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2023 Lieutenants Exam > Response to Flammable Liquid Emergency Incidents > Flashcards

Response to Flammable Liquid Emergency Incidents Flashcards

1
Q

A self contained unit specifically designed to respond to fammable liquids incidents within the NOVA region. Units carry AR-AFFF foam and may have pump and roll capability

A

AR Foam unit

P. 2

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2
Q

A self contained unit specificlly designed to have pump and roll capability and minimum of 100 gallons of foam concentrate; may have duel agent application ability and duel agent application

A

ARFF Unit

P. 2

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3
Q

A liquid having a flash point above 100 degrees F and Below 200 Degrees F

A

Combustible liquid

P. 2

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4
Q

Any liquid having a flash point below 100 degrees F and having a vapor pressure not exceeding 40psi absolute

A

Flammable liquid

P. 3

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5
Q

A response consisting of two AR foam units,one pump and roll unit ,two engines,one battalion chief,and one hazardous material asset.

A

Foam Task Force

P. 4

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6
Q

What are the two DOT-regulated petroleum pipeline companies that serve the NOVA region?

A

Colonial Pipeline ,Plantation Pipeline

P. 4

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7
Q

Piping that incorporates control valves to deliver product from the pipeline to storage tanks

A

Pipeline Manifold

P. 4

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8
Q

A substance having a strong affinity for water

A

Hydrophilic

P. 4

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9
Q

A commitment of resources to aggressive leak, spill and fire control objectives; used where additional risk is justified because rescue can be quickly achieved,spill or leak can be quickly contained,or fire can be quickly extinguished

A

Offensive Attack Mode

P. 4

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10
Q

Taking no immediate action then isolating the area until the risk of intervention is reduced to an acceptable level

A

Non Interventional Mode

P. 4

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11
Q

A spill exceeding 55 gallons or multiple spills from multiple small packages or containers

A

Large spill

P. 5

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12
Q

This response would include passanger vehicles with leaking tanks

A

Small spill

P. 5

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13
Q

A hooded metal structure attached to the exterior top edge of a fixed roof tank, which provides weather protection over the vent ports.

A

Eyebrow vent

P. 6

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14
Q

An Above ground tank of smaller capacity, typically not more then 30,000 gallons

A

Horizonal Tank

P. 6

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15
Q

The weight of vapor compared to the weight of dry air

A

Vapor density

P. 6

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16
Q

Who is responsible for confirming staging area and intial assignments to units arriving on the scene

A

First arriving Engine

P. 8

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17
Q

Dulles International Airport has a trailer with how many feet of what size LDH?

A

3000 ft of 7 inch LDH

P. 10

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18
Q

The water supply group leader will need to use how many gallons per a minute of finished product per unit as the goal for each drop site

A

1000 GPM

P. 10

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19
Q

What color flame and smoke does pure ethanol produce?

A

Ethanol does not produce visiable smoke and has a hard to see blue flame

P. 12

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20
Q

Most common over the road tanker that responders will encounter with a capacity of up to 9000 gallons

A

MC-306/DOT 406

P. 18

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21
Q

With the exception of single family dwellings, for at least what units are important to determine positioning for?

A

First two engine companies and first truck company

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22
Q

When measured in bulk storage a U.S. measured barrel contains how many gallons?

A

42 U.S. gallons

P. 2

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23
Q

A combustible liquid has a flash point ______ .

A

above 100 degrees F

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24
Q

A flammable liquid has a flash point _______.

A

below 100 degrees F

P. 3

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25
Q

A foam task force consists of?

A

2 AR foam units, 1 pump and roll unit, 2 engines, 1 battalion chief, and 1 hazardous materials asset

P. 4

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26
Q

Flammable liquid emergency response operating modes are?

A

Offensive attack mode, defensive attack mode, non-intervention mode

P. 4/ 7/8

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27
Q

A small flammable liquid spill is considered approximately _____ gallons or less.

A

55

P. 5/16

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28
Q

A polar solvent is a flammable liquid that ______.

A

mixes readily with water

P. 5

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29
Q

The rule of thumb when developing your water supply plan for a flammable liquid emergency is _______.

A

to be able to flow 1000 GPM of finished product per unit flowing product.

P. 10

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30
Q

Typical hydrocarbon fuels include _____.

A

gasoline and diesel

P. 4

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31
Q

Polar solvents are flammable liquids that ________.

A

mixes readily with water

P. 5

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32
Q

The vapor density of air is considered what?

A

1

P. 6

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33
Q

When responding to a flammable liquids emergency incident, the first engine must confirm ____?

A

staging area

P. 8

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34
Q

_____ is a polar solvent.

A

pure ethanol

P. 12

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35
Q

Ethanol has a vapor density of _____ which indicates that it is ____ than air.

