Cfci exam study guide

Evidence - Demonstrative - m m m


ANSWER Tangible items; see, touch,smell, hear.
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Evidence - Documentary - m m m


mANSWER Written form; business records, banking, calendars, phone r
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ecords, fire reports, etc...
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Evidence - Testimonial - ANSWER Competent live witness speaking
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under oath; two types; fact and expert
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Evidence - illustrative - m m m


mANSWER Photos, sketches, maps, diagrams. Modes are frequently u
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sed at trial.
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Evidence - illustrative - m m m


mANSWER Photos and Videos; what, why, how, when
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Evidence collection - ANSWER Document in place, document the
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collection, and use the proper container, (flag, bag, & tag)
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Evidence - collection - m m m


mANSWER Fuel gas powered tools outside the perimeter. Find out whe
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re tools were refuels.
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Heat transfer - ANSWER Conduction, convection, radiation
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Interviews - m


mANSWER Purpose of the interview; prepare for the interview, do
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cument the interview m m


Vehicle Fires - ANSWER Sparks from an aluminum wheel are not a
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competent ignition source. m m




Vehicle Fires - m m


mANSWER The most common source of an open flame in a vehicle is a
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n exhaust system backfire out of a carburetor.
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Vehicle Fires - m m


mANSWER Carburetor backfire leaves a distinct patternon the hood.
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,Vehicle Fires - m m


mANSWER Two basic fuel systems: vacuum/low pressure carbureted sys
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tem, and high-pressure, fuel injected system.
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Vehicle Fires - ANSWER Loose battery connections; not over-
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current protected; loose connections can result in intermittent arcing.
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Vehicle Fires - ANSWER Power steering fluid: Flashpoint 347-
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356*F, autoignition 680-720*F.
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Vehicle Fires - m m


mANSWER Automatic Transmission Fluid: Flashpoint 302-
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536*F, autoignition 626-716*F.
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Vehicle Fires - m m


mANSWER Overcharging a battery does not cause it to explode.
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Explosions - m


mANSWER Low order damage: characterized by walls bulge out or laid
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down, virtually intact, next to the structure. roofs slightly left.
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Explosions - m


mANSWER High order damage: shattering of the structure, producing sma
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ll debris pieces.
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Explosions - ANSWER Post blast effects: burned debris away-
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fire preceded, unburned the debris away-no fire.
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Explosions - m


mANSWER Dust explosions: most often occur in confinedareas of relativ
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ely wide dispersal.
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Explosions - ANSWER Search 1.5 times further than the farthest piece
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of debris.
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Fire effects/ fire patterns -
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mANSWER Char shrinks as it forms. More reliable for evaluating fire sp
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read, deduce the direction based on depth, large shiny blisters (alligato
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ring) is not evidence of the use of an accelerant.
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, Fire effects/fire patterns -
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mANSWER Spalling: loss of surface material due to cracking, breaking,
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chipping, breakdown in surface tensile strength, moisture present in the
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concrete, may appear lighter in color.
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Fire effects/fire patterns -
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mANSWER Crazed glass: caused by rapidcooling.
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Fire effects/fire patterns -
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mANSWER Light bulbs 25W or more "pull" (gases expand and bubble o
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ut); 25W or less contain a vacuum and can pull in.
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Fire effects/fire patterns -
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mANSWER Annealing (softening) of springs may provide clues concerni
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ng direction, duration, and intensity.
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Fire effects/fire patterns - ANSWER Saddle burns - A U-
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shaped burn pattern found on the top of floor joists, caused by fire bur
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ning down through the floor. Often, a saddle burn is caused by a burni
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ng liquid onthe floor or radiant heat from a material close to the floor.
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Saddle burns display deep charring.
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Fire effects/fire patterns -
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mANSWER Inverted cone burns are indicative of the vertical flame plum
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e not reaching the ceiling, short-lived fires with a low HRR
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Fire effects/fire patterns -
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mANSWER Melting Temperatures: Copper 1981*F; Aluminum 1220*F;
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mSteel 2760*F m


Heat Sources - m m


mANSWER Mechanical: converted to heat when two materials rub
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against each other and create friction.
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Chemical: chemical reaction; exothermic and endothermic.
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Electrical: Converted to heat energy; flowing through a conductor.
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Nuclear: splitting the nucleus of an atom into two smaller nuclei (nuclearfi
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ssion)