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Truck Book T2 > Truck > Flashcards

Truck Flashcards

1
Q

________ is a measurement of kinetic energy.

A

Temperature

P. 21

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2
Q

Thermal energy often Referred to as ______ is kinetic energy associated with the movement of atoms and molecules that comprises matter.

A

Heat energy

P. 21

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3
Q

Outcome of combustion in a confined space in which gases tend to form into layers according to temperature.

A

Thermal layering

P. 26

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4
Q

As the fire progresses the chance for a condition called _____ increases. During a rollover flames begin to move _____ through the hot gas layers. The ceiling temperature approaches ______ during rollover and the heat being radiated to the floor may be sufficient to ignite ordinary materials such as newspapers.

A

Rollover
Intermittently
1100f

P. 28

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5
Q

The availability of both ____ and _____ determines whether a fire within a compartment will progress to flashover.

A

Fuel
Oxygen

P. 29

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6
Q

In a compartment fire the most fundamental fuel characteristics influencing fire development are ____________ area.

A

Mass to surface.

P. 31

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7
Q

The type of _______ influences fuel load as some type of building materials are more combustible than others.

A

Construction.

P. 31

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8
Q

________ properties include insulation heat reflectivity retention and conductivity.

A

Thermal

P. 35

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9
Q

In general there are two mechanisms that can induce flashover.

A

Radiation and ventilation

P. 47

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10
Q

A strong ____ air flow can be a significant indicator of ______ that will move in the direction of the opening.

(Will involve the next room)

A

Bidirectional
Flashover.

P. 50

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11
Q

The potential for a backdraft is increased when the building contents have a high _________.

A

Heat of combustion

P. 53

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12
Q

A continuous process of identifying hazards and risks and taking steps to eliminate or reduce them in the rapidly changing circumstances of an operational incident.

A

Dynamic risk assessment

P. 63

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13
Q

Those is leadership positions are obligated to acquire and develop four critical leadership skills.

A

Authority
Mentoring
Conflict resolution
Mission analysis

P. 64

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14
Q

The other way that heat is removed from the interior of a building is by firefighters opening exterior windows and doors. This technique is called__________.

A

Vent as you go.

P. 108

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15
Q

Extend ladders a maximum of ______ above metal railings.

A

1 foot

P. 122

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16
Q

If the window opening is wide enough to permit the ladder too to project into it and still allow room beside it to facilitate entry and rescues the ladder can be placed so that it extends _____ to ______ rungs into the window opening.

A

2 to 3

P. 135

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17
Q

In the absence of an aerial device ground ladders are the primary means of aging access to the roof of structures up to ______ stories in height.

A

4

P. 139

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18
Q

One reason an accurate size up is so important is that the initial report on conditions and the ____ is based on it.

A

Incident action plan.

P. 155

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19
Q

During a fire attic vents allow air in_____ the fire but also provide a means for products of combustion to escape.

A

Fanning.

P 164

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20
Q

Many of the utility related calamities is which firefighters have been injured or killed were caused by or fueled by _______,________,_______.

A

Gas, lpg, or heating oil

P. 178

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21
Q

One of the most important ways of ensuring the saws safety and effectiveness is by making sure that the saw blades are __________.

A

Serviceable

P. 221

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22
Q

In zero visibility conditions firefighters must use a _____ or take a _____ with them into the building.

A

Tagline.
Charged hose line.

P. 258

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23
Q

Most thermal imagers use one of two technologies.

A

Microbolometer or bst

P. 260

24
Q

The two major advantages of using a thermal imager during primary search are ______ and _______.

A

Speed
Effectiveness

P. 262

25
Q

When search teams must progress deep into large complex buildings their ________________ must be maintained.

(Safe zoning)

A

Line of retreat

P. 264

26
Q

Each member of the ric should be equipped with at least one effective ________ device.

A

Lighting

P 277

27
Q

In some fire departments tarps slightly smaller that standard salvage covers and of different color are marked as dedicated __________________.

A

Ric equipment caches

P. 279

28
Q

The importance of early and aggressive tactical ventilation Operations on interior structure fire especially ________ Fire can’t be overstressed

A

Attic.