A

1.59 ; heavier

P. 12

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36
Q

Ethanol’s LEL is _____ and UEL is _____.

A

3.3% and 19%

P. 12

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37
Q

The resources required for management of a small spill not incurring inside a structure, or ignited, include?

A

1 engine

P. 16

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38
Q

A large flammable liquid spill resources include?

A

4 engines, 2 specialty units, 2 EMS units, 1 battalion chief, 1 command aid, 1 EMS supervisor, 1 foam task force, and a hazardous material response

P. 16

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39
Q

An ARFF Unit has a minimum of how much foam concentrate?

A

100 gallons

P. 2

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40
Q

A combustible liquid has a flash point above 100 degrees Fahrenheit and below what temperature?

A

200 degrees Fahrenheit

P. 2

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41
Q

What is the operating mode that you take no immediate action other than isolating the area until the risk of intervention is reduced to an acceptable level so operations may transition to offensive or defensive strategies?

A

Non-intervention mode

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42
Q

What are the two main types of products that the emergency personnel will deal with?

A

Hydrocarbons and polar solvents

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43
Q

What is the most common ethanal-blended fuel?

A

E-10

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44
Q

What does pure ethanol look like when on fire?

A

No visible smoke and a hard-to-see blue flame

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45
Q

A small spill is defined as a spill occurring from a container or package approximately how large?

A

55 gallons or less

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46
Q

A small spill that ignites outside a structure should request a what to help manage the incident?

A

Foam Task Force

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47
Q

At what distance do you use the binoculars to recon and look for placards or other warnings/product name or number on the tractor or trailer?

A

500 feet

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48
Q

On a flammable liquid emergency on a railway how far away from the incident do you set up flaggers?

A

2 miles

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49
Q

What is the radius from Dulles International Airport or Reagan National Airport MWAA will automatically respond to any aircraft event?

A

5 miles

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50
Q

What are two primary factors for transformer fires?

A

Load and age

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51
Q

What is the primary objective at applying foam at loading rack flammable liquid spill?

A

Suppress flammable vapors and prevent their ignition

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52
Q

A weak roof-to-seam shell design is required in what size bulk petroleum storage tanks with cone/fixed roofs?

A

Tank greater than 50 feet in diameter

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53
Q

What can happen in a lower-pressure above ground storage tank fire, when it is the result of overfilling and the ensuing fire quickly impinges the vapor area of the tank?

A

Tank fails violently

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54
Q

How many gallons of water is the 3rd due engine on a large spill/fire required to maintain to supply foam units?

A

At least 1000 GPMs

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55
Q

What is the preferred foam application method for Ethanol fuel fires?

A

Bank-down or deflect method

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56
Q

What are flammable liquids that mix readily with water?

A

polar solvents

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57
Q

What type of foam is recommended for extinguishing an ethanol fire?

A

Alcohol-Resistant (AR)

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58
Q

What is the vapor density if a vapor is lighter than air?

A

less than 1.0

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59
Q

What are the three operating modes used with flammable liquids?

A

offensive attack, defensive attack, non-intervention mode

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60
Q

What are the two main types of class B fuels/product?

A

hydrocarbons, polar solvents

P. 11

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61
Q

What operating mode is used during an ethanol fire?

A

non-intervention mode

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62
Q

How many gallons is considered a small spill?

A

55 gallons or less

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63
Q

What is used to mitgate a fire at a petroleum storage facility?

A

finished foam

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64
Q

What does it mean when there is a snapping blue-red and nearly smokeless flames in a bulk petroleum storage tank?

A

vapor/air mixture is within the flammable range

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65
Q

What is it called when there is application of water via hose stream and dry chemical simutaneously?

A

hydro-chem application method

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66
Q

What is a common problem associated with open floating roof petroleum starage tanks?

A

seal fires

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67
Q

What is the most important tactical issue with a vent fire involving a low pressure horizontal or vertical tank?

A

keeping the upper portion of the exposed tank shell cool

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68
Q

What should be requested if a spill ignites?

A

Foam Task Force

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69
Q

The IC is encouraged to add a hazardous materials and Foam Task Force response if there is a concern of greater than _____flammable/combustable liquids?

A

25 gallons

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70
Q

As the OIC of the 3rd Engine company on a large spill, what is your responsibility?

A

water supply officer for incident and foam units

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71
Q

What foam application is performed by directing the foam stream on the ground near the front edge of the spill so finished foam rolls across the surface of the fuel?

A

roll-on method

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72
Q

What is referred to as the distance a foam blanket has to travel across a buring fuel?

A

foam run

73
Q

What is the roll-on methed also referred to as?

A

bounce method

74
Q

Which method of foam application is preferred for use with Ethanol fuel fires?

