NAFI Test Questions With Complete Solutions
_______________ are common sources of ignition for fires in
vehicles.
a. Electrical arcs
b. Hot surfaces
c. Open flames
d. All of the above Correct Answers d. All of the above
____________________ are the visible or measurable physical
effects that remain after a fire. These include thermal effects on
materials, such as charring, oxidation, consumption of
combustibles, smoke and soot deposits, distortion, melting, color
changes, changes in character of materials, structural collapse,
and other effects.
a. Fire arrows
b. Fire pointers
c. Fire patterns
d. Flammable patterns Correct Answers c. Fire patterns
14. When the ignition is off and the vehicle is not running,
vehicle circuits having a+ 12 volt potential will still supply
current from ______________ to ______________.
a. battery to starter
b. battery to alternator
c. battery to ignition
d. all of the above Correct Answers d. all of the above
,A dragging or improperly adjusted brake can overheat to the
point a fire can occur.
a. True
b. False Correct Answers a. True
A lit cigarette can be a competent ignition source for
______________.
a. gasoline vapors.
b. diesel fuel vapors.
c. transmission fluid vapors.
d. paper debris Correct Answers d. paper debris
A momentary electrical arc or spark can be considered as a
competent ignition source for Diesel fuel at room temperatures.
a. True
b. False Correct Answers b. False
A passenger compartment fire will frequently cause failure at
the bottom of the windshield?
A. True
B. False Correct Answers B. False
A wide variety of materials and substances may serve as the first
materials ignited in motor vehicle fires. These include engine
fuels; transmission,·power steering, and brake fluids; coolants;
lubricants; and the vehicle interior materials or cargo. Once a
fire is started, any of these materials may contribute as a
, secondary fuel, affecting the fire growth rate and the ultimate
damage sustained.
a. True
b. False Correct Answers a. True
An overheated automatic transmission may result in
transmission fluid being expelled from the transmission dipstick
presenting a fire hazard if it comes in contact with a hot surface
capable of raising the transmission fluid to its ignition
temperature.
a. True
b. False Correct Answers 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 Correct Answers c. ignitable liquid
Compared to gasoline, brake fluid is a higher flash point liquid.
a. True
b. False Correct Answers a. True
_______________ are common sources of ignition for fires in
vehicles.
a. Electrical arcs
b. Hot surfaces
c. Open flames
d. All of the above Correct Answers d. All of the above
____________________ are the visible or measurable physical
effects that remain after a fire. These include thermal effects on
materials, such as charring, oxidation, consumption of
combustibles, smoke and soot deposits, distortion, melting, color
changes, changes in character of materials, structural collapse,
and other effects.
a. Fire arrows
b. Fire pointers
c. Fire patterns
d. Flammable patterns Correct Answers c. Fire patterns
14. When the ignition is off and the vehicle is not running,
vehicle circuits having a+ 12 volt potential will still supply
current from ______________ to ______________.
a. battery to starter
b. battery to alternator
c. battery to ignition
d. all of the above Correct Answers d. all of the above
,A dragging or improperly adjusted brake can overheat to the
point a fire can occur.
a. True
b. False Correct Answers a. True
A lit cigarette can be a competent ignition source for
______________.
a. gasoline vapors.
b. diesel fuel vapors.
c. transmission fluid vapors.
d. paper debris Correct Answers d. paper debris
A momentary electrical arc or spark can be considered as a
competent ignition source for Diesel fuel at room temperatures.
a. True
b. False Correct Answers b. False
A passenger compartment fire will frequently cause failure at
the bottom of the windshield?
A. True
B. False Correct Answers B. False
A wide variety of materials and substances may serve as the first
materials ignited in motor vehicle fires. These include engine
fuels; transmission,·power steering, and brake fluids; coolants;
lubricants; and the vehicle interior materials or cargo. Once a
fire is started, any of these materials may contribute as a
, secondary fuel, affecting the fire growth rate and the ultimate
damage sustained.
a. True
b. False Correct Answers a. True
An overheated automatic transmission may result in
transmission fluid being expelled from the transmission dipstick
presenting a fire hazard if it comes in contact with a hot surface
capable of raising the transmission fluid to its ignition
temperature.
a. True
b. False Correct Answers 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 Correct Answers c. ignitable liquid
Compared to gasoline, brake fluid is a higher flash point liquid.
a. True
b. False Correct Answers a. True
