NAFI Test Questions with
All Correct Answers
A momentary electrical arc or spark can be considered as a competent ignition source
for Diesel fuel at room temperatures.
a. True
b. False - Answer-b. False
Factors to be considered when investigating a motor vehicle fire include:
a. prevailing winds.
b. vehicle orientation.
c. air temperature.
d. all of the above - Answer-d. all of the above
Vapors of ignitable liquids are heavier than air at 72 F.
a. True
b. False - Answer-a. True
Any liquid or the liquid phase of any material that is capable of fueling a fire, including a
flammable liquid, combustible liquid, or any other material that can be liquefied and
burned is the definition for _______________________.
a. accelerants
b. melted thermoplastics
c. ignitable liquid
d. ignitable vapors - Answer-c. ignitable liquid
When investigating a vehicle fire, information regarding safety recalls can be obtained
from the _________________________.
a. National Highway Traffic Safely Administration (NHTSA).
b. National Safety Council.
c. National Transportation Safety Board.
d. All of the above. - Answer-a. National Highway Traffic Safely Administration
(NHTSA).
, Properly tightened steel fuel line connections may loosen significantly merely from the
heat of a vehicle fire.
a. True
b. False - Answer-a. True
In order to comply with FMVSS Standard 302 burning rate of the tested material must
be less than
a. 2 inches per minute.
b. 4 inches per minute.
c. 6 inches per minute.
d. 14 inches perminute. - Answer-b. 4 inches per minute.
FMVSS 302 requires compliance for
a. present in the passenger compartment of the vehicle.
b. present in the passenger, engine and trunk of the vehicle.
c. all materials within .5 inches of the air space of the passenger compartment.
d. all materials in the vehicle. - Answer-c. all materials within .5 inches of the air space
of the passenger compartment.
FMVSS 301 does not apply to:
a. motorcycles.
b. commercial passenger vehicles.
c. trucks with gross weights less that I 0,000 pounds.
d. passenger cars. - Answer-a. motorcycles.
Factors influencing motor vehicle safety are the _____________________.
a. Vehicle's design
b. Vehicle's construction
c. Vehicle's materials
d. All of the above - Answer-d. All of the above
During a vehicle fire, electrical components such as the horn and the wipers can
suddenly operate due to fire damage.
a. True
b. False - Answer-a. True
Evidence of electrical wire separation and the formation of a bead are always indicative
that it was the source of ignition for the fire.
a. True
b. False - Answer-b. False
All Correct Answers
A momentary electrical arc or spark can be considered as a competent ignition source
for Diesel fuel at room temperatures.
a. True
b. False - Answer-b. False
Factors to be considered when investigating a motor vehicle fire include:
a. prevailing winds.
b. vehicle orientation.
c. air temperature.
d. all of the above - Answer-d. all of the above
Vapors of ignitable liquids are heavier than air at 72 F.
a. True
b. False - Answer-a. True
Any liquid or the liquid phase of any material that is capable of fueling a fire, including a
flammable liquid, combustible liquid, or any other material that can be liquefied and
burned is the definition for _______________________.
a. accelerants
b. melted thermoplastics
c. ignitable liquid
d. ignitable vapors - Answer-c. ignitable liquid
When investigating a vehicle fire, information regarding safety recalls can be obtained
from the _________________________.
a. National Highway Traffic Safely Administration (NHTSA).
b. National Safety Council.
c. National Transportation Safety Board.
d. All of the above. - Answer-a. National Highway Traffic Safely Administration
(NHTSA).
, Properly tightened steel fuel line connections may loosen significantly merely from the
heat of a vehicle fire.
a. True
b. False - Answer-a. True
In order to comply with FMVSS Standard 302 burning rate of the tested material must
be less than
a. 2 inches per minute.
b. 4 inches per minute.
c. 6 inches per minute.
d. 14 inches perminute. - Answer-b. 4 inches per minute.
FMVSS 302 requires compliance for
a. present in the passenger compartment of the vehicle.
b. present in the passenger, engine and trunk of the vehicle.
c. all materials within .5 inches of the air space of the passenger compartment.
d. all materials in the vehicle. - Answer-c. all materials within .5 inches of the air space
of the passenger compartment.
FMVSS 301 does not apply to:
a. motorcycles.
b. commercial passenger vehicles.
c. trucks with gross weights less that I 0,000 pounds.
d. passenger cars. - Answer-a. motorcycles.
Factors influencing motor vehicle safety are the _____________________.
a. Vehicle's design
b. Vehicle's construction
c. Vehicle's materials
d. All of the above - Answer-d. All of the above
During a vehicle fire, electrical components such as the horn and the wipers can
suddenly operate due to fire damage.
a. True
b. False - Answer-a. True
Evidence of electrical wire separation and the formation of a bead are always indicative
that it was the source of ignition for the fire.
a. True
b. False - Answer-b. False
