Unit #5

  1. WHAT ARE THE FOUR (4) CLASSES OF FIRES?
    • ALPHA (A)
    • BRAVO (B)
    • CHARLIE (C)
    • DELTA (D)
  2. WHAT ARE CHARACTERISTICS OF EACH CLASS OF FIRE?
    • ALPHA (A) WOOD AND WOOD PRODUCTS, CLOTH, TEXTILES, PAPER.
    • BRAVO (B) FLAMMABLE AND COMBUSTIBLE LIQUIDS: FUEL OIL, PAINT, ALCOHOL, GAS
    • CHARLIE (C) ELECTRICAL FIRE
    • DELTA (D) COMBUSTIBLE METALS (MAGNESIUM, WHITE PHOSPHOREOUS,TITANIUM)
  3. PROPERTIES AND LIFE CYCLE OF A FIRE?
  4. WHAT ARE THE EXTINGUISHING METHODS OF COOLING FIRE EXTINGUISHING AGENT?
    • COOLING AGENT- WATER, USED TO COOL (STRAIGHT STREAM, NARROW, WIDE ANGLE FOG)
    • HIGH PRESSURE WATER MIST
  5. WHAT ARE THE FOUR METHODS USED TO EXTINGUISH A FIRE?
  6. WHAT IS FLASH POINT?
    LOWEST TEMPERATURE AT WHICH A SUBSTANCE GIVES OFF SUFFICIENT VAPOR TO FORM AN IGNITABLE MIXTURE.
  7. WHAT IS FIRE POINT?
    TEMPERATURE SLIGTLY ABOVE FLASH POINT THAT ALLOWS FOR SUSTAINED COMBUSTION.
  8. WHAT IS IGNITION POINT?
    MINIMUM TEMPERATURE AT WHICH SELF-SUSTAINING COMBUSTION OCCURS WITHOUT AN EXTERNAL IGNITION SOURCE.
  9. WHAT IS THE FIRE TRIANGLE?
    • FUEL
    • OXYGEN
    • HEAT
  10. WHAT IS THE FRIE TETRAHEDRON COMPONENTS?
    • FUEL
    • OXYGEN
    • HEAT
    • UNINHIBITED CHAIN REACTION OF COMBUSTION.
  11. GROWTH STAGE?
    AVERAGE SPACE TEMP IS LOW AND THE FIRE IS LOCALIZED IN THE VICINITY OF ITS ORIGIN. SMOKE FROM FIRE FORMS A HOT UPPER LAYER IN THE SPACE.
  12. WHAT IS ROLLOVER?
    TAKES PLACE IN THE GROWTH STAGE WHEN UNBURNED COMBUSTIBLE GASES FROM THE FIRE MIX WITH FRESH AIR IN THE OVERHEAD AND BURN AT SOME DISTANCE FROM THE SEAT OF THE FIRE.  (ONLY GASES ARE BURNING AND NOT ALL THE CONTENTS OF THE SPACE.)
  13. WHAT IS FLASHOVER?
    OCCURS WHEN THE UPPER SMOKE LAYER TEMP REACHES 11000F.  SUDDEN SPREAD OF FLAME TO ALL REMAINING COMBUSTIBLES IN THE FIRE SPACES.
  14. WHAT IS THE DECAY STAGE?
    THE FIRE CONSUMES ALL AVAILABLE FUEL AND / OR OXYGEN AT WHICH TIME COMBUSTION SLOWS DOWN AND FIRE GOES OUT. (SUITABLE CONDITIONIS FOR BACKDRAFT EXPLOSTION)
  15. WHAT IS CONDUCTION?
    TRANSFER OF HEAT THROUGH A BODY OR FROM ONE BODY TO ANOTHER BY DIRECT PHYSICAL CONTACT.
  16. WHAT IS RADIATION?
    TRANSFER OF HEAT FROM A SOURCE ACCROSS AN INTERVENING SPACE.  NO MATERIAL SUBSTNANCE IS INVOLVED. HEAT TRAVELS OUTWARD FROM THE FIRE IN THE SAME MANNER AS LIGHT; IN STRAIGHT LINES.
  17. WHAT IS CONVECTION?
    TRANSFER OF  HEAT THROUGH THE MOTION OF CIRCULATING GASES OR LIQUIDS.  HEAT IS TRANSFERRED BY CONVECTION THOUGH THE MOTION OF SMOKE, HOT AIR AND HEATED GASES PRODUCED BY A FIRE.
