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2023 Lieutenants Exam > Engine Company Operations > Flashcards

Engine Company Operations Flashcards

1
Q

What occurs when the IC recognizes a serious threat to firefighters and safe operations in a structure are compromised?

A

Emergency Evacuation

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2
Q

Attacking with a masterstream will only allow _____to____ seconds of waterflow without supply,depending on the nozzle and tank size

A

60-90 seconds

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3
Q

What is the expansion of water to steam ratio for a fog nozzle

A

1:1700 @212 degress F

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4
Q

A maneuver used to move through a compartment where high heat or pre-flashover exist

A

Penciling

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5
Q

What is the maximum reach of the Mercury monitor with a smooth bore nozzle @ 80 psi ?

A

185 FT

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6
Q

What accepted practices are used in the IDLH to maintain crew integrity?

A

Sight, sound, touch

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7
Q

A company officer can keep track of assigned personnel in smokey conditions by callout the members what ?

A

Last name

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8
Q

Personnel must maintain situational awareness and use certain clues to further estimate the hose stretch. Name the three clues

A

Apparatus placement, parking spaces,Telephone poles

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9
Q

What is the flow requirement for a typical residential structure

A

150-175 GPM

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10
Q

What part of the door is preffered for door chock placement

A

lower portion

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11
Q

What is the correct body position to keep an eye on conditions and observe movement of the hoseline and personnel?

A

Heads up, Leading leg out

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12
Q

The water supply report must include what ?

A

Method of water supply delivery ie. Reverse lay , split lay ,forward lay

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13
Q

The Engine officer MUST ensure what prior to opening the door to the fore area for hose line advancement

A

Check for unprepared Firefighters and civilians so they are not exposed on the stairs or the hallway above .

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14
Q

After the main body of fire has been extinguished , the Engine officer should order what action?

A

Shut down the nozzle to allow fire to light back up

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15
Q

What memebr of the Engine company calls for water

A

Officer

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16
Q

Grey/Black or Brown smoke indicate what condition

A

Fully devloped fire with Class A or B fuel sources that are most likely ventilation-limited

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17
Q

Velocity and pressure of smoke are indicators of _______and _______

A

Heat and Flow Path

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18
Q

Locating the fire is the responsibility of who

A

First due Engine officer

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19
Q

What is the process of soild fuels being heated ,combustible gases being driven from the substance?

A

Pyrolysis

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20
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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21
Q

When planning for positioning with consideration of layouts what units may affect this?

A

Second due engine and first due truck

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22
Q

The first engine company will generally?

A

Lay primary supply line and deliver on-scene report

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23
Q

The 2nd due engine company will generally _________?

A

Ensure primary water is established and deploy 2nd hoseline.

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24
Q

Third due engine company will generally _________?

A

Lay secondary supply line and deploy 3rd hoseline.

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25
Q

Fourth due engine company will generally ________?

A

Establish secondary water supply and assume rapid intervention team.

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26
Q

When responding to a fire alarm, if the engine company stages at the water supply, the truck company should proceed to ______?

A

The front of the building.

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27
Q

Today’s fires burn at a rate of ____ times faster with rapidly increasing heat compared to fires just twenty years ago.

A

10

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28
Q

In order for combustion to occur, each component must be in place.

A

Oxygen, heat, fuel, and chain reaction

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29
Q

A flashover is when ________.

A

The stage of fire which all surfaces and objects within a space have been heated to their ignition temperature and simultaneously ignite.

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30
Q

A backdraft is _______.

A

An explosion that occurs when additional oxygen is introduced into smoldering fire as heated gases enter their flammable range and ignite.

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31
Q

A rollover is _________ .

A

Flames present in layers of smoke as a result of heated gases that are pushed under pressure from a fire area to uninvolved areas.

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32
Q

What should serve as a warning that a fire area may be reaching a flashover point?

A

Rollover

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33
Q

The acronym RECEO-VS means?

A

Rescue. Exposure. Confinement. Extinguish. Overhaul. Ventilation. Salvage.

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34
Q

Interior tactics shall not commence until what?

A

Report from side charlie.

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35
Q

When life hazards exist, the initial company officer _________ .

A

shall report immediate interior firefighting actions needed to bypass size up from side charlie.

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36
Q

An easy way to transmit progress reports is ______.

A

C,A,N Conditions, Actions, Needs.