P. 285

29
Q

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

A

Smoke

P. 291

30
Q

There are two categories of smoke density.

A

Optical, opacity
Physical (buoyant)

P. 291

31
Q

For purposes of ventilation size up the following critical building construction factors should be considered.

A

Age and type
Positive features
Negative features
Occupancy specific features

P. 293

32
Q

Among the most positive building construction features are _________. They employ the principle of ____________.

A

Self closing fire doors.
Compartmentalization.

P 296

33
Q

Ideally buildings with ________ roofs systems or any other system that is prone to early collapse during a fire will have _______________ vents.

A

Panelized
Automatic smoke vents.

P. 298

34
Q

To _______ a roof means to observe the roof construction features and other indicators that can warn firefighters of potentially unsafe conditions.

A

Read

P. 348

35
Q

An __________ is often the Safest and most efficient means of gaining access to a roof and should be positioned to gain the greatest advantage possible.

A

Aerial device

P. 349

36
Q

Roof ladders should only be used to give the firefighters more secure footing on ___________.

A

Pitched roofs

P. 351

37
Q

Because roof supports almost always run perpendicular to the outside walls firefighters should never walk ________ across the roof of a burning building.

A

Diagonally

P. 351

38
Q

Once firefighters are on the roof they should test the roof by gently _________ on it while holding onto the _____ or _____ with one hand.

A

Bounce
Ladder
Parapet wall

P. 352

39
Q

Most roofs assemblies employ a _________ system with rafters spaced from _____ to _____ inches on center spanning the shortest distance between structural members or bearing walls.

A

Parallel rafter
12 to 24

P. 354

40
Q

If sounding the roof does not reveal the location and direction of the rafters a diagonal cut through the roof covering can be made with a chain saw or rotary saw at an angle of _______ to any exterior wall. Usually finds rafters before ____ ft.

A

45 degree.
3 feet

P. 354

41
Q

To be most effective a chain saw must be used with the bar at a ______ angle to the roof surface.

A

Right

P. 357

42
Q

All rafters in ______ roofs run perpendicular to the nearest outside wall.

A

Hip.

P. 363

43
Q

This type of roof may be constructed with mono pitched trusses with a single web. Half of a gabled roof

A

Shed

P. 364

44
Q

The _____ roof has a double slope on each of its four sides.

A

Mansard

P. 365

45
Q

_____ flat roofs create special hazards as well. This design also creates a concealed space often several meters high.

A

Inverted

P 375

46
Q

The single biggest hazard of _____ roofs is the danger of sudden and total collapse often without warning.

A

Arched

P. 382

47
Q

Most common types of roof trusses.

A

Parallel cord and pitched

P. 385

48
Q

Layer of material between a roof deck and the roof covering that may or may not be bonded to the roof covering.

A

Substrate

P. 389

49
Q

The most common substrate is _______ or _________

A

Roofing felt Or tar paper

P 389

50
Q

Cutting _____ vents is often the fastest and most efficient way to open a roof. Also known as center rafter cut.

A

Louver

P. 401

51
Q

A second method of louver venting sometimes called ___________ involves making the two longest cuts perpendicular to the rafters. Also known as ________

A

Rolling the rafters.
Dicing

P. 402

52
Q

To quickly create a large ventilation exit opening on a lightweight roof __________. This requires ____ firefighters. When finished the opening will be ____ wise by ________. Long. Requires cutting roof rafters.

A

Rolling back the roof
4
8 ft
12-40 ft

P. 403

53
Q

Water chutes are constructed using _____ frame ladders.

A

A

P. 142

54
Q

The common characteristics of smoke:

A

Air flow-pressure
Color
Density
Volume

P. 158

55
Q

Some departments train their firefighters to control the search environment to the greatest extent possible. They do so by applying _______ and ______.

A

Safe zoning.
Guarding the line of retreat.

P. 263

56
Q

Firefighters create _______ by closing interior doors to isolate the fire and then remove heat and smoke from uninvolved areas with positive ventilation or hydraulic

A

Safe zones.

P. 263

Truck Book T2 (1 decks)

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