NFPA CFI-1 EXAM 91 CERTIFICATION
EVALUATION 2026 COMPREHENSIVE
QUESTIONS ANSWERS
◉ The two materials used in the Steiner tunnel test and their ratings
are_____________ Answer: Asbestos cement board-0
Red oak wood- 100
◉ Steiner tunnel test is the rating of surface burn of materials. It also
rates Answer: Smoke development
Fuel contributed
◉ NFPA standard for fire rating of windows and glass block Answer:
NFPA 257
◉ NFPA rating for building materials Answer: NFPA 251
◉ NFPA standard rating of surfaces flame spread rating Answer:
NFPA 255
,◉ NFPA standard for fire rating for testing of doors Answer: NFPA
252
◉ NFPA standard for doors Answer: NFPA 80
◉ what is used in testing NFPA 252 to test fire endurance Answer:
fire endurance test
and
hose stream test
◉ what takes the shape of a container but cannot be compressed
Answer: liquid
◉ the density of liquid in relation to water is called Answer: specific
gravity
◉ although gas vapors tend to assume shape, they have no
specific____________ Answer: volume
◉ flash point of a liquid will not________ Answer: continue to burn
◉ units of measuring temperature Answer: BTU
, ◉ normal combustibles BTU rating per pound Answer: 8,000 BTU's
◉ flammable & combustible liquids BTU rating per pound Answer:
16,000 BTU's
◉ fire load equals Answer: amount of fuel available to burn
◉ fire rating equals Answer: time- ie B rating is 1 hour
◉ what are the 4 products of combustion? Answer: heat
flame
smoke
gas
◉ when fire is in its smoldering stage, it lacks Answer: oxygen
◉ the 3 methods fire is transferred Answer: conduction
convection
radiation
◉ the most common method a fire is transferred is through Answer:
convection
EVALUATION 2026 COMPREHENSIVE
QUESTIONS ANSWERS
◉ The two materials used in the Steiner tunnel test and their ratings
are_____________ Answer: Asbestos cement board-0
Red oak wood- 100
◉ Steiner tunnel test is the rating of surface burn of materials. It also
rates Answer: Smoke development
Fuel contributed
◉ NFPA standard for fire rating of windows and glass block Answer:
NFPA 257
◉ NFPA rating for building materials Answer: NFPA 251
◉ NFPA standard rating of surfaces flame spread rating Answer:
NFPA 255
,◉ NFPA standard for fire rating for testing of doors Answer: NFPA
252
◉ NFPA standard for doors Answer: NFPA 80
◉ what is used in testing NFPA 252 to test fire endurance Answer:
fire endurance test
and
hose stream test
◉ what takes the shape of a container but cannot be compressed
Answer: liquid
◉ the density of liquid in relation to water is called Answer: specific
gravity
◉ although gas vapors tend to assume shape, they have no
specific____________ Answer: volume
◉ flash point of a liquid will not________ Answer: continue to burn
◉ units of measuring temperature Answer: BTU
, ◉ normal combustibles BTU rating per pound Answer: 8,000 BTU's
◉ flammable & combustible liquids BTU rating per pound Answer:
16,000 BTU's
◉ fire load equals Answer: amount of fuel available to burn
◉ fire rating equals Answer: time- ie B rating is 1 hour
◉ what are the 4 products of combustion? Answer: heat
flame
smoke
gas
◉ when fire is in its smoldering stage, it lacks Answer: oxygen
◉ the 3 methods fire is transferred Answer: conduction
convection
radiation
◉ the most common method a fire is transferred is through Answer:
convection