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37
Q

Locating the fire inside the building is the responsibility of the _____ .

A

Initial engine company officer.

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38
Q

When smoke is encountered from floor to ceiling, this condition may indicate a ______.

A

Basement fire.

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39
Q

A blitz attack is _______ .

A

when the initial attack is defensive and then transitions to offensive once the fire is knocked down.

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40
Q

A well-hole hose line stretch is acceptable if what can be fit between the handrail

A

Firefighter’s fist

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41
Q

What is the decision-making process based on intuitive reactions to sights, sounds, smells that trigger a memory from past experiences or learning. It is also known as the Recognition Primed Decision-Making (RPDM?

A

The naturalistic decision-making method

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42
Q

When responding to fire alarms, how should companies treat each fire alarm to avoid complacency?

A

Must treat every call as the most significant incident of their career until determined otherwise

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43
Q

What engine company is responsible for positioning opposite of the first engine company, if possible?

A

3rd Engine

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44
Q

What is observed when flames present in layers of smoke as a result of heated gases that are pushed under pressure from the fire area into uninvolved areas?

A

Rollover

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45
Q

What is the stage of fire that begins with heat, oxygen, and a fuel source combine and have a chemical reaction resulting in a fire?

A

Incipient stage

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46
Q

What should serve as a warning that the fire area may be reaching the point of flashover?

A

Rollover

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47
Q

What is the term for the amount of energy released over time and the engine that is driving the fire?

A

Heat Release Rate (HRR)

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48
Q

Personnel should understand that a HRR plus combined with what will lead to early flashover?

A

Uncoordinated ventilation

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49
Q

When performing hydraulic ventilation, the hose stream should cover what percentage of the window and the nozzle should be how far from the window?

A

80%, 2 feet

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50
Q

Black/Brown smoke is an indication of what concerning smokes flammability?

A

Smoke is typically too rich to burn

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51
Q

What is the most reliable exterior indicator of the location of a fire?

A

Smoke velocity or speed

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52
Q

In Victim Survivability Profiling what does the NFPA suggest as the upper range of temperature tenability for humans?

A

212 degrees Fahrenheit

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53
Q

Percentages of Oxygen less than what percent will result in rapid death?

A

10%

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54
Q

What is the expansion of water to steam at 212 degrees Fahrenheit in a fog nozzle?

A

1:1,700

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55
Q

What form of attack method must not be used in areas where victims may be located or firefighters are operating?

A

Indirect attack

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56
Q

What is the mnemonic ADULTS used to help with?

A

Selection of 2 ½” line

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57
Q

A backup firefighter on the hand line should maintain what formation in the line?

A

“S” formation

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58
Q

What is critical to the safety of all firefighters operating above the fire?

A

Door control

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59
Q

What is the space between both handrails in a stairwell and allows engine companies to achieve the maximum length of the hose?

A

Well-hole

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60
Q

A_____is when additional oxygen is introduced into a smoldering fire as heated gases enter their flammable range and ignite with explosive force?

A

Backdraft

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61
Q

When performing hydraulic ventilation, what percentage (%) of the opening should you flow water?

A

80%

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62
Q

What is the “C” in the acronym RECEO VS?

A

Confinement

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63
Q

Who is responsible for locating a fire inside of a building?

A

Initial Engine company officer

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64
Q

When smoke is encountered from floor to ceiling, this typically an indicator of a _____ fire?

A

Basement

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65
Q

According to the NFPA, what is the human body’s threshold for heat?

A

212 degrees F

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66
Q

A cue that can assist with estimating a hoseline stretch is with parking spaces. In garden apartment and strip shopping centers, what is the approximate length that parking lots are spaced apart?

A

10 feet

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67
Q

What is the A in the mnemonic “ADULTS” stand for?

A

Advanced fire conditions

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68
Q

What are the two distinct methods to describe the human decision-making process?

A

Naturalistic and Classical

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69
Q

What are the three categories fire service training falls into?

A

Self-Study, Company Training, Multi-Unit Training

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70
Q

What is it called when solid fuels are heated and combustible gases are driven out?

A

Pyrolysis

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71
Q

A flashover occurs between what two stages of fire growth?

A

Growth and Fully Developed

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72
Q

What should serve as a warning that the fire area may be reaching the point of flashover?

A

Rollover

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73
Q

In terms of Victim Survivability Profiling, at approximately _____ ppm of CO the human body is rendered unconscious within 4-12 seconds with death following shortly thereafter?

