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Structural Truck Company > Truck Company > Flashcards

Truck Company Flashcards

1
Q

Crew resource management
Leadership skills to develop

A

Authority involves the leader Insurance emissions safety Foster an environment respectful communication establishing task

Mentoring involves the leader demers’ reading skills and techniques chemistry and Professional Standards and best practices verbalizing errors and limitations promptly

Conflict resolution involves the leader identifying issues and courage in diplomatic questioning of the action decisions of others knowledge in differences of opinion

Mission analysis involves the leader of evaluating risk vs gain identifying objectives developing strategies and tactics to meet the identified objectives implemented in action plan expecting the unexpected evaluating effectiveness of the action plan in devising alternative strategies
test question

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2
Q

Safety fact

A

The most important way that those safety behaviors become a part of the departmental culture in of individual behavior is through TRAINING

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3
Q

Collapse indicators

A

Number one heavy fire no progress after 10 to 12 minutes in wood or ordinary Construction

Walls floors bowing or sagging, Distortion of Windows and Doors, Beams pulling away from support’s, Little or no run off while using heavy streams, new cracks developing or moving, walls disassemble under stream impact

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4
Q

Ladder selection

A

Unless the situation dictates otherwise the longest ground ladder on scene should be deployed first then the next longest

The most critical factors are primary objective rescue window or roof access, fire size and location, current and expected fire Behavior

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5
Q

Ladder selection

A

Proper distance can be determined by dividing the used length of the ladder by 4 the used length of a ladder and position is the vertical distance above the ground where the ladder contacts the building not the full length of the ladder

The ladder selected must not only be long enough to reach the objective at a safe climbing angle but also extend three to five runs above any parapet or roof eave

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6
Q

Pole ladder raises

A

The perpendicular technique is preferred because it eliminates the need for a 90-degree pivot of the ladder that is required when it is raised parallel to the building

A minimum of four firefighters are required to raise a pole ladder but adding a 5th or 6th firefighter to the team increases both safety and efficiency

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7
Q

Placing of ladders

A

Position of firefighter to break a window for ventilation it should be placed alongside the window to the windward upwind side the tip should be even with the upper portion of the window the same position can be used when firefighters need to climb in and out of narrow windows or direct hose streams into them

If the window open is wide enough the ladder can be placed so that extends 2 to 3 rungs into the window opening

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8
Q

Access into structures

A

Ground ladders are often the best means of reaching windows that must be open or broken out to gain entry into the building or for rescue or horizontal ventilation

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9
Q

Above grade ladder rescues

A

Rescuing people trapped on Floors above the ground floor or in other elevated locations are the most common situation in which ground ladders are used for Rescue

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10
Q

Vertical ventilation and Ladders

A

Absence of an aerial device ground ladders are the primary means of gaining access to the roof of structures up to four stories in height

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11
Q

Mechanical advantage of ladders

A

The most common application is in lowering injured victims from points above grade

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12
Q

Water removal and Ladders

A

What letters can be used to construct a variety of water removal contrivances they are most often used to construct water chutes

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13
Q

Bridging

A

If the gap between the buildings is not more than one-third its length a single ladder can be laid on the roof of one building in the tip simply slid over to the other building to allow access

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14
Q

Forcible entry tools most important

A

What are the most important and most versatile forcible entry tool is the rotary saw sometimes referred to as rescue saw

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15
Q

Saw blade replacements schedule

A

12 tooth wood cutting replace when two or more teeth are damaged

24 tooth wood cutting blades when 8 or more teeth or damage

Replace composite concrete or metal cutting blades when the blade can fit inside an 8 inch circle

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16
Q

Best tool for forcing residential commercial doors

A

Rotary saw clip with metal cutting blade is one of the best tools to use for forcing an inward swinging metal door set in a metal frame

The saw can be plunged through the rabbit or door stop to cut the deadbolt
Or used to make two intersecting 45 degree Cuts around the locking mechanism is that the door free

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17
Q

Softening the building

A

Some Department Sops is to force open all doors into the structure when there is a significant fire inside
This is only done if it will not change the ventilation profile

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18
Q

Industrial institution doors

A

One of the most common types of industrial institutional service doors the firefighters may have to force open is a steel roll-up door

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19
Q

Forcing industrial institution doors

A

One of the most common methods of cutting through a roll up or sheet curtain doors to make a large triangular cut the cut typically does not create an opening large enough for Access by fire attack Cruise it’s more to provide an Escape Route for firefighters

