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Fire > 3/4 Exam > Flashcards

3/4 Exam Flashcards

1
Q

What is carbon monoxide’s flammable range

A

12.5% to 74% in air

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2
Q

What are the causes of oxygen deficiency

A

Oxidation combustion absorption bacterial action chemical reaction purging agents poor ventilation decomposition

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3
Q

List some other types of placarding in class nine, miscellaneous dangerous goods

A

Mixed load fumigation hazard marine pollutant

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4
Q

How many divisions of class nine materials

A

One

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5
Q

How many divisions for class eight materials

A

One

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6
Q

How many divisions of class seven materials

A

One

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7
Q

How many divisions of class six Materials

A

Two

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8
Q

How many divisions of class five materials

A

Two

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9
Q

How many divisions of class four materials

A

Three

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10
Q

How many divisions of class III materials

A

One

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11
Q

How many divisions of class two materials

A

Three

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12
Q

How many divisions of class one materials

A

Six

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13
Q

What are the nine classes of hazardous materials

A

1-Explosives 2-gases 3-flammable liquids 4-flammable solids/dangerous when wet 5-oxidizers and organic peroxides 6-toxic and infectious substances 7-radioactive materials 8-corrosive 9-miscellaneous hazardous materials

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14
Q

List the colors of placards and labels for specific hazards

A

Red- flammable orange- explosive white- toxic or infectious green- compressed but nonflammable, non-toxic blue- reactive black- corrosive yellow- oxidizer

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15
Q

When must be UN number be shown with the placard?

A

Shipments greater than or equal to 4000 kg

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16
Q

When must a placard be placed on all sides and ends

A

-Shipments greater than 500 kg -quantity or concentrations requiring an emergency response plan to be filed with transport Canada -for liquids or gases in direct contact with the container

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17
Q

When are placards used

A

Shipments greater than 450 L

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18
Q

When our labels used

A

Small containers up to 450 L

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19
Q

List the category position and color of the NFPA 704 diamond

A

Health - left -blue flammability -top -red reactivity -right -yellow special information -bottom -white

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20
Q

Define hazardous materials

A

Any material or substance, which even in normal use, poses a risk to health, safety, property, or the environment

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21
Q

What are the three types of facility and transport markings

A

Signs - on fixed sites NFPA 704 labels -10 cm x 10 cm required up to 450 L placards -diamond shaped 25 cm x 25 cm used in transportation of greater than 450 L

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22
Q

What do you do if there is flame impinging on a tank

A

-Cool the tank from top to bottom (the vapor area) -use master stream appliances -water must not be turning to steam; it must reach the container -large tanks failwithin 10 to 20 minutes -nonsurvival area 500 feet

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23
Q

What are the warning signs of a potential BLEVE

A

Pressure relief device is working pitch or sound gets louder pinging popping or snapping sounds are heard visible steam from tank up on cooling discoloration of shell at impingement bulge or bubble indicates serious localized heating of the vapor area

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24
Q

What is the explosive range of natural gas

A

5 to 15%

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25
Q

How is propane dangerous

A

Asphyxiant easily ignitable (450°C ignition temperature, 842°F) 1.5 times heavier than air subject to BLEVE

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26
Q

What is the proper name for the EFRS foam

A

AFC 185-Niagara 1-3% AR-FFFP

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27
Q

List the class A foam percentages and applications

A

0.1% deep seated fires in furniture, smoldering ground fires or heavy duff where penetration is required 0.1-0.5% wildland grass fires 0.5% structural firefighting with attached fog nozzles, woodland surface fires using foam nozzles 1% protecting structural exposures, forming barriers during the wildland firefighting operations

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28
Q

List the parts of a typical wildland fire

A

Head fingers rear flanks perimeter islands the green the black spot fire

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29
Q

What are the 3Rs of wildland firefighting

A

Retreat regroup reassess

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30
Q

Define the head of a wildfire

A

The fastest spreading leading edge of the fire and where the most damage occurs. if you gain control of the head of the fire you usually gain control over all of it

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31
Q

Define flanks in a wildland fire

A

Left and right sides of the fire when facing the head from the rear. if the wind shifts a flank may become a new head

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32
Q

Define fingers in a wildland fire

A

Long narrow strips of rapidly burning light fuel. if these are not controlled they form new heads

