TB #5 AUTOMOBILE FIRES AND ASSOCIATED HAZARDS Flashcards
PERCENTAGE OF FIRE RESPONSES INVOLVING MOTOR VEHICLES?
20%
WHAT DO YOU DISCONNECT FIRST WHEN SAFE FROM CAR BATTERY?
GROUND CABLE ( ATTACHED TO VEHICLE BODY FRAME)
WHAT ARE POSSIBLE ADDITIONAL SOURCES FOR WATER SUPPLY FOR CAR FIRES?
ADDITIONAL APPARATUS, HYDRANTS, POOLS, RESERVOIRS, WATER TANK TRUCKS, UTILIZATION OF ARIEL LADDER TO IMPROVISE A STANDPIPE TO REACH FREEWAYS
WHEN FREON GAS FOUND IN AIR CONDITIONERS DECOMPOSES DUE TO HEAT, IT GIVES OFF WHAT TOWO TOXIC GASES?
PHOSGENE AND FLUORIDE
HOW FAR CAN HYDRAULIC BUMPERS TRAVEL UP TO DUE TO PRESSURE BUILD UP BY FIRE?
3” & 25’ (GAS CHAMBER FILLED WITH NITROGEN/ HELIUM PRESSURIZED TO 150PSI)
HOW FAR CAN MECHANICAL BUMPERS TRAVEL?
4’’ (SPRINGS WHICH ABSORB IMPACT)
WHAT GLASS IS TEMPERED OR SAFTEY ON A CAR?
-TEMPERED (MOST OF CAR)
-SAFTEY (WINDSHEILD)
*** TAKE IN MIND TINTED GLASS HAS THE ABILITY TO CAMOUFLAGE A SMOKE FILLED VEHICLE
FLASH POINT AND SPECIFIC GRAVITY OF GASOLINE?
-45 DEGREES F, 0.8
FLASH POINT AND SPECIFIC GRAVITY OF DIESEL?
125 DEGREES F, 1.0
WORKING WIHTIN HOW MANY FEET OF AN AUTO FIRE CONSTITUTES WORKING IN IDLH?
30’
***ANY MEMBER WORKING WITHIN IDLH OF ANY VEHICLE FIRE PRIOR TO EXTINGUISHMENT OR BEFORE BEING DETERMINED TO BE SAFE BY IC SHALL HAVE PPE/SCBA ON
WHAT ARE THE CONSIDERATIONS OF APPARATUS PLACEMENT FOR A VEHICLE FIRE?
-UPHILL
-UPWIND
-PERSONNEL PROTECTION
-WARNING DEVICES
***EARLY CONSIDERATION FOR WATER SUPPLY NEEDS TO BE ADDRESSED EARLY
CHP RESEARCH HAD INDICATED THAT THE USE OF EXCESSIVE WARNING LIGHTS MAY CAUSE ___, PARTICULARLY IN DRUG DRIVERS.
FOCUS FIXATION
BATTERIES IN VEHICLES ARE HAZARDOUS DUE TO THE PRESENCE OF ___.
HYDROGEN VAPORS
WHAT IS THE LEADING CAUSE OF VEHICLE FIRES IN ENGINE COMPARTMENTS?
FUEL SYSTEM MALFUNCTION
WHAT ARE THE USUAL CAUSES OF TIRE FIRES FOR A VEHICLE?
-OVERHEATED BRAKES
-UNDER INFLATION OF TIRES
NOTE**
THE MOST SEVERE CASUALITIES IN TERMS OF LOSS OF LIFE AND PROPERTY OCCURS FROM FIRES FOLLOWING A REAR END COLLISION DUE TO MAJORITY OF FUEL TANKS LOCATED IN REAR OF VEHICLE
WHEN POSSIBLE PLACE DRY CHEMICAL EXTINGUISHER ON THE ____ SIDE OF THE VEHICLE.
WINDWARD
WHAT IS THE EFFECTIVE RANGE OF A 20 POUND DRY CHEMICAL EXTINGUISHER?
15-20 FEET
WHAT DOES BLEVE STAND FOR?
