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Final exam Flashcards

1
Q

The three principals of air managment

A
  1. Always know how much air you have left
  2. Know your point of no return
  3. Inform IC if you must exit the structure
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2
Q

Atmospheric hazards generally fall into one of these 3 catergories

A

Oxygen enriched or deficiency
Flammability
Toxicity

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3
Q

Normal air contains:

A

20.9% oxygen, 78.1% nitrogen, and 1% other gases

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4
Q

At what percentage is the atmosphere considered oxygen-deficient?

A

Below 19.5% oxygen

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5
Q

At what percentage is the atmosphere considered oxygen-enriched?

A

above 23.5% oxygen

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6
Q

What does LEL stand for?

A

lower explosive limit

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7
Q

At what percentage of it LEL does an atmosphere containing a flammable gas, vapor or mist is considered hazardous?

A

excess of 10%

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8
Q

Combustible gas indicators measure the amount of flammable vapors and gases in an atmosphere in one of 3 ways

A

% of lower explosive limit (LEL)
parts per million
% of gas per volume of air

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9
Q

What are some chemicals chemical monitors are designed to detect?

A 
carbon monoxide
ammonia
hydrazine
hydrogen cyanide 
hydrogen sulfide 
chlorine 
Ethylene oxide 
phosgene
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10
Q

Typical 4 gas monitor will detect

A

LEL, oxygen, carbon monoxide and hydrogen sulfide

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11
Q

IDLH

A

Immediately dangerous to life and health

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12
Q

Main purposes for Thermal imagers (TIs)

A

detect sources of heat, victims and hidden fires

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13
Q

What does VEIS stand for?

A

Venter, enter, isolate and search

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14
Q

Temps at or above ___ degrees F are unlikely to be survivable for unprotected victims

A

162

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15
Q

How many firefighters are needed for rescue?

A

at least 4

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16
Q

Name the types of carries and drags?

A 
incline drag
extremities lift/carry 
webbing drag
cradle in arms lift/carry
seat lift/carry
litter carry
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17
Q

LUNARS

A

Location, Unit, Name, Assignment, Resources, Situation

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18
Q

LIPS

A

Location, Identification, problem, survival

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19
Q

What must occur after MAYDAY transmission is made?

A

All radio traffic ceases and only traffic relating to MAYDAY is allowed

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20
Q

What does RIC stand for?

A

Rapid intervention crew

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21
Q

What does PAR stand for?

A

Personal Accountability Report

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22
Q

What side it the female coupling on? What side it the male coupling on?

A

The female is on the nozzle side, the male is on the waterside

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23
Q

Does the male or female coupling have lugs?

24
Q

AWARE

A

Air, Water, A radio, and Extricatioom

25
What equipment is mandatory for the RIC team to have?
Spare SCBA Hoseline A radio Forcible entry tools
26
What are some immediate actions that improve survivability?
staying low to the floor, using your hose stream for protection, closing doors, using tools to shore up building material, filtering toxic air
27
What are the 3 incident priorities
1. life safety 2. incident stabilization 3. property conservation
28
tactical ventilation
the planned, systematic and coordinated removal of heated air, smoke, gases or othr airborn contaminants from a structure
29
What does ventilation without coordination lead to?
Flashover
30
Difference between natural, mechanical, and hydraulic ventilation?
Natural horizontal ventilation involves opening doors and windows to allow air currents and pressure differences to remove smoke and heat from the building. Mechanical ventilation involves the use of fans and ejectors to create pressure differences. Hydraulic ventilation uses water streams to ventilate compartments and create pressure differences.
31
creating negative pressure
means artificially lowering the pressure inside the structure so that fresh air from outside moves in more quickly
32
creating positive pressure
means artificially raising the pressure inside the structure so that smoke and fuel gases move toward lower pressure openings more quickly
33
Supply hose
transports water from fire hydrant or other water supply source to an apparatus equipped with a pump
34
Attack hose
transports water or other agents, at increased pressure, from the following sources - from the pump equipped apparatus to a nozzle - from the pump equipped apparatus to a fire department connection mounted on a structure - from a building standpipe to the point the water is applied to the fire
35
NFPA 1961
standard on fire hose
36
NFPA
the standard for automotive fire apparatus
37
What are hard suction hoses designed for?
drafting water from static water supplies or connecting to fire hydrant
38
How long are hard suction hose sections?
10 feet
39
NFPA 1963
standard for dire hose connections
40
swivel
free-turning ring on female coupling
41
shank
portion of coupling that serves at point of attachment to the hose
42
does the female or male coupling have lugs on the shank?
the male
43
three types of lugs
pin, recessed, and rocker
44
according to NFPA 1962, how often should how be inspected?
services tested within 90 days before placed in service for the first time and at least annually after that
45
List types of damage that can occur to a hose
- Mechanical damage - thermal damage - organic damage - chemical damage - corrosion - age deterioration
46
Three most common loads for supply hose lines
flat, accordion, and horseshoe
47
What type of hose load is less likely to damage from apparatus vibration during travel?
flat load
48
Three most common loads for attack hose lines
preconnected flat load, triple-layer, load, minuteman load
49
what are dry barrel hydrants designed for?
freezing temperatures
50
What are the most common tools used to tighten or loosen hose couplings?
spanner wrench, hydrant wrench, rubber mallet
51
where is the dry-barrels main valve?
below the frost line
52
Direct attack
applying water or extinguishing agent directly on the fire
53
Indirect attack
directing the stream towards the ceiling to cool the room or by banking the stream off the walls
54
Transitional attack
exterior attack through ventilation opening to help transition the fire from ventilation limited to fuel limited
55
combination attack
combines a direct attack with an indirect attack, starting at the ceiling and then hitting the fire at its base ex. Z pattern

Fire 1 class (1 decks)

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