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Stcw 95 > Fire Fighting > Flashcards

Fire Fighting Flashcards

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
Q

CO2 extinguisher

A

Smothering agent

Class B & C

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26
Q

Foam extinguisher

A

Smothering

Class B

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27
Q

Dry chemical extinguisher

A 
Chain breaking agent
(2 canisters) - ordinary class B &C cartridge operated
(Has gage) - multipurpose class A, B & C and class K
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28
Q

Dry powder extinguisher

A

Smothering

Class D only

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29
Q

Halon extinguisher

A

Chain breaking
Class B & C

They are phasing this out cause it isn’t good for the environment

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30
Q

FM 200 extinguisher

A

Replacing halon

Class A, B & C

31
Q

What are the two different kinds of sprinklers

A

Wet & dry

32
Q

Characteristics of a wet sprinkler

A

Automatic and water is ready to go
Wet automatic system uses fresh water
Water always flows

33
Q

Dry manual characteristics

A

Open a common valve - not ogle
No water in system
A valve must be turned on for water to flow

34
Q

Name kinds of fixed systems

A

Dry chemical fixed
Wet chemical fixed
CO2 flood is large and takes oxygen out of the room

35
Q

High pressure is high fog

A

Uses water at a high pressure pump or bank of compressed nitrogen at atomized sprays of water directed at fire

36
Q

What does PASS stand for

A

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
Q

CO 2 extinguisher parameters

A 
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
Q

What are a couple safety concerns when putting out a fire to be aware of

A

Never turn your back on fire
Keep your back to the exit
Keep your back to the wind
Extinguishers are “first aid” only

39
Q

What are the two different nozzles for fire hose

A

Combination and vari

40
Q

What are the 2 sizes of fire hose

A

1 1/2” and 2 1/2”

41
Q

What is the standard length of a fire hose

A

50 feet

42
Q

What are the two flow rates for combo hose

A
  1. 5 - 55 GPM @ 100psi

2. 5 - 106 GPM @ 100psi

43
Q

What are the hose flow rates for variable hose

A
  1. 5 - 95 GPM @ 100psi

2. 5 - 250 GPM @ 100psi

44
Q

What are the two attack methods for a fire

A

Attach and indirect

45
Q

What are fire station requirements

A 
Fire station #
Control valve
Nozzle
Fire hose - double jacketed rubberlined
Spanner wrench 
- anything else is extra
46
Q

What is a spanner wrench used for

A

To loosen the cup links - only to loosen them

47
Q

What is ventilation used for

A

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
Q

Negative ventilation does what

A

Pulls air out of a space

49
Q

What does positive ventilation do

A

It flows air into a space

50
Q

Hydraulic ventilation

A

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
Q

What does SCBA stand for

A

Self contained breathing apperatis

52
Q

What does IDLH stand for

A

Immediately dangerous to life and health

53
Q

What is minimum operating pressure for SCBA gear

A

4000 is he minimum in service pressure

54
Q

What is the full pressure for SCBA

A

4500 is a full SCBA gear

55
Q

At 1125 the gear will vibrate and a metallic bell will sound, how much time will this allow

A

3-5 minutes

This is 1/4th full

56
Q

What does EBSS stand for

A

Emergency breathing survival system

57
Q

What are the two different names of searches

A

Primary search & secondary search

58
Q

What is flash over

A

Everything in space reaches ignition temp

59
Q

What is backdraft

A

Intro of oxygen in a superheated atmosphere causes a violent explosion

60
Q

What do you do immediately no matter how small or large the fire is when you find it

A

Raise the alarm immediately

61
Q

What are individually dogged

A

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
Q

Quick-acting watertight

A

Activated by a central mechanism

63
Q

What are the three things the coast guard requires of a co2 sprinkler system

A 
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
Q

When co2 is being released what are the steps that need to be taken before it is released

A

Warn all personnel
Shut down ventilation to the area
Activate the co2 system (the audible/visible alarm should sound automatically)

65
Q

How long after co2 sprinkler system is set off can you open the compartment

A

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
Q

What is the time frame a compartment can be opened after a co2 sprinkler is set of dependent on

A

What was burning
How much was burning
How long did it burn
What materials were in the compartment that could be heated

67
Q

What must the oxygen level stay at in the space after a co2 sprinkler fired in order for there to be no flaming combustion

A

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
Q

Never be in a big hurry to rush into an area that has been flooded with co2

Before entering?

A

Make sure it is well ventilated and tested before entering without the use of protective reaching apparatus

69
Q

What is halon made up of

A

Fluorine
Chlorine
Bromine
Iodine

It’s hazardous

70
Q

What are the safety procedures using fixed system

A

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
Q

What do you do with an extinguisher that does not have a label

A

It should be tagged with what is wrong
taken out of service
Replaced with an extinguisher with a label

72
Q

Name personal protective clothing

A 
Coats & pants
Boots
Gloves
Helmet
Eye protection
Proximity suit
73
Q

What are the three components to fire

A

Oxygen
Heat
Fuel

Stcw 95 (2 decks)

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