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Stcw 95 > Fire Fighting > Flashcards

Fire Fighting Flashcards

(73 cards)

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1
Q

What is class A fire

A

Solids

Woods, paper, cloth, trash, canvas

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2
Q

What is a class B fire

A

Liquids/gasses

Propane, gasoline

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3
Q

What is a class C fire

A

Electrical

Energized electrical equipment

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4
Q

What is a class D fire

A

Combustible Metals

Aluminum, titanium, metals ending in Ium

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5
Q

What is a class K fire

A

Oil fats and vegetable oil
Found only in galleys in deep fryers
(600 degree ignition)

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6
Q

What are the three types of heat transfer

A

Conduction
Convection
Radiation

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7
Q

What is conduction

A

Through another substance like boiling water

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8
Q

What is convection

A

Heat on air currents

Natural or mechanical heat generally rises

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9
Q

Radiation

A

The heat given off directly from the flame

Only moves in straight lines

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10
Q

What are the steps in reporting the fire

A

F - find the fire
I - inform the bridge or appropriate person
R - restrict the fire to the area it is in
E- extinguish the fire and all embers

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11
Q

What does on scene command do

A

Takes overall command of situation
Implements the chosen fire suppression strategy and guides fire team
Ensures the safety of emergency

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12
Q

Fire detection systems

A

Smoke detectors
Heat
Flame

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13
Q

Class A bulkhead does what

A

Prevents passage of flame and smoke for one hour

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14
Q

What does class B material doors do

A

Prevents the passage of flame (flame only) for 30 mi s

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15
Q

Class C barriers have no requirements

A

They are curtains or doors that are not fire proof/resistant

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16
Q

What are watertight doors made for

A

Designated to section of portions of the vessel to:

Contain flooding and prevent fire

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17
Q

Fire prevention

A

Take first action
Nature of fire
What can burn/what is burning
Know your equipment and how to use it

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18
Q

What are the 4 methods of extinguishing a fire

A

Cooling (attacks heat)
Smothering (attacks oxygen)
Chain breaking (uninhibited chain reaction)
Fuel removal (remove agent)

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19
Q

What kind of extinguishers are used for class A

A

Water - large regular red
Dry Chemical - multipurpose has a gage hat is pressurized
Fm200

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20
Q

What are the extinguishers used for class B fires

A 
CO2
Foam
Dry chemical - ordinary (cartridge operated) & multipurpose (has a gage is pressured)
Halon 
FM 200
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21
Q

What extinguishers work on class C fire

A

CO2
Dry chemical - ordinary (cartridge operated) & multipurpose (has a gage is pressurized)
Halon
FM200

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22
Q

What extinguishes class D fires

A

Dry powder ONLY

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23
Q

What extinguishers eliminate class k fires

A 
Dry chemical (multipurpose, has a gage is pressurized)
Wet chemical
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24
Q