  18. FIRE EXTINGUISHING METHODS?
    • COOLING- REMOVE / LOWER HEAT
    • SMOTHERING- REMOVE / DISPLACE OXYGEN
    • INTERRUPT COMBUSTION- BREAK FIRE TETRAHEDRON
    • STARVING- REMOVE FUEL
  19. SMOTHERING AGENT?
    AQUEOUS FIL FORMING FOAM (AFFF)

    • PROVIDES LAYER OF FOAM WHICH PREVETS ESCAPE OF FUEL VAPORS AND EXCLUDES OXYGEN FROM FUEL SOURCE, SOME COOLING EFFECT.
    • BRAVO (B) FIRES
    • 94% SEAWATER 6% CONCENTRATE
  20. SMOTHERING AGENT?
    CARBON DIOXIDE

    • -DILUTES AND DISPLACES OXYGEN LEVEL IN AIR
    • -INERT GAS, HEAVIER THAN AIR.
    • -PREFERRED AGEN FOR CLASS CHARLIE (C) FIRES
    •      -NON-CONDUCTIVE
    •      -NON-CORROSIVE
    •      -LEAVES NO RESIDUE
    • -NO REFLASH PROTECTION
  21. SMOTHERING AGENT?
    AQUEOUS POTASSIUM CARBONATE (APC)

    • - USED IN TEH RANGE GUARD SYSTEM
    • - REACTS WITH BURNING FAT/COOKING OIL TO PRODUCE NON-COMBUSTIBLE SOAP LIKE MATERIAL.
  22. SMOTHERING AGENT?
    • POTASSIUM BICARBONATE (PKP)
    •  
    • - CHEMICALLY INTERRUPTS COMBUSTION
    • - NO REFLASH PROTECTION
    • - MAY CAUSE TEMPORARY BREATHING DIFFICULTY AND IMPAIR VISION.
  23. HALON 1301
    • CHEMICALLY INTERRUPTS COMBUSTION
    • CLASS BRAVO (B) FIRES
    • CLASS ALPHA (A) FIRES
    • BREAKS DOWN AT 9000F (HYDROGEN BROMIDE & FLUORIDE)
  24. WHAT IS THE FUNCTIONAL ORGANIZATION OF THE FLYING SQUAD
    • RESPONDS IMMEDIATELY TO FIRE ALARMS WHEN REPAIR PARTIES ARE NOT MANNED.
    • EXTINGUISH SMALL FIRES WITHOUT DISRUPTING OPERATIONS.
  25. WHAT IS THE FUNCTIONAL ORGANIZATION OF THE INPORT EMERGENCY TEAM (IET)?
    DESIGNED TO HANDLE ANY EMERGENCY INPORT DURING AND AFTER NORMAL WORKING HOURS.
  26. WHAT IS THE FUNCTIONAL ORGANIZATION OF CONDITION II DC?
    • ALLOWS INCREASE IN DC RESPONSE WITHOUT DISRUPTING TACTICAL WATCH STATIONS.
    • PROVIDES CO WITH MULTI-TIERED RESPONSE TO COMBAT DAMAGE
    • MINIMUM MANNING:
    • DC CENTRAL
    • ONE REPAIR LOCKER (DCRS)
    • ONE BATTLE DRESSING STATION (BDS)
  27. DESCRIBE THE FUNCTION OF THE RAPID RESPONSE TEAM AS A PORTION OF THE FLYING SQUAD OR (IET)?
    • IT IS A SUBSET OF THE (IET) AND THE FLYING SQUAD.
    • PROCEEDS DIRECTLY TO THE SCENE.
    • NO SCBA OR PROTECTIVE CLOTHING REQUIRED
    • ATTEMPTS TO EXTINGUISH/ CONTAIN FIRE UNDER THE DIRECTION OF THE FIRE MARSHAL.
    • ONLY NEED FOUR(4) PERSONNEL TO BE ASSIGNED= FIRE MARSHAL, REPAIR ELECTRICIAN AND TWO (2) OTHER ADVANCED DC/FF.
  28. DESCRIBE THE PRINCIPLES OF INVESTIGATION?
    • INVESTIGATE CAUTIOUSLY
    • INVESTIGATE THOROUGHLY 
    • REPORT WHAT YOU FIND
    • REPEAT YOUR INVESTIGATION.
    • (CTRR)
  29. WHAT IS A SELF CONTAINED BREATHING APPARATUS (SCBA)?
    • SCOTT
    • NIOSH AND NFPA APPROVED
    • 30 & 45 MIN CYLINDERS
    • CONTAINS 4500 PSI BREATHABLE AIR.
    • BURST DISK (7200) PSI.
  30. WHAT IS ANTI-FLASH CLOTHING?
    • INTENDED TO PROVIDE PROTECTION TO HEAD, LOWER FACE, NECK, HANDS AND WRIST FROM TRANSIENT ELEVATED TEMPERATURES AND HIGH EXPLOSIVE WEAPON FLASHES.