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33
Q

List the MX4 detectors alarms and ranges for O2 CO H2S LEL

A

O2 low at 19.5% high at 23% range 0 to 30% CO low at 25 ppm high at 50 ppm range 0 -500 ppm H2S low at 10 ppm high at 15 PPM range 0 -500 ppm LEL low at 10% high at 20% range 0 to 100% or 0-9999 PPM

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34
Q

Define the green in a wildland fire

A

The unburned area surrounding the fire

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35
Q

Define the black in a wildland fire

A

The area of blackened land consumed by the fire

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36
Q

Define island in a wildland fire

A

Unburned areas inside the fire area they are created by suppression actions, or by the fire meeting fuels that were too difficult to ignite. islands should be burned out to prevent re-kindle

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37
Q

Define spot fire in a wildland fire

A

Fires outside the main fire caused by wind carried sparks or embers. if these are not quickly controlled they may form a head and new fire area

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38
Q

Define the rear of a wildland fire

A

Sometimes called the heel. this area it is opposite the head, and because it burns more slowly it is often easier to control

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39
Q

Define the perimeter in a wildland fire

A

The boundaries of the fire, the complete length of the outside edges. This length changes as the fire continues to burn

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40
Q

What are the different types of fuels in wildland fires

A

Ground fuels surface fuels crown fuels

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41
Q

what are the responsibilities of the RIC crew

A

Establish RIC tarp in staging area located outside the hazard area continually size up the structure for potential issues determine potential egress points-ladder if necessary and place activated strobe pucks in the exits

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42
Q

What are the duties of the RIC sector officer

A

Assemble crew and ensure all necessary tools have been gathered and placed on the RIC tarp ensure RIC team has donned all PPE with the exception of regulator liaise with emergency safety officer to determine the best strategy for entry egress and locating victims maintain constant contact with ESO determine if second RIC is necessary upon exit replenish air and tools and be ready to reenter if so assigned

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43
Q

What are the RIC safety officers responsibilities

A

Assume the role of emergency safety officer -request another safety officer assigned assume control of rescue operations liaise with RIC sector officer- discuss best tactics manage additional resources as needed by RIC maintain communications between R I C and FC

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44
Q

How many lengths of Hi-Vol hose are on each unit

A

pumper 20 tanker 15 ladder 9 Quint 4

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45
Q

What are the variables of a flash over

A

Compartment size insulation qualities ceiling height ventilation

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46
Q

What factors influence the size of the inner circle in the vehicle extrication

A

Number and the condition of vehicles number of patients extrication needs hazardous conditions

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47
Q

What is the size of the outer circle in vehicle extrication

A

3 to 5 m in diameter around the inner circle influenced by topography and traffic hazards

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48
Q

What is look for within the outer circle

A

Hazards victims other potential problems should also ask questions of bystanders

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49
Q

Describe level D PPE

A

PPE in the form of a hardhat, steel toed safety boots, safety glasses -firefighter turnout gear -splash suit -safety boots -gloves -eye protection

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50
Q

Describe level C PPE

A

Same skin protection as level B, lesser degree of respiratory protection -splash suit -boots -inner /outer gloves -air purifying respirator (APR) -gloves, boots, zippers taped

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51
Q

Describe level B PPE

A

Highest level of respiratory protection with a lesser degree of skin protection -splash suit -boots -inner /outer gloves -SCBA -mask gloves boots and zippers taped

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52
Q

Describe level A PPE

A

Highest available degree of respiratory /skin /Eye protection Fully encapsulated vapor proof suit ->gloves and boots attached outer gloves and boots SCBA

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53
Q

How can hazardous material enter your body

A

Absorption injection ingestion inhalation

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54
Q

List of the levels of personal protective clothing

A

Levels A,B,C,D

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55
Q

List of the types of exposures in hazmat

A

Trace-MP Thermal radiation asphyxiation corrosive Etiological mechanical poisonous

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56
Q

In case of BLEVE how far should an area be evacuated

A

1200 m on large cylinders (4000 feet)

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57
Q

What are the six steps to the management of a hazmat incident

A

H hazard identification A action plan Z zoning M managing the scene A assistance T termination

58
Q

List the 19 functions of decontamination

A

Equipment drop suit, boot covers and outer glove wash suit, boot covers and outer glove rinse tape removal boot cover removal outer glove removal suit and safety boot wash suit, SCBA and safety boot rinse tank change safety boot removal SCBA backpack removal splash suit and SCBA removal inner glove wash inner glove rinse facepiece removal inner glove removal inner clothing removal field wash redress

