FDNY C14 REVIEW 2026 EXAMS QUESTIONS AND
ANSWERS SURE A+
✔✔Arabic numeral classes - ✔✔Higher numbers = higher hazard
✔✔NFPA Diamond sign Hazard severity indicators - ✔✔number on corresponding
square 0-4
0 - minimal hazard
4 - severe hazard
✔✔NFPA Diamond Blue - ✔✔Health hazard, left square
Classes:
0 - no hazard beyond ordinary combustible materials
1 - significant irritation
2 - temporary incapacitation/residual injury
3 - serious/permanent injury
4 - lethal
✔✔NFPA Diamond Red - ✔✔Flammability, top square
Classes:
0 - will not burn under typical fire conditions
1 - must be preheated for ignition to occur
2 - must be moderately heated or exposed to relatively high ambient temperatures
before ignition can occur
3 - can ignite under almost all ambient temperature conditions
4 - rapidly or completely vaporize at atmospheric pressure, readily dispersed into the
air, burn readily
✔✔NFPA Diamond Yellow - ✔✔Instability/Reactivity, right square
Classes:
0 - normally stable
1 - normally stable, but can become unstable at elevated temps/pressures
2 - readily undergo violent chemical changes at elevated temp/pressure
, 3 - capable of detonation/explosive decomposition but require strong ignition source
4 - readily capable of detonation/explosive reaction at normal temp/pressure
✔✔NFPA Diamond White - ✔✔Special hazards, bottom square
✔✔NFPA special hazard symbols - ✔✔W - unusual reactivity with water
OX - material is an oxidizer
✔✔Class of water reactivity hazards - ✔✔0 - essentially non reactive
1 - react vigorously with water, but not violently
2 - react violently with water
3 - react explosively with water
✔✔Who issues fire department permits? - ✔✔Fire commissioner
✔✔How long are permits valid for? - ✔✔12 months
✔✔What is required for permit renewal? - ✔✔inspection
✔✔How to determine if lab is pre-existing or new - ✔✔pre existing - on permit, under lab
address, listed as "type"
new - on permit, under lab address, lab size and fire rating listed
✔✔Leading causes of hazardous material incidents, work place accidents/fires -
✔✔poor operations, house keeping, and work practices
✔✔Parts of the evaluation to be done before performing a chemical reaction - ✔✔1 -
hazards associated with the properties/reactivity of materials and intermediate/end
products formed
2 - hazards associated with operation of equipment
3 - hazards associated with proposed reactions
✔✔Who is responsible for periodic inspection, testing, and maintenance of systems? -
✔✔Building owners, C of F holders should be aware of requirements and notify building
owner if something is non functional
✔✔Capacity limits of incompatible materials - ✔✔5 pounds
0.5 gallons
✔✔Separation of incompatible material options - ✔✔1 - distance of >20ft
2 - in hazardous material storage cabinets, not in same cabinets
3 - gas cabinets/exhausted enclosures
4 - isolating by a noncombustible partition extending no less than 18 inches above and
to sides
ANSWERS SURE A+
✔✔Arabic numeral classes - ✔✔Higher numbers = higher hazard
✔✔NFPA Diamond sign Hazard severity indicators - ✔✔number on corresponding
square 0-4
0 - minimal hazard
4 - severe hazard
✔✔NFPA Diamond Blue - ✔✔Health hazard, left square
Classes:
0 - no hazard beyond ordinary combustible materials
1 - significant irritation
2 - temporary incapacitation/residual injury
3 - serious/permanent injury
4 - lethal
✔✔NFPA Diamond Red - ✔✔Flammability, top square
Classes:
0 - will not burn under typical fire conditions
1 - must be preheated for ignition to occur
2 - must be moderately heated or exposed to relatively high ambient temperatures
before ignition can occur
3 - can ignite under almost all ambient temperature conditions
4 - rapidly or completely vaporize at atmospheric pressure, readily dispersed into the
air, burn readily
✔✔NFPA Diamond Yellow - ✔✔Instability/Reactivity, right square
Classes:
0 - normally stable
1 - normally stable, but can become unstable at elevated temps/pressures
2 - readily undergo violent chemical changes at elevated temp/pressure
, 3 - capable of detonation/explosive decomposition but require strong ignition source
4 - readily capable of detonation/explosive reaction at normal temp/pressure
✔✔NFPA Diamond White - ✔✔Special hazards, bottom square
✔✔NFPA special hazard symbols - ✔✔W - unusual reactivity with water
OX - material is an oxidizer
✔✔Class of water reactivity hazards - ✔✔0 - essentially non reactive
1 - react vigorously with water, but not violently
2 - react violently with water
3 - react explosively with water
✔✔Who issues fire department permits? - ✔✔Fire commissioner
✔✔How long are permits valid for? - ✔✔12 months
✔✔What is required for permit renewal? - ✔✔inspection
✔✔How to determine if lab is pre-existing or new - ✔✔pre existing - on permit, under lab
address, listed as "type"
new - on permit, under lab address, lab size and fire rating listed
✔✔Leading causes of hazardous material incidents, work place accidents/fires -
✔✔poor operations, house keeping, and work practices
✔✔Parts of the evaluation to be done before performing a chemical reaction - ✔✔1 -
hazards associated with the properties/reactivity of materials and intermediate/end
products formed
2 - hazards associated with operation of equipment
3 - hazards associated with proposed reactions
✔✔Who is responsible for periodic inspection, testing, and maintenance of systems? -
✔✔Building owners, C of F holders should be aware of requirements and notify building
owner if something is non functional
✔✔Capacity limits of incompatible materials - ✔✔5 pounds
0.5 gallons
✔✔Separation of incompatible material options - ✔✔1 - distance of >20ft
2 - in hazardous material storage cabinets, not in same cabinets
3 - gas cabinets/exhausted enclosures
4 - isolating by a noncombustible partition extending no less than 18 inches above and
to sides