A

200,000

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74
Q

What is the ratio of water to steam at 212 degrees Fahrenheit?

A

1:1,700

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75
Q

What two types of attack methods must not be used where victims may be located, or firefighters are operating?

A

Indirect attack and Combination attack

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76
Q

Penciling will immediately decrease building heat within a compartment by?

A

50%-60%

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77
Q

What method is also known as Recognition Prime Decision Making (RPDM).

A

Naturalistic Decision Making

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78
Q

What is the step by step decision making process on firefround called?

A

Classic decision making process

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79
Q

What decision making process that is intuitive where the decision maker recognizes sights, smells sounds, etc?

A

Naturalistic decision making

80
Q

How much faster rate does today’s fire burn when compared to 20 years ago?

A

10x

81
Q

When does flashover occur?

A

Between growth and fully develop stage

82
Q

What is the layering of smoke and gas clouds?

A

Stratification

83
Q

What is the tendency of gases to form into layers according to temperatures?

A

Thermal layering

84
Q

What serves as a warning flashover is about to occur?

A

Rollover

85
Q

What is defined as the amount of energy released over time?

A

Heat release rate

86
Q

How far should the nozzle be from the window to do hydraulic ventilation?

A

2ft

87
Q

What does smoke density and color together an indicator of?

A

Flammability

88
Q

Where should you begin overhaul?

A

At the seat of the fire

89
Q

What’s acronym is used to relay a progress report?

A

C.A.N.

90
Q

What it called when smoke level rises, increasing the distance of clean air at the floor level?

A

Lift

91
Q

What is the upper limit of heat threshold of the human body?

A

212

92
Q

What is the primary cause of fire related deaths?

A

CO

93
Q

What is the “A” in ADULTS mean?

A

Advance fire conditions

94
Q

Who does the first engine officer request to transfer command?

A

1st BC

95
Q

When should first OIC not hold command?

A

3 or more resources on scene

96
Q

How far apart are telephones poles?

A

75ft

97
Q

How wide is a parking space?

A

10ft

98
Q

A __ - ___ is the space between both handrails in a stairwell and allows engine companies to achieve the maximum length of the hose.

A

Well-Hole

99
Q

The first due engine company generally has what responsibilities on a fire alarm response?

A

Lay the primary supply line

100
Q

Which engine is responsible for: ensuring primary water supply, assume command if assigned, ensure successful deployment/advancement of initial attack line, deploy second hose line.

A

2nd Engine

101
Q

Oxygen, Heat, Fuel and ___ make up the fire tetrahedron

A

Chain reaction

102
Q

What happens when all the surfaces and objects within a space have been heated to their ignition temperature and simultaneously ignite?

A

Flashover

103
Q

This may happen after the fire has entered the decay stage consuming all available oxygen and when oxygen is reintroduced the heat gases in their flammable range ignite with explosive force.

A

Backdraft

104
Q

The ___ begins when heat, oxygen, and a fuel source combine under the right conditions causing a chemical reaction resulting in fire

A

Incipient stage

105
Q

___ should serve as a warning that the fire area may be reaching the point of flashover

A

Rollover

106
Q

Heavy dense smoke with no visible flame, Black smoke pushing around closed doors and window frames, glass stained with smoke condensation and pulsating, and reversal of air movement pulling smoke back into a building. Are warning signs of what?

A

Backdraft

107
Q

___ ___ consist of natural materials, such as cotton, wicker, solid wood, and dimensional lumber

A

Legacy materials

108
Q

HRR is simply defined as the…

A

Heat Release Rate

109
Q

______ is the process of removing large amounts of smoke, fire, gases, and heat from the interior of a structure with the fire compartment.

A

Hydraulic ventilation

110
Q

RECEO-VS stands for what?

A

Rescue, Exposure, Confinement, extinguishment, overhaul, ventilation, salvage

111
Q

Threats to safety on the fire ground primarily come from two categories:

A

Advanced Fire conditions and Collapse potential

112
Q

_______ is a term that the fire service has used for many years. The core concept is that firefighters have to conduct a thorough size-up of a structure to determine the likehood of a victims potential to be rescued.