Water extinguisher

A

Cools/ steam which expands at 1700 to 1 smothers

Class A

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25
CO2 extinguisher
Smothering agent | Class B & C
26
Foam extinguisher
Smothering | Class B
27
Dry chemical extinguisher
``` Chain breaking agent (2 canisters) - ordinary class B &C cartridge operated (Has gage) - multipurpose class A, B & C and class K ```
28
Dry powder extinguisher
Smothering | Class D only
29
Halon extinguisher
Chain breaking Class B & C They are phasing this out cause it isn't good for the environment
30
FM 200 extinguisher
Replacing halon | Class A, B & C
31
What are the two different kinds of sprinklers
Wet & dry
32
Characteristics of a wet sprinkler
Automatic and water is ready to go Wet automatic system uses fresh water Water always flows
33
Dry manual characteristics
Open a common valve - not ogle No water in system A valve must be turned on for water to flow
34
Name kinds of fixed systems
Dry chemical fixed Wet chemical fixed CO2 flood is large and takes oxygen out of the room
35
High pressure is high fog
Uses water at a high pressure pump or bank of compressed nitrogen at atomized sprays of water directed at fire
36
What does PASS stand for
P - Pull pin/pull the safety wire A - Aim the nozzle/squeeze, test as approaching sweep S - squeeze the handle S - sweep at the base of the fire Also test the fire extinguisher after pulling the pin
37
CO 2 extinguisher parameters
``` Order less, colorless, tasteless gas 15 lbs Stored as liquid discharged as gas Smothering Ground to prevent static discharge Do not grasp horn (frost bite) -110 degrees Causes "cold shock" to electronics Pressurized at 850 dpi Maintain control Hydrostatic ally tested every 5 years 3-8 feet range If the extinguisher weighs less than 10% of the full weight it is out of commission ```
38
What are a couple safety concerns when putting out a fire to be aware of
Never turn your back on fire Keep your back to the exit Keep your back to the wind Extinguishers are "first aid" only
39
What are the two different nozzles for fire hose
Combination and vari
40
What are the 2 sizes of fire hose
1 1/2" and 2 1/2"
41
What is the standard length of a fire hose
50 feet
42
What are the two flow rates for combo hose
1. 5 - 55 GPM @ 100psi | 2. 5 - 106 GPM @ 100psi
43
What are the hose flow rates for variable hose
1. 5 - 95 GPM @ 100psi | 2. 5 - 250 GPM @ 100psi
44
What are the two attack methods for a fire
Attach and indirect
45
What are fire station requirements
``` Fire station # Control valve Nozzle Fire hose - double jacketed rubberlined Spanner wrench - anything else is extra ```
46
What is a spanner wrench used for
To loosen the cup links - only to loosen them
47
What is ventilation used for
Is action taken to release combustion products trapped with Ina vessel and vent them to the atmosphere outside the vessel and replace wi fresh air
48
Negative ventilation does what
Pulls air out of a space
49
What does positive ventilation do
It flows air into a space
50
Hydraulic ventilation
Directing a fire stream fog pattern out any available opening, smoke and gases are pulled out with effective water coverage... Must be %80 to be effective
51
What does SCBA stand for
Self contained breathing apperatis
52
What does IDLH stand for
Immediately dangerous to life and health
53
What is minimum operating pressure for SCBA gear
4000 is he minimum in service pressure
54
What is the full pressure for SCBA
4500 is a full SCBA gear
55
At 1125 the gear will vibrate and a metallic bell will sound, how much time will this allow
3-5 minutes | This is 1/4th full
56
What does EBSS stand for
Emergency breathing survival system
57
What are the two different names of searches
Primary search & secondary search
58
What is flash over
Everything in space reaches ignition temp
59
What is backdraft
Intro of oxygen in a superheated atmosphere causes a violent explosion
60
What do you do immediately no matter how small or large the fire is when you find it
Raise the alarm immediately
61
What are individually dogged
It is a watertight door that is manually opened and closed and are held in place by slip hinges and usually six, eight or sometimes ten locking levers or bolts called dogs
62
Quick-acting watertight
Activated by a central mechanism
63
What are the three things the coast guard requires of a co2 sprinkler system
``` A pre-release alarm A. It may be audible, visual or both B. It must have a minimum of 20 seconds warning A remote, manual release Charts/diagrams of the system ```
64
When co2 is being released what are the steps that need to be taken before it is released
Warn all personnel Shut down ventilation to the area Activate the co2 system (the audible/visible alarm should sound automatically)
65
How long after co2 sprinkler system is set off can you open the compartment
Several hours to several days to make sure that the fire is completely out and to allow time for the area to cool down
66
What is the time frame a compartment can be opened after a co2 sprinkler is set of dependent on
What was burning How much was burning How long did it burn What materials were in the compartment that could be heated
67
What must the oxygen level stay at in the space after a co2 sprinkler fired in order for there to be no flaming combustion
16% or lower the ace must remain tightly sealed and the ventilation must remain secured If the compartment is opened too soon a re-flash may occur
68
Never be in a big hurry to rush into an area that has been flooded with co2 Before entering?
Make sure it is well ventilated and tested before entering without the use of protective reaching apparatus
69
What is halon made up of
Fluorine Chlorine Bromine Iodine It's hazardous
70
What are the safety procedures using fixed system
Ensure that proper authorization has been granted to use the system Only trained personnel are to operate the system A complete crew muster must be taken All crew members must be instructed in the evacuation procedures to be taken when the alarm is activated
71
What do you do with an extinguisher that does not have a label
It should be tagged with what is wrong taken out of service Replaced with an extinguisher with a label
72
Name personal protective clothing
``` Coats & pants Boots Gloves Helmet Eye protection Proximity suit ```
73
What are the three components to fire
Oxygen Heat Fuel

Stcw 95 (2 decks)

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