59
Q

List the practical applications of ParaTech

A

Trench rescue building collapse vehicle stabilization lifting

60
Q

What is the distance for staging from a gas leak as referenced in the SOG’s

A

100 m from the site

61
Q

List the available defensive actions during a hazmat incident

A

Absorption adsorption burning off confinement dilution remote valve shut off vapor suppression vapor dispersion

62
Q

List the types of low-pressure facility tanks

A

Cone Roof tank floating roof tank internal floating roof tank lifter roof tank horizontal or low-pressure storage tank

63
Q

List of the types of facility tanks

A

Low-pressure facility tanks cryo-genic tanks high and low pressure spherical tanks tonne containers

64
Q

What is the hazmat cold zone

A

Support or green zone -area around the other zones where the work for supporting this incident takes place

65
Q

What is the hazmat warm zone

A

Limited access contamination reduction zone

66
Q

What is the hazmat hot zone

A

A restricted area that represents danger to life or health

67
Q

What are the zones of the hazmat incident

A

Hot zone Warm zone cold zone

68
Q

List all the pieces of information required on pesticide warning labels

A

Pesticide name signal word (danger >warning) pesticide control product (PCP) number precautionary statement (phrases that cover prevention response storage and disposal of products) active ingredients hazard statement (keep away from children, harmful if swallowed, etc)

69
Q

List the required information for pipeline warning labels

A

Signal word (warning caution or danger) Hazardous contents of the pipeline owners name emergency phone number

70
Q

What are the four fire hydrant service rings and their meanings

A

Orange- out of service blue- hydrant in use (with permission) white -fire department use only green- under construction (no water)

71
Q

What is the flow rating for a yellow /orange domed hydrant

A

1900 to 3800 L per minute

72
Q

What is the flow rating for a red domed the hydrant

A
73
Q

What is the flow rating for a green domed hydrant

A

3800- 5700 LPM

74
Q

What is the flow rating of a blue or black domed hydrant

A

> 5700 LPM

75
Q

Ignitable liquid fires are extinguished by

A

Shutting off the fuel supply excluding air by various means cooling the liquid to stop evaporation a combination of these methods

76
Q

Fire and explosion of class B fuels is prevented by which techniques or principles

A

Exclusion of ignition sources exclusion of air oxygen storage of liquids enclosed containers or systems ventilation to prevent the accumulation of vapor with in the flammable range use of inert gas atmospheres instead of air

77
Q

What is a BLEVE

A

Boiling liquid expanding vapor explosion the sudden release of a pressurized liquid due to container failure can result in a larger vapor cloud being instantly formed. this vapor can jettison parts of the container

78
Q

What features are found in the hydrants in colder regions

A

Valve that controls the water flow is below the frost line to prevent freezing in the system. When not in use the drain valves at the base of the hydrant are in the open position to provide drainage. when the hydrant is in use or flowing the drain valve is closed

79
Q

List all the duties of the small gate position during a forward hose lay

A
  1. Safely dismount the apparatus wearing all PPE and carrying a radio 2. if riding on a new Smeal pumper ensure coffin doors are electronically opened retrieve hydrant kit from the driver rear compartment of apparatus 3.place kit in a practical location for big gate 4.help big gate with the supply line and wait for the ready signal 5.return to your position in the apparatus and relayed the ready signal to the driver and officer 6. at the scene safely: dismount the unit and uncouple the supply line at the nearest joint 7. attach the supply line to the appropriate apparatus at the scene. use the pony length when advantageous 8. if located at the intake connection open intake drain valve 9. communicate to the driver of the apparatus that the line is ready 10. report to your officer for reassignment
80
Q

List all of the duties of big gate during forward hose lay

A
  1. Safely dismount the apparatus wearing all PPE and carrying a radio 2. remove the hydrant gate from the rear of the apparatus 3. wrap 125 mm supply line around the hydrant 4. stand on the hose and signal small gate when ready 5. when apparatus is stopped or it is safe to do so remove steamer cap from hydrant 6. inspect barrel of hydrant and connect gate gate 7. Ensure that the drain valve on the hydrant gate is in the open position 8. radio or signal the driver or sector officer that you are ready to turn on the hydrant 9. open hydrant when ordered by driver or sector officer, close drain valve 10. gather tools remove kinks in the hose and report to your officer for reassignment
81
Q