A

bank-down method

75
Q

Who should IC give responsibility of water supply group

A

3rd Engine

76
Q

What Constitutes a Large Spill

A

More than 55 gallons

77
Q

Combustible liquid hydrocarbons and polar solvents have a flash point of

A

> 100°F-<200°F

78
Q

What type of foam needs to be used in combatting Ethonal-BLended fuel fire

A

AR Foam

79
Q

The most prevalent overroad tank that carries blended-fuel is

A

MC306/DOT406

80
Q

How many sides does a MC306/DOT406 needs to be labeled with a placard

A

4

81
Q

What is the action type called if no immediate action is needed

A

non-Intervention

82
Q

What concerning weather condition need to be obtained before and during incident

A

Wind Direction and Speed

83
Q

What are the 5 steps of managing a tanker fire

A

Safety, Size-up, Send, Set-up, Patient Triade

84
Q

Approxitmately how many gallons does a DOT 111 car carries

A

30,000

85
Q

2 Primary factors in that contribute to electrical transformer fires are

A

Load and Age

86
Q

What hazardous oil are possibly contained in an electrical transformer

A

PCB

87
Q

Tank farm fires, what unit gets priority positioning

A

Foam units

88
Q

How many engines dispatched on a small spill

A

1

89
Q

What Class of foam is used on petroleum base fire

A

Class B

90
Q

Off Airport plane crashes what should the IC consider for fire suppression based on topography

A

More pump-and-roll Foam units

91
Q

The IC should establish what in the intial stages of these types of incidents

A

Water supply group or officer

92
Q

Rail cars will carry how many gallons of product?

A

30,000

93
Q

How far will MWAA respond to an aircraft event from the airport?

A

5 miles

94
Q

How much does MC306/DOT406 highway tanker truck carry in gallons?

A

8000-9000

95
Q

What are two pipeline companies in Fairfax County?

A

Colonial and plantation

96
Q

What percentage of ethanol is E10?

A

10%

97
Q

What are 3 operating modes of flammable liquids emergency?

A

Offensive,defensive and non-intervention

98
Q

What does hydrophilic mean?

A

Strong affinity to water

99
Q

What is the the water supply goal in gpm?

A

1000

100
Q

What do flammable liquids have a flash point below in Fahrenheit?

A

100

101
Q

What is combustible Liguid flash point?

A

Between 100-200F

102
Q

What is AFFF?

A

Aqueous film forming foam

103
Q

What unit is designed to have pump and roll capability and minimum of 100 gallons of foam?

A

ARFF

104
Q

What is a self contained engine that has been specially designed to respond to flammable liquid incidents?

A

AR Foam unit

105
Q

Who makes staging area and initial assignments for arriving units?

A

1st engine oic

106
Q

What is the assignment for a small liquid inside of a building?

A

Structure fire response for building type

107
Q

What should be added if a small spill ignites outside?

A

Foam task force

108
Q

How many gallons of foam concentrate are required on an ARFF unit?

A

100 gal

109
Q

How many Gallons are in a barrel?

A

42

110
Q

What is the temperature range for a liquid o be considered Flammable?

A

< 100 F

111
Q

A Flammable liquid is any liquid having a flash point below… and a vapor pressure below?

A

100f/40psi

112
Q

The generic term for petroluem fuels?

A

Product

113
Q

Rule of thumb for water supply on flammable liquid emergencies?

A

1000gpm/ unit

114
Q

Fuels with more than 10% ethonal should be treated as?

A

Polar Solvents

115
Q

Fires involving ethonal carriers MUST be operated in what mode?

A

Non-intervention

116
Q

If you are unsure of the fuel type consider … the flow?

A

2x

117
Q

What is the most important weather info to obtain?

A

Wind speed and direction

118
Q

Most common tanker trailer?

A

MC-306/DOT406

119
Q

Tanker Trailers have a capacity up to?

A

9000 Gallons

120
Q

Primary attack for ethonal fires shall be?

A

Finished AR-AFF

121
Q

How far away do you stay while looking at placards with binoculars?

A

500’

122
Q

How much product can rail cars carry?

A

30,000 Gal

123
Q

What needs extra concern on rail way tanker emergencies?

A

Exposures

124
Q

What must be accomplished before any resources can be deployed for any reason?

A

Risk Assessment

125
Q

What must be in place before rescue operations can begin?

A

A second Foam Hoseline

126
Q

What is the most effective exposure protection?

A

Vapor Supression with a finished foam blanket

127
Q

Should contact with the responsible party of the facility representative, determine the current situation and ask about any action prior to the arrival of FD.

A

First Engine Company

128
Q

When delivering the on scene report who must confirm staging area and make initial assignments?