The apex of the triangle should be at least 6 ft high in the middle of the door the bottom of the door in the sides are formed by two 45 degree cuts

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20
Q

Telescoping doors

A

Triangular cuts are not recommended for telescoping doors

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21
Q

Breaking windows

A

Firefighter breaking glass should be up wind

If using an axe to break the window the firefighters to strike the window with the flat side of the blade the handle should be held higher than the blade to prevent the glass from sliding down the handle toward the firefighter

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22
Q

Lexan

A

Polycarbonate window 30 times stronger than safety glass and 250 times stronger than ordinary glass

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23
Q

Gaining access to a thermoplastic window

A

A rotary saw with a medium 40 tooth carbide tip blade is most effective when entry must be made through all types of plastic windows

However a rotary saw is the only fire service tool that will cut lexan polycarbonate

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24
Q

Breaching walls

A

Tools needed rotary saw, chainsaw, circular saw, battering ram, Sledgehammer, concrete breaker in the air chisel

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25
Q

Conducting a search

A

Two objectives of a building search are locating victims and obtaining information about the location and extent of Fire a third type of search is rapid intervention which is needed to locate and rescue firefighters in distress

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26
Q

Primary search priorities

A

Most severely threatened whenever possible firefighters should begin their primary research is close to the seat of fire its conditions allows

The next most seriously threatened are those on the floors above the fire because of the potential for fire and smoke to spread upward once the fire floor has been searched the floor directly above should be checked

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27
Q

Safe zoning

A

This technique is used in support of a fire attack or independently of it firefighters create safe zones by closing interior doors to isolate the fire and then remove heat and smoke from uninvolved areas with positive pressure ventilation or hydraulic ventilation

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28
Q

Marking systems when searching

A

Carlos of the mark and method used to Mark should be placed on the lower third of the wall or door so they are more likely to be visible below the smoke

29
Q

Large area search

A

200-foot rope 3/8 of an inch thick every 20 ft of its length of 2 inch steel ring is tied into the search

So they provide directional indication not toward the fire Rings toward the exit

30
Q

Searching multi-story buildings

A

The most critical errors in the multi-story buildings are as follows
Number1 the fire floor
Number 2 the floor directly above the fire
Number three the topmost floor
The majority of the occupants will be found in this area

31
Q

Rapid intervention

A

The total for firefighters must usually be on seen before firefighters are allowed to enter a burning building for primary search and rescue

32
Q

Ric limitations

A

One possible limitation on the effectiveness of a rapper Innovation crew maybe the number of personnel assigned compared to the number actually needed to complete the task in a safe and timely manner

33
Q

Smoke Behavior

A

From ventilation size up perspective one of the most important indicators of the fire conditions within a burning building is the behavior of the visible smoke

Smoke volume smoke color and density , air flow pressure

34
Q

Smoke color and density

A

Whitish grey smoke indicate cellular cellulose-based materials wood and paper

Dense black smoke is generally produced by hydrocarbons such as petroleum or material burning where oxygen supply is limited

35
Q

Optical density in opacity

A

Describe how difficult it is to see through the smoke smoke containing high concentrations of particulate is very dense thick not transparent

36
Q

Physical density

A

This describes how buoyant the smoke is smoke that is buoyant will rise quickly and smoke that is not will hang close to the floor buoyancy is related to the temperature of the smoke the higher the temperature the more buoyant to smoke

37
Q

Airflow

A

If the smoke and gases are confined pressures created as a confined fire grows larger and more intense more pressure is created the smoke will be forced out under pressure through every available opening

38
Q

Unreinforced masonry buildings

A

Older structures that are prone to structural collapse

39
Q

Timing of ventilation

A

The timing of tactical ventilation can be one of the most critical aspects of the operation in both Effectiveness and safety

40
Q

Exposures hazards

A

Horizontal ventilation can threaten exposed buildings through radiation and or direct flame contact smoke me also be drawn into adjacent buildings by window mounted AC units vertical ventilation may also threaten nearby structures

41
Q

Weather and ventilation concerns

A

The most important weather-related influences on tactical ventilation are wind and temperature

42
Q

Temperature

A

Effect of atmospheric temperature on fire Behavior inside a structure may be limited atmosphere temperature can affect the neutral pressure plane in high-rise buildings

43
Q

Horizontal ventilation

A

Horizontal ventilation Remains the most frequently used form of tactical ventilation