What are the advantages of a solid stream nozzle

A

-Greater visibility -better reach and penetration than other types of streams -reduced nozzle pressure per liter making for easier handling -thermal layer is less likely to be disturbed during an interior structural attack thus increasing your personal safety

82
Q

how can wildland anchor points be identified

A

Geographically street address landmarks

83
Q

Is the vapor density of the following gas lighter or heavier than air Methane

A

Lighter

84
Q

Is the vapor density of the following gas lighter or heavier than air Propane

A

Heavier

85
Q

Is the vapor density of the following gas lighter or heavier than air Butane

A

Heavier

86
Q

Is the vapor density of the following gas lighter or heavier than air Natural gas

A

Lighter

87
Q

Is the vapor density of the following gas lighter or heavier than air Carbon monoxide

A

Lighter

88
Q

Is the vapor density of the following gas lighter or heavier than air Hydrogen sulfide

A

heavier

89
Q

Is the vapor density of the following gas lighter or heavier than air Gasoline

A

Heavier

90
Q

Is the vapor density of the following gas lighter or heavier than air Benzene

A

Heavier

91
Q

Is the vapor density of the following gas lighter or heavier than air Toluene

A

Heavier

92
Q

Is the vapor density of the following gas lighter or heavier than air Pentane

A

Heavier

93
Q

How can you prevent chemical damage to hoses

A

Avoid laying hose hose in gutters or run off troughs inspect and test hose regularly wash hose periodically with plain water

94
Q

What is the diameter of booster reel hose

A

20 mm

95
Q

Describe causes for poor quality foam

A

Foamwill be more stable if you make it with water at ambient water temperatures between 1.7 and 27°C Water containing detergents oil residue’s etc. may adversely affect form quality always use clean water loss of suction due to air leaks at fittings foam passages clogged because proportion equipment was not cleaned well enough Foam unable to induct into the water stream because the educator and nozzle flow ratings do not match Excess back pressure and reduced foam pick up at the educator because the hose line on the discharge side of the educator is too long Excessive elevation pressure because the nozzle is too far above the educator Foam mixture unable to pass through eductor because different kinds of foam concentrate were mixed in the same tank gradual loss of a effectiveness over a period of time in premixed foam solutions induction may not take place if inlet to the eductor is too high make sure foam concentrate inlet to the eductor is no more than 6 feet above the surface of foam concentrate Using air from inside a burning building to generate phone has negative effect on volume and stability high temperature breaks down foam. compensate with increased foam rates restriction of water flow because the nozzle is not fully open or do to hold kinks will affect foam production if foam is introduced through induction

96
Q

Which fire hydrant is typically the best choice to hook up

A

The closest to the fire minimizes hose and friction loss

97
Q

Describe the contents of the hydrant kit

A

Combination wrench butterfly key rubber mallet adjustable hydrant wrench roll of banner guard Stortz wrenches (2)

98
Q

When the hydrant is not in use the drain valve is in which position

A

Open

99
Q

List all the hose types carried on the ATP

A

25 mm booster 38 mm wildland (seasonal) 65 mm attack

100
Q

List all the types of hose carried on the supertanker

A

25 mm booster 38 mm wildland (seasonal) 44 mm attack 65 mm attack 125 mm supply 150 mm suction

101
Q

Define booster line

A

25 mm is a whole was found on the booster reel of either a tanker or ATP the reel is equipped with 45 m of high-pressure hose with accompanying nozzle

102
Q

Hi Vol hose is found on which apparatus and how many lengths on each

A

Pumper 20 lengths tanker 15 lengths ladder 9 lengths Quint 4 lengths

103
Q

List all the hoes types carried on the tanker

A

25 mm booster 38 mm wildland seasonal 44 mm attack 65 mm 125 mm supply 150 mm suction

104
Q

What types of fire hydrants are used in cold regions

A

Dry barrel hydrant systems

105
Q

In dry barrel hydrant systems where is the main valve located

A

Below the frost line

106
Q

List all the hoes types carried on the pump

A

38 mm wildland seasonal 44 mm attack 65 mm attack 125 mm supply 150 mm suction

107
Q

List all the apparatus and water carrying capacity of EFRS units

A

Pump 1890 L Ladders 1134 L tankers 4500 L supertankers 13,500 L ATP 1442 L mule trailer 250 L