A

Victim Survivability Profiling

113
Q

NFPA suggests that the upper range of temperature tenable for the human body is around ______ Degrees Fahrenheit

A

212 degrees

114
Q

What is the primary cause of fire related death; at approximately 200,000 parts per million (ppm) the human body is rendered unconscious within 4 -12 seconds with death following shortly thereafter.

A

Carbon monoxide

115
Q

On residential street, telephone poles are typically spaced approximately _____ feet apart

A

75ft

116
Q

____ is the distance from the engine company to the entrance of the fire building

A

Setback

117
Q

When do you begin preperations for engine company responses?

A

When you enter quarters

118
Q

Whats is the goal of an engine Company?

A

Effective Delivery of water and pressure to the fire ground

119
Q

Which type of decsion making is step by step, logical?

A

Classical

120
Q

What type of thinking is an intutive reaction to a problem?

A

Naturalistic

121
Q

What is the most important part of pre incident planning?

A

Learning about buildings that could cause problems or injury

122
Q

Todays fires burn how much hotter than fires of 20 years ago?

A

10x

123
Q

Stage at which all surfaces and objects have been heated to ignition temp?

A

Flashover

124
Q

Explosion that occurs when o2 is introduced to a smoldering fire as heated gases enter their flammable range?

A

Backdraft

125
Q

Solids turning into gas is called?

A

Pyrolosis

126
Q

What is a warning that the point of flashover is being reached?

A

Roll Over

127
Q

What is usualy the first ventilation operation?

A

Forcing Entry

128
Q

What must be cautiously vented?

A

Large glass sliding doors

129
Q

When hydraulicly venting how much of thw window should be covered?

A

80%

130
Q

What is the Acroymn for progress reports?

A

CAN

131
Q

What is the coordinated and specific relocation of units and their equipment?

A

Tactical Withdraw

132
Q

What is the Immediate evacution of all personnek from an unsafe structure?

A

Emergency Evacuation

133
Q

Defensive to offensive mode. Fire is knocked down with exterior streams then transitioned inside?

A

Blitz attack

134
Q

When water turns to steam at 212 degrees it expands how many times?

A

1700

135
Q

Reach of mercury monitor?

A

185’

136
Q

Acronym for 2.5” selection?

A

ADULTS

137
Q

Articulates the general plan or course of action taken to reach the objectives. Most often manifests in the mode of operation.

A

Strategy

138
Q

Involve the specific actions employed to fulfill a strategy

A

Tactics

139
Q

The initial engine company officer takes responsibility for locating

A

A fire inside a building

140
Q

Unit officers should complete a 360 lap of the structure during the

A

Size up

141
Q

When smoke is encountered from floor to ceiling, companies must check the

A

Floor below

142
Q

When smoke is encountered from floor to ceiling, this could indicate a fire in what phase with limited ventilation?

A

Decay

143
Q

If smoke pours out of the opening at the top, lifts rapidly and begins to draw in at the bottom. This may indicate

A

A significant fire relatively close to the entry

144
Q

If smoke lazily or barely exhausts and lifts. This may indicate

A

A fire located farther away from the point of entry that is less intense or located on the floor below

145
Q

VSP stands for

A

Victim Survivability Profiling

146
Q

Officers engaged in both interior and exterior operations who observe significant incident changes should communicate them to command in the form of

A

Progress reports

147
Q

If initiating arriving units find a well advanced fire extending to exposures, officers may deem what appropriate?

A

defensive mode

148
Q

If the crew cannot initiate an offensive attack after a withdrawal the engine officer should advise the IC

A

As soon as possible

149
Q

Not only should the first arriving engine officer formulate this plan, they must clearly communicate it to other responding units.

A

Water supply plan

150
Q

The engine officer secures what when they deem a hydrant close enough to their position without needing a supply engine?

A

Own water

151
Q

When arriving at the scene of a structure fire, first arriving company officer must determine

A

Which hose line to use

152
Q

Water supply instructions, on scene report, situation report, command statement

A

Primary elements of communication relayed by the first arriving engine officer

153
Q

Lowest level of fire involvement, presence of and access to the basement, number of floors and how they will be labeled, potential for fire extension, location of egress from the structure, initial operation mode, fire’s flow path, position of 1st and 2nd hose line

A

What should be determined during size up by engine officers

154
Q

The engine officer must make tactical decisions based on what?

A

What actions will most quickly and safely mitigate the incident

155
Q

After making the command statement what 2 options does the engine officer have?

