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Fire 1 class > Final exam > Flashcards

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?

A

the male

24
Q

AWARE

A

Air, Water, A radio, and Extricatioom

25
Q

What equipment is mandatory for the RIC team to have?

A

Spare SCBA
Hoseline
A radio
Forcible entry tools

26
Q

What are some immediate actions that improve survivability?

A

staying low to the floor, using your hose stream for protection, closing doors, using tools to shore up building material, filtering toxic air

27
Q

What are the 3 incident priorities

A
  1. life safety
  2. incident stabilization
  3. property conservation
28
Q

tactical ventilation

A

the planned, systematic and coordinated removal of heated air, smoke, gases or othr airborn contaminants from a structure

29
Q

What does ventilation without coordination lead to?

A

Flashover

30
Q

Difference between natural, mechanical, and hydraulic ventilation?

A

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
Q

creating negative pressure

A

means artificially lowering the pressure inside the structure so that fresh air from outside moves in more quickly

32
Q

creating positive pressure

A

means artificially raising the pressure inside the structure so that smoke and fuel gases move toward lower pressure openings more quickly

33
Q

Supply hose

A

transports water from fire hydrant or other water supply source to an apparatus equipped with a pump

34
Q

Attack hose

A

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
Q

NFPA 1961

A

standard on fire hose

36
Q

NFPA

A

the standard for automotive fire apparatus

37
Q

What are hard suction hoses designed for?

A

drafting water from static water supplies or connecting to fire hydrant

38
Q

How long are hard suction hose sections?

A

10 feet

39
Q

NFPA 1963

A

standard for dire hose connections

40
Q

swivel

A

free-turning ring on female coupling

41
Q

shank

A

portion of coupling that serves at point of attachment to the hose

42
Q

does the female or male coupling have lugs on the shank?

A

the male

43
Q

three types of lugs

A

pin, recessed, and rocker

44
Q

according to NFPA 1962, how often should how be inspected?

A

services tested within 90 days before placed in service for the first time and at least annually after that

45
Q

List types of damage that can occur to a hose

A
  • Mechanical damage
  • thermal damage
  • organic damage
  • chemical damage
  • corrosion
  • age deterioration
46
Q

Three most common loads for supply hose lines

A

flat, accordion, and horseshoe

47
Q

What type of hose load is less likely to damage from apparatus vibration during travel?

A

flat load

48
Q

Three most common loads for attack hose lines

A

preconnected flat load, triple-layer, load, minuteman load

49
Q

what are dry barrel hydrants designed for?

A

freezing temperatures

50
Q

What are the most common tools used to tighten or loosen hose couplings?

A

spanner wrench, hydrant wrench, rubber mallet

51
Q

where is the dry-barrels main valve?

A

below the frost line

52
Q

Direct attack

A

applying water or extinguishing agent directly on the fire

53
Q

Indirect attack

A

directing the stream towards the ceiling to cool the room or by banking the stream off the walls

54
Q

Transitional attack

A

exterior attack through ventilation opening to help transition the fire from ventilation limited to fuel limited

55
Q

combination attack

A

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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