    • FLASH HOOD
    • FLASH GLOVES
  31. WHAT IS FIRE RETARDANT CLOTHING AND COVERALLS?
    • 100% NOMEX IIIA
    • WORN BY PERSONNEL IN ENGINEERING SPACES OR DAMAGE CONTROL REPAIR PARTY.
  32. WHAT IS FIREFIGHTERS ENSEMBLE (FFE & FPG)
    • TO BE WORN BY PERSONNEL DIRECTLY INVOLVED IN THE FIREFIGHTING.
    • NAVY FIRE FIGHTERS COVERALL
    • NAVY FIRE FIGHTERS GLOVE
    • FLASH HOOD
    • FIRE FIGHTERS BOOTS
    • FIRE FIGHTERS HELMET
  33. WHAT NSTM TALKS ABOUT PERSONNEL PROTECTIVE EQUIPMENT?
    NSTM 077
  34. PORTABLE CO2 EXTINGUISHER
    • 15LBS BOTTLE
    • MAX EFFECTIVE RANGE 4-6FT
    • LAST 40 SECONDS
    • GROUND BOTTLE, DISCHARGE AT BASE OF FIRE USING SHORT BURSTS.
    • (FROSTBITE)
  35. PORTABLE PKP EXTINGUISHER
    • 18LBS BOTTLE HAS A RANGE OF 19FT AND LAST FOR 10 SECONDS.
    • 27LBS BOTTLE HAS A RANGE OF 21FT AND LAST FOR 11 SECONDS.
    • CO2 IS EXPELLING FORCE.
    • AIM AT BASE OF FIRE, SHORT BURTS SWEEPING MOTION
    • CLASS A,B AND C FIRES
  36. PORTABLE AFFF EXTINGUISHER
    • 2.5 GAL BOTTLE
    • USED PRIMARILY FOR DEEP FAT FRYER FIRES
    • RANGE OF 15FT AND DECREASING
    • LAST APPROX. 60 SECONDS
  37. FIRE STATION EQUIPMENT?
  38. NAVAL FIREFIGHTERS THERMAL IMAGER (NIFTI)?
    • CANT SEE THROUGH GLASS
    • GREATER ABILITY TO SEE THROUGH THICK, BLACK SMOKE
  39. FIRE FINDER?
    • DETECTS INFRARED RADIATION CORRESPONDING TO 190-195OF
    • MOST USEFUL FOR INVESTIGATORS AND BOUNDRYMEN
    • RANGE OF 20FT IN CLEAR AIR
    • CAN SEE THROUGH GLASS
  40. INLINE FOAM EDUCTOR?
    • PRODUCES 6% FINISHED FOAM PRODUCT WHEN INLET FIREMAIN PRESSURE IS MAINTAINED AT APPROX 100 PSI.
    • NO MORE THAN 3-50 FOOT LENGTHS OF FIRE HOSE ON THE DISCHARGE SIDE IF ON SAME DECK AS EDUCTOR OR IF GOING UP ONE DECK
    • MAX OF 6 LENGTHS IS ALLOWED IF GOING DOWN ONE OR MORE DECKS
  41. BOX FAN?
    • EXPLOSION PROOF
    • 3200 CUBIC FEET PER MIN
    • NO ATTACHABLE DUCTING
  42. WATER DRIVEN FAN (RAM FAN 2000)?
    • 1.5 IN FIREMAIN POWERED 50-180 PSI
    • 10"X15' EXHAUST DUCTING
    • THREE LENGTHS MAX BEFORE ADDITIONAL FAN IS NEEDED
  43. WHAT IS THE PORTABLE EXOTHERMIC CUTTING UNIT (PECU)?
    • EMERGENCY CUTTING OUTFIT
    • METAL VAPORIZES AT 65000F
    • OXYGEN PASSIGN THROUGH CONSUMABLE ROD GENERATES HEAT UP TO 10,0000F
    • RAPIDLY CUTS AND BLOWS THROUGH ALL KNOWN METALS. COPPER MORE DIFFICULT TO CUT.
  44. PORTABLE HYDRAULIC ACCESS AND RESCUE SYSTEM (PHARS)?
    • 4HP YANMAR DIESEL ENGINE COUPLED TO 5000 PSI HYDRAULIC PUMP.
    • COMES WITH HOSE REEL CONTAINING 100 FT OF PRE-PURGED HYDRAULIC HOSE.
    • WILL RUN ON JP-5, F76 OR DFM
  45. WHAT IS THE POWER HAWK ACCESS AND RESCUE SYSTEM?
    8 FT CABLE FROM PACK TO TOOL
Author
jonnyblazyn11
ID
209400
Card Set
Unit #5
Description
DCA/SE
Updated