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OOW Unlimted > Fire Fighting > Flashcards

Fire Fighting Flashcards

1
Q

What are the 3 elements that form combustion?

A
  1. Heat
  2. Oxygen
  3. Fuel
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2
Q

What methods can be used to remove an element from the fire triangle?

A
  1. Starvation: Remove fuel source
  2. Boundary cooling: Stop temp rising, keep steel wet
  3. smothering: Reduce oxygen below 9%
  4. Cooling: Saturate with water to lower fuel temp below ignition temp
  5. Boundary starvation: Remove fuel from the surroundings
  6. Flame inhibition: Breaks the chain reaction between elements
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3
Q

How many classes of fire is there?

A

SIX - A, B, C, D, F, & Electrical

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4
Q

What is fire class A?

A
  • Solids
  • Examples: wood, cotton, paper
  • Preffered Extinguishing Method: Cooling
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5
Q

What is fire class B?

A
  • Flammable liquids and liquefiable solids
  • Examples: Petrol and Paraffin, Grease and Shoe polish
  • Preffered Extinguishing Method: Smothering
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6
Q

What is fire class C?

A
  • Flammable gases
  • Examples: Hydrogen and Methane
  • Preffered Extinguishing Method: Starvation
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7
Q

What is fire class D?

A
  • Flammable metals
  • Examples: Magnesium and Aluminium
  • Preffered Extinguishing Method: Smothering
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8
Q

What is fire class F?

A
  • Fats and cooking oils
  • Example: Any cooking oils, grease, & fats
  • Preffered Extinguishing Method: Smothering
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9
Q

Water extinguishers are ideal for what class of fire?

A

Class A - Cooling

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10
Q

C02 Extinguishers are ideal for what class of fire?

A

Class B & Electrical - Smothering

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11
Q

Foam Extinguishers are ideal for what class of fire?

A

Class B - Smothering

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12
Q

Dry Powder Extinguishers are ideal for what class of fire?

A

Class B, C, & Electrical- Flame Inhibition

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13
Q

Wet Chemical Extinguishers are ideal for what class of fire?

A

Class A and F - Cooling & smothering

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14
Q

What are the fire hose length requirements?

A
  • Minimum 10m length
  • Max 15m in machinery spaces
  • Max 20m in other spaces and open decks
  • Max 25m on open decks for vessels with a breadth above 30m
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15
Q

If a vessel over 500GT wants to take water from another ship or shore side what will it require?

A

International Ship/Shore connector

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16
Q

What can you tell me about passenger vessel fire pump requirements?

A
  • +4000GT minimum 3 pumps
  • -4000GT minimum 2 pumps
  • Fire in any one compartment cannot cause loss of water in another
17
Q

What can you tell me about cargo vessel fire pump requirements?

A
  • +1000GT minimum 2 independantly powered pumps
  • -1000GT as per flag state requirement (usually 2)
  • On tankers isolation valves fitted every 40m
18
Q

What are some high risk spaces fitted with fixed C02 fire fighting systems?

A
  • Machinery spaces
  • Paint locker
  • Cargo spaces
19
Q

What information is contained in a fire plan?

A
  • Position of control stations
  • The ships fire-resistant bulkheads
  • Particulars of the fire alram
  • Fire detection systems
  • Sprinkler installations
  • Fixed and portable firefighting equipment
  • Details of ventilation systems
  • Control switches for fuel pumps, emergency power
  • Escape routes
20
Q

Where can Fire Control Plans be found onboard?

A
  1. Main muster station
  2. Navigation bridge
  3. Water tight housing outside deckhouse for shore side fire fighters
21
Q

BA Set Pre-donning Checks

A
  1. Visual Inspection (Damage, Connections, Torch)
  2. Demand valve reset before opening cylinder
  3. Ensure cylinder is at minimum 80% capacity
  4. Don mask - Inhale
  5. Hold breath - Listen for audible leaks
  6. Reset demand valve button - remove mask
  7. Close clylinder - check for 10 bar drop in 1 minute
  8. Vent air from the system listen for low pressure warning whistle
  9. Complete the test records
22
Q

EEBD Requirements

A
  • Minimum 10 minutes of air
  • Clear instructions printed showing how to don
  • Min 2 EEBDs in accomodation spaces
23
Q

Actions upon discovering a fire

A
  1. Raise the alarm (Shout for help, radio, call points)
  2. Provide the bridge with information (Location, nature, missing persons)
  3. Attempt to control the emergency (Use extinguishers, close doors)
  4. Report to muster station
24
Q

Actions upon hearing the fire alarm?

A
  1. Report to the muster station
  2. If on the bridge await personal to arrive as designated bridge muster
  3. Follow company policy (SMS procedures)
25
Q

Activation of fixed C02 systems?

A
  1. Sound the alarm
  2. Evacuate the area ensure everyone is accounted for
  3. Close ventilation and seal the space
  4. Activate the system from control cabinet (Chief engineer only on last vessel)
  5. Monitor and maintain comms with bridge
  6. Report the incident
26
Q

What are some monthly FFE maintainence inspections?

A
  • Fire fighting outfits/equipment
  • Fire Hydrants
  • Fire hoses
  • Nozzles

OOW Unlimted (20 decks)

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