A

Request to transfer command, establish command

156
Q

Officers should consider having one firefighter remain with the engine driver to

A

Facilitate water supply operations and deploy the initial hose line

157
Q

This is observed when flames present in layers of smoke as a result of heated gases that are pushed under pressure from the fire to uninvolved areas.

A

Rollover

158
Q

This is the tendancy of gses to form into layers according to temp.

A

Thermal layering

159
Q

Layering of smoke and gas clouds.

A

Stratification

160
Q

As solid fuels are heated, combustable gases are driven from the substance.

A

Pyrolysis

161
Q

The stages of fire growth

A

incipient, growth, fully developed, decay

162
Q

Amount of energy released over time

A

Heat release rate

163
Q

During hydraulic ventilation__% of a indow opening is covered with a wide fog.

A

80

164
Q

During hydraulic ventilation the nozzle should be this far away from a window.

A

2 feet

165
Q

The CAN report consists of?

A

Conditions, Ations, Needs

166
Q

NFPA suggests that the upper tenability for humans is around ____ degrees F.

A

212

167
Q

Co levels greater than 200,000 ppm will cause the human body to go uncx in _____.

A

4-12 sec

168
Q

When this occures all personnel, hose, and equipment will be moved to a safe arra, followed by a PAR check.

A

Tactical Withdrawl

169
Q

H2O to steam ratio at 212 degrees is___.

A

1 - 1700

170
Q

The mercury monitor has an average max reach of ___.

A

185 ft

171
Q

The mercury monitor has a reach of about ___ on medium fog.

A

50ft

172
Q

Parking spots in strip shopping centers and garden apartments are typically spaced ___ ft.

A

10 ft

173
Q

Telephone poles on residential streets are typically ___ feet apart.

A

75

174
Q

ADULTS is an mnenonic for what conditions?

A

Selection of 2 1/2 line

175
Q

Doors should be chocked where?

A

LOW

176
Q

What general estimate can be used to determine if a stairwell has sufficient space for a well-hole stretch?

A

One fist width

177
Q

With regard to apparatus positioning, what unit positions should be determined during pre-incident planning?

A

1st Engine, 2nd Engine, 1st Truck

178
Q

Under normal circumstances, which unit will generally deliver the on-scene report?

A

1st Engine

179
Q

Some tasks of what unit may include the potential to assume command and ensure the establishment of the primary water supply?

A

2nd Engine

180
Q

What are the elements of the fire tetrahedron?

A

Oxygen, fuel, heat, chain reaction

181
Q

During what event are all objects within a space heated to their ignition temperature, resulting in the simultaneous ignition of all surfaces?

A

Flashover

182
Q

What results in an explosion that occurs when additional oxygen is introduced into a smoldering fire?

A

Backdraft

183
Q

What is being observed when flames are present in layers of smoke as a result of heated gases being pushed under pressure from the fire area into uninvolved areas?

A

Rollover

184
Q

What is the process that causes combustible gases to be driven from a heated solid fuel?

A

Pyrolysis

185
Q

What are the four stages of fire growth?

A

Incipient, growth, fully developed, decay

186
Q

What is the significance of the Heat Release Rate pertaining to modern materials?

A

HRR is much higher, quickly leading to flashover

187
Q

With regard to fuel loading, materials consisting of natural materials such as cotton, wicker, solid wood, and dimensional lumber are known as what?

A

Legacy materials

188
Q

When conducting hydraulic ventilation, approximately what percentage of the opening should be covered by a fog stream?

A

80%

189
Q

What acronym encompasses the main firefighting objectives?

A

RECEO VS

190
Q

The situation report compiles information from what components?

A

Pre-incident size up, pre-arrival size up, on-scene report, 360 degree lap

191
Q

During ongoing size-up, what acronym assists with progress reports?

A

CAN

192
Q

“Firefighters have to conduct a thorough size-up of a structure to determine the likelihood of a victim’s potential to be rescued” is a core concept of what term?

A

Victim Survivablility Profile

193
Q

What term describes the maneuver that occurs when transitioning from an offensive attack to a defensive attack?

A

Tactical withdrawal

194
Q

What occurs when the IC recognizes a serious threat to firefighters, and safe operation in a structure is compromised?

A

Emergency evacuation

195
Q

What acronym aids in determining the need for 2 1/2” line selection?

A

ADULTS

2023 Lieutenants Exam (32 decks)

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