A

First Engine Company Officer

129
Q

Should perform reconnaissance of the suspected hazarded area for leak/spill/fire

A

First Engine Company

130
Q

When the recon is complete the first engine should report findings to who?

A

Incident Commander

131
Q

What should be a high priority consideration during any flammable liquids emergency?

A

Water Supply

132
Q

In non fixed facilities response knowledge of what should be known by the first engine officer?

A

Area water supplies

133
Q

The company officer need to factor in all the exposures or potential exposures in their final

A

water supply calculations

134
Q

The rule of thumb when developing your water supply plan is that the supply should be able to flow at least

A

1000 GPM

135
Q

Large spill

A

55 Gallons or more

136
Q

The first arriving unit’s priority is

A

Scene safety

137
Q

How far of a distance should responders be away from a spill while sizing up?

A

500 ft

138
Q

Spill initial operations

A

Safety, Size up, Send, Set up, Triage

139
Q

General service rail cars will carry approximately how many gallons of product?

A

30,000

140
Q

For rail incidents pay extra concern to

A

Exposures

141
Q

Off airport response to aircraft incidents. The IC should consider more what based on the topography of the crash scene?

A

Pump and roll roam units

142
Q

Fuel spill at a loading rack structure. The officer of the first arriving unit must perform a

A

Risk assessment

143
Q

The first arriving unit officer shall have all other units stage

A

At a Predetermined location

144
Q

The first arriving unit officer shall provide

A

An On scene report

145
Q

A self contained fire engine that has been specifically designed to respond to flammable liquids incidents within the nova region

A

AR Foam Unit

146
Q

Lowest temp that a substance will auto ignite and combust with out any other sources of ignition.

A

Auto ignition temp

147
Q

Release of product from its primary containment

A

leak

148
Q

Area where tank vehicles are loaded with product for outside the facility

A

loading rack

149
Q

Combustable liquids including diesel fuel, heating oil, and jet fuel

A

Petroleum distilates

150
Q

Flammable liquids that mix readily with water

A

polar sovlents

151
Q

Generic term for petroleum fuels

A

product

152
Q

A large spill is this many gallons and above.

A

56

153
Q

Dulles airport has a trailer that holds 3000 feet of __ inch LDH.

A

7

154
Q

City of Fairfax has a trailer that carries 900 feet of __ LDH.

A

5

155
Q

10% ethanol and 90% gasoline make?

A

e10

156
Q

Ethenols LEL is?

A

3.30%

157
Q

MC306/DOT406 tankers have a capacity of ___ gallons.

A

9000

158
Q

DOT111 rail cares have a capacity of ___ gallons

A

30000

159
Q

Ethenol’s auto ignition temp?

A

793 degrees

160
Q

Ethenol’s flash point

A

55 degrees

161
Q

Ethenol’s vapor density

A

1.59

162
Q

Ethenol’s UEL

A

19%

163
Q

AFFF is the acronym for what?

A

aqueous film forming foam

164
Q

The lowest temperature where a substance will ignite and combust without any other sources of ignition is the definition of what?

A

auto-ignition temperature

165
Q

The weight of a vapor compared to the weight of dry air is defined as what?

A

vapor density

166
Q

The ratio of the density of a liquid to the density of water is defined as what?

A

specific gravity

167
Q

In terms of operational mode, taking no immediate action other that isolating the area until the risk of intervention is reduced to an acceptable level, is what mode?

A

non-intervention

168
Q

As a rule of thumb for water supply, each unit should be calculated to provide what GPM of finished product?

A

1000 GPM

169
Q

Fuels such as gasoline and diesel are organic in nature, and are what type of product?

A

hydrocarbons

170
Q

Products of distillation that are water soluble are known as what?

A

polar solvents

171
Q

What effect does ethanol have on traditional firefighting foam?

A

attacks

172
Q

The volume of a liquid spilled that determines a large or small spill is how many gallons?

A

55 gal

173
Q

Should an ethanol tanker catch fire, what is the most appropriate initial operational mode?

A

non-intervention

174
Q

What is the most appropriate location to position apparatus when arriving on scene of a tanker leak or fire?

A

uphill and upwind

175
Q

A location that transfers flammable and combustible liquids from the storage tanks to a transportation platform, such as over-the-road tankers, is known as what?

A

loading rack

176
Q

If a large fixed facility tank farm tank is on fire from the vents of a cone/fixed roof, what tactic should be employed?

A

cool the tank

177
Q

Which type of application technique refers to the use of master streams and hand line nozzles to deliver finished foam to the burning surface in a manner that results in some agitation of the surface?

A

Type III

178
Q

Which of the following is not one of the common methods of foam application?

A

flush-down

2023 Lieutenants Exam (32 decks)

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