44
Q

Important factors of horizontal ventilation

A

Location of the fire
Wind direction and speed
Location of ventilation openings

45
Q

Using Windows for horizontal ventilation

A

Open the windows on the leeward side fully and those on the windward side about halfway

46
Q

Using smoke ejectors

A

Smoke detectors are usually set up in openings on the leeward side of the building

When smoke detectors are placed in doorways Windows they should be positioned near the top of the opening because convection causes the majority of the Heat and smoke to rise to the top of the compartment

47
Q

Using blowers

A

Ppv blowers are set up about 6 ft outside the point of entry into the building so the cone of are they create completely covers the inlet opening

48
Q

Ventilating using a nozzle

A

Nozzle Position should be two feet inside the room being ventilated the spray pattern should not exceed 60 degrees because it would lose efficiency at greater angles

49
Q

Firefighters on the roof precautions

A

When firefighters are on the roof of the building should be laddered on at least two sides and on all sides if resources permit

50
Q

Roof hazards

A

The strongest points of any roof are where the roof meets the outside walls directly over roof supports in at ridges or valleys

The weakest points are between the support

51
Q

Cutting tools

A

It is recommended that a clear space of at least 10 ft be maintained in all directions from anyone using a cutting tool in vertical ventilation

Common cutting tool used for vertical ventilation are the rotary saw chainsaw in the pick head axe

52
Q

Stripping tools

A

Most common pick head axe, the pike pole, the rubbish hook

53
Q

Pitched types of pitched roof

A

The most common examples of pitch roofs are Gable, hip, Lantern, shed Style

54
Q

Bridge truss roof

A

The strongest areas of bridge truss roofs are at the perimeter of the building where the bottom chord of the trust rest on the outside bearing wall

55
Q

Venting pitched roofs

A

Pitch roof should be vented at the highest point on the leeward side directly over the fire or as close to it as possible

The ventilation exit opening should be at least 4 by 4

56
Q

Flat roofs hazards

A

There’s often a concealed space between a flat roof in the ceiling of the top floor below this place is referred to as attic or cochlea crawl space or interstitial space which may lead to early roof failure

57
Q

Hazards of arched roofs

A

The single biggest Hazard of our truce is the danger of sudden and total collapse often without warning

58
Q

Venting arched roof

A

R-Truth should be vented at the top of the arch directly over the fire or buy a long narrow strip vent along the Centerline of the roof

59
Q

Parallel chord truss has

A

The bridge in effect of parallel chord truss has causes the top Court to always being compression in the bottom cord intention

60
Q

Trench strip ventilation

A

Primarily a defensive maneuver trench ventilation is sometimes referred to as a strip ventilation it describes a ventilation exit opening that extends from one outside wall to the other including the metal flashing at both ends

Effective in limiting the spread of attic fires in strip malls. trench ventilation accomplished by cutting an opening the roof at least 4 ft wide across the entire width of the building

61
Q

Fire behavior in high-rise building

A

Fire behavior in high-rise buildings is most affected by Stack effect in mushrooming

62
Q

High-rise ventilation

A

Ppv blowers position at street level are effective up to about 22 floors

63
Q

Neutral pressure plane

A

Exist at the level of ambient atmospheric pressure usually between 35% and 50% of the building height as the distance away from this point increases the pressure differences also increases to positively above the plain and negatively below the plane

64
Q

In a high-rise ventilating the fire floor

A

Horizontal ventilation of the fire floor shouldn’t be done only when there is no other choice

65
Q

Effects of wind

A

Wind produces a positive pressure on the windward side of the building which tends to raise a neutral pressure plane and a negative pressure on the leeward side of the building which tends to lower the neutral pressure plane before venting the fire floor horizontally it must be determined that are movement will be conducive to effective ventilation

66
Q

Neutral plane in high-rise buildings facts

A

Making an opening above the neutral pressure plane allows the smoke to escape to the outside

67
Q

Automatic roof vents

A

Take advantage of the fact that fire gases rise due to convection therefore these vents are placed at the highest point of the roof summer activated by smoke detectors so others operate through the use of fusible links connected to a spring-loaded counterweight cover assembly

68
Q

Curtain boards for draft curtains

A

They generally extend a distance of equal to at least 20% of the vertical distance from the floor to the roof but not lower than 10 feet above the floor

The function of the curtain Borgias to limit the horizontal spread of heat and smoke by confining it to a relatively small area directly above its source

Structural Truck Company (1 decks)

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