NAFI CFEI Test Questions With 100% Correct Answers 2023
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Course
NAFI CFEI
Institution
NAFI CFEI
NAFI CFEI Test Questions With 100% Correct
Answers 2023
Flash Point - ANS-Momentary Flame; the lowest temperature at which
vapors will ignite. Measuring a flash point requires an ignition source.
At the flash point, the vapor may cease to burn when the ignition
source is removed.
Accelera...
NAFI CFEI Test Questions With 100% Correct
Answers 2023
Flash Point - ANS-Momentary Flame; the lowest temperature at which
vapors will ignite. Measuring a flash point requires an ignition source.
At the flash point, the vapor may cease to burn when the ignition
source is removed.
Accelerant - ANS-Can be any material to spread fire; usually gasoline.
Origin Determination - ANS-1. Witness Information
2. Fire Patterns
3. Arc Mapping
4. Fire Dynamics
Ceiling Jet - ANS-Obstruction to plume at ceiling level creates ceiling
jets.
Thermal Inertia - ANS-The degree of slowness with which the
temperature of a body approaches that of its surroundings and which is
dependent upon its absorptivity, its specific heat, its thermal
conductivity, its dimensions, and other factors
High Order Explosion - ANS-A high order explosion describes an
explosive event where the blast pressure front moves rapidly,
shattering objects in its path. High order damage: shattering of the
structure, producing small debris pieces.
High Explosive - ANS-A high explosive is a material that has an explosion
velocity of greater than 1000 m/s, or a material capable of sustaining a
detonation
,Low Order Explosion - ANS-A low order explosion describes an
explosive event where the blast pressure front moves slowly, displacing
or heaving (rather than shattering) objects in its path. Low order
damage: characterized by walls bulge out or laid down, virtually intact,
next to the structure. roofs slightly left.
Low Explosive - ANS-A low explosive is a material that has an explosion
velocity of less than 1000 m/s.
True - Administrative Warrant - ANS-Probably cause IS NOT NEEDED to
obtain an ADMINISTRATIVE search warrant.
Conduction - ANS-Heat transfer to another body or within a body by
DIRECT contact.
Pre-Flashover conditions - ANS-In pre-flashover conditions, the primary
heat transfer mechanism for fire spread through a compartment is
conduction.
Conduction Heat Transfer - ANS-Conduction is the form of heat transfer
that takes place within solids when one portion of an object is heated.
Evidence - Demonstrative - ANS-Tangible items; see, touch, smell, hear.
Evidence - Documentary - ANS-Written form; business records, banking,
calendars, phone records, fire reports, etc...
Evidence - Testimonial - ANS-Competent live witness speaking under
oath; two types; fact and expert
Evidence - illustrative - ANS-Photos, sketches, maps, diagrams. Modes
are frequently used at trial.
, Evidence - illustravtive - ANS-Photos and Videos; what, why, how, when
Evidence collection - ANS-Document in place, document the collection,
use proper container, (flag, bag, & tag)
Evidence - collection - ANS-Fuel gas powered tools outside the
perimeter. Find out where tools were refuels.
Heat transfer - ANS-Conduction, convection, radiation
Interviews - ANS-Purpose of the interview; prepare for the interview,
document the interview
Vehicle Fires - ANS-Sparks from an aluminum wheel are not a
competent ignition source.
Vehicle Fires - ANS-The most common source of an open flame in a
vehicle is an exhaust system backfire out of a carburetor.
Vehicle Fires - ANS-Carburetor backfire leaves a distinct pattern on the
hood.
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