108
Q

Where are the 65 mm quick attack monitors located

A

Ladders- pre-connected to 4 lengths 65 mm transverse bed pumps- connected to five length of 65 mm in the rear bed tankers- connected to five lengths of 65 mm in the rear bed

109
Q

Safety can be divided into which categories of priority

A

Rescue personnel safety scene safety patient safety

110
Q

Explain the platinum 10 concept

A

In order to enhance the golden hour remove patient from vehicle entanglement and be enroute to a trauma center within 10 minutes of our arrival on scene

111
Q

What must take place during the golden hour

A

Notification dispatch response scene stabilization vehicle stabilization patient extrication patient packaging patient transport stabilization in the emergency room surgical intervention

112
Q

What are the hybrid vehicle emergency procedures

A

Hybrid vehicle identification vehicle stabilization access the passenger compartment turn key to off position and remove from ignition check that the green light goes out disconnect 12 V battery

113
Q

What are the two types of glass found in automobiles

A

Safety glass tempered glass

114
Q

What are the rules of thumb for wooden cribbing

A

Finished height cannot be greater than 3x working length of the Timbers flat level base crib as you go do not please body parts between the crib and vehicle

115
Q

Explain the 5 10 20 rule

A

5 inches away from side airbags 10 inches away from driver airbag 20 inches away from passenger airbag

116
Q

List the types of collisions

A

Head on collision T-bone collision rear end collision rollover rotational

117
Q

What belongs in the vehicle extrication cold zone

A

All other operations established here fire command tool staging personnel staging apparatus placement

118
Q

What it should be placed in the warm zone

A

Essential tools hydraulic pump parts removed from vehicle charged hand line

119
Q

Define vehicle extrication hot zone

A

Location where the extrication is taking place and the hazards exist

120
Q

How big is the outer circle

A

3 to 5 m in diameter around the inner circle

121
Q

What factors influence inner circle size

A

Number of patients degree of entrapment number and size of vehicles other hazards

122
Q

What types of containers hold LPG

A

Tanks cylinders lines

123
Q

What conditions are important to recognize with fires in open top tank

A

Boil over froth over slop over

124
Q

What are the definitions of a flammable liquid

A

One that has a flashpoint below 60.5°C US DOT TDG (globally recognized /UN) or 37.8°C NFPA/WHMIS

125
Q

Container breach results in a content’s release (slowly or quickly) list the types

A

Detonation-fraction of a second violent rupture- less than a second rapid relief- seconds or minutes spill leak- minutes or days

126
Q

What types of stresses are put on containers

A

Thermal chemical mechanical

127
Q

List the 13 gases lighter than air

A

4H MEDIC ANNA Hydrogen Helium Hydrogen cyanide Hydrogen fluoride Methane Ethylene Diborane Illuminating gas Carbon monoxide Acetylene Neon Nitrogen Anhydrous ammonia

128
Q

Before applying foam what are some factors to consider

A

Compatibility- is foam compatible with other firefighting chemicals adverse weather conditions- weather can affect extinguishing potential of finished foam. too cold? wind? Intense heat- can accelerate the drain time raising possibility of burnback toxic fumes- will it create toxic fumes when applied to the liquid reignition- what are the possibilities of reignition with the type of foam produced

129
Q

List the different foam application techniques

A

Roll on method bank down method rain down method

130
Q

Name this vessel

A

DOT 406, TC406, STC306

Non-Pressure Liquid Tank

131
Q

Name this vessel

A

Compressed Gas/ Tube Trailer

132
Q

Name this vessel

A

DOT 412, TC 412, STC312

Corrosive Liquid Tank

133
Q

Name this vessel

A

MC 338, TC338

Cryogenic Liquid Tank

134
Q

Name this vessel

A

Intermodal Tank

135
Q

Name this vessel

A

DOT412, TC 412

Corrosive Liquid Tank

136
Q

Name this vessel

A

Low Pressure Tank Car

Liquids

137
Q

Name this vessel

A

DOT407, TC407

Low Pressure Chemical Tank

138
Q

Name this vessel

A

Pressure Tank Car

Compressed Liquified Gases

139
Q

Name this vessel

A

MC331, TC331

High Pressure Tank

140
Q

Name this vessel

A

DOT407, TC 407

Vacuum Loaded Tank

Fire (15 decks)

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