BOILIING LIQUID EXPANDING VAPOR EXPLOSION
*** BIG CONCERN WITH FIRES IN VEHICLES UTILIZING LPG
THE LPG STORAGE CYLINDER IS USUALLY FOUND ON THE EXTERIOR OF THE VEHICLE ON EITHER SIDE OR THE REAR. THE STORAGE TANK MAY BE FOUND IN THE VEHICLE INTERIOR IF WHAT?
PROPERLY SEALED AND SEPARATED FROM PASSENGER COMPARTMENT
AIR VAPORS COMING OUT FROM RELIEF VALVE HAV BEEN IGNITED WHAT SHOULD BE DONE?
ALLOW LPG TO BURN AND PROTECT EXPOSURES
IF FIRE IS IMPINGING ON THE LPG STORAGE CYLINDER WHAT ACTIONS SHOULD BE DONE?
-CONTROL FIRE
-COOL CYLINDER
RECORDED BLEVES HAVE OCCURRED WITHIN __ MINUTES OF FIRE EXPOSURE. ENSURE SAFTEY OF PERSONNEL AND OPERATIONS AT ALL TIMES.
10
LPG IS ___ THAN AIR. IT TENDS TO SETTLE INTO LOW LYING AND CONFINED AREAS SUCH AS GARAGES
HEAVIER
NOTE***
THE VAPOR CLOUD OF LPG IS VISIBLE BUT CANNOT BE SEEN TO ACCURATELY DEFINE FLAMMABLE PERIMETERS. VAPORS CAN FLASHOVER THE ENTIRE CONFINED AREA IF IGNITED
LPG VAPR CLOUDS CAN BE DISPERSED USING __ STREAMS.
FOG
LIST OF TOXIC GASES DUE TO BURNING PLASTICS
-AMMONIA
-HDROGEN CHLORIDE
-NITROGEN DIOXIDE
-CARBON DIOXIDE
-HYDROGEN CYNAIDE
-NITRIC OXIDE
-CARBON MONOXIDE
HDROGEN SULFIDE
-SUFUR DIOXIDE
-ACETIC ACID
-ACETIC ANHYDRIDE
-FORMALDEHYDE
-ACETALDEHDE ACROLEIN
-FORMIC ACIDE
-FURFURAL
WHAT ARE THE COMBUSTIBLE METALS FOUND IN ENGINE BLOCKS, HEADS, WHEELS, HEADLIGHT CASING, ETC>
ALLOY ALUMINUM AND MAGNESIUM
NOTE***
MOST OF THE SO CALLED MAG WHEEELS ARE AN ALUMINUM ALLOY AND DO NOT CONTAIN MAGNESIUM
FOR VEHICLE EXTRICATIONS __ MINIMUM WORKING AREA MUST BE ESTABLISHED.
30’
DURING VEHICLE EXTRICATION, VICTIM STABILIZATION CAN BE INITIATED AFTER WHAT HAS BEEN ASSURED?
-PERSONNEL SAFETY
-CONTROL OF INCIDENT
WHO IS DESIGNATED AS THE SAFETY OFFICER DURING A VEHICLE EXTRICATION?
ENGINE COMPANY CAPTIAIN
ENGINEERS OF A VEHICLE EXTRICATION ARE RESPONSIBLE FOR WHAT?
-TRAFFIC CONTROL
-SECONDARY WATER SUPPLY
EXTRICATION INCIDENETS DEMAND __, __, AND __. OUR OBJECTIVE AS EMERGENCY RESPONDERS IS TO BE A PART OF THE SOLUTION, NOT PART OF THE PROBLEM.
-CREATIVITY
-DISIPLINE
-FLEXIBILITY
GAS CAP EMISSION CONTROL CAPS ARE A SEALED UNIT WITH A ___ RELIEF VALVE.
PRESSURE/ VACCUM
WHAT ARE THE 3 STRATEGIC TACTICS TO VEHICLE FUEL LEAKS?
-CONTAINMENT
-ABSORPTION
-DILUTION
