convenience and combustion efficiency of gas fuels with
appli- ance? the aesthetics and tradition of wood burning.
2. What are the -Fuel - gas (natural gas or propane)
requirements -oxygen - air
for -Ignition - heat (flame, spark or hot-surface)
COMBUSTION to
take place? Section 1: Chapter 2 (2.2)
1. Missing any of combustion requirements
3. What causes -ignition temperature, flammability limits, combustion ratio, heat value
in- complete 2. Incorrect inputs
com- bustion? -main burner orifice, type of fuel, fuel pressure
3. Closing Air Shutter
Section 1 & 2: chapter 1 (1.2.2-1.2.3) & chapter 2 (2.1-2.2.1.1)
-Poor appliance performance
4. What are the -Scooting
results of in- -Carbon Monoxide
complete -Aldehydes
com-
bustion? Section 1: Chapter 1 & 2
5. What are the dan- - colorless, tasteless, toxic, combustible gas
gers of (CO) car- bon monoxide?
1/
14
, NFI Exam Study: main set questions with verified
answers already passed
-exposer can cause;
headaches, fatigue,
nausea, dizziness,
convulsions, death
-Ettects can depend on;
CO concentration, age,
sex, health, size of
victim
2/
14
