Dc 301-306 Uss Blue Ridge

Front 1

Describe shoring.

Back 1

Shoring is strengthening a bulkhead or overhead by placing wedged lumber or metal poles in a position to add support to a weakened area.

Front 2

3 types of shoring are:

Back 2

1)H(weakest) - Cross Axial
2)K(med. Strength) - Triangulation
3)I(Strongest & most used) This puts direct pressure on an area. -Direct Compression

Front 3

3 shoring accessories:

Back 3

Shoring accessories
1)Drum mats; used to distribute the pressure to larger areas
2)Plates; used to distribute the pressure to larger areas
3)Strong backs (Lumber used to disburse pressure on an area)

Front 4

What is the max length of shoring?

Back 4

30 X (butt thickness)

Front 5

Describe the Uncorrected Run.

Back 5

Horizontal measurement from the bulkhead to the anchorage point. Everything in-between should be subtracted such as; strong backs, doors, fox box, etc.

Front 6

Describe the rise.

Back 6

Vertical Measurement from the center of the damage to the overhead/deck.

Front 7

Describe class "A" fires.

Back 7

A Class "A" fire involves common combustible materials. Fuel sources within this class include wood and wood-based materials, cloth, paper, rubber, and certain plastics. Smoke color is white.

Front 8

Describe class "B" fires.

Back 8

A Class "B" fire involves flammable or combustible liquids, flammable gases, greases, and similar products. Fuel sources within this class include petroleum products. Smoke color is black.

Front 9

Describe class "C" fires.

Back 9

A Class "C" fire involves energized electrical equipment, conductors, or appliances. Smoke color has a blue tint.

Front 10

Describe class "D" fires.

Back 10

A Class D fire involves combustible metals. Fuel sources within this class include sodium, potassium, magnesium, and titanium. Smoke color is Black.

Front 11

How can you detect a hotspot with the naked eye?

Back 11

Visually indicated by bubbling paint or discolored paint on bulkhead.

Front 12

What does a NFTI show when a hotspot is viewed?

Back 12

Seen as a white spot on the thermal imaging camera.

Front 13

Fire mains 1&2 control what portion of the ship?

Back 13

Control the forward portion of the ship.

Front 14

Fire mains 3&4 control what portion of the ship?

Back 14

Control the aft portion of the ship.

Front 15

Fire main pressure is ___ psi.

Back 15

Fire main pressure is 160psi.

Front 16

Fire mains pump out ___ GPM.

Back 16

Fire mains pump out 1100 GPM.

Front 17

Standard hose is ___ feet long.

Back 17

Standard hose is 50 feet long.

Front 18

Describe 4 hose nozzel positions.

Back 18

1)Solid stream
2)Narrow “V” pattern (most commonly used for fighting fires)
3)Wide “V” pattern (used mostly for protection)
4)Flush (opens up valve to let seashells and debris out)

Front 19

The water flow of nozzels:
___ GPM inside ship
___ GPM outside ship

Back 19

95 GPM inside ship
125 GPM outside ship

Front 20

A 1 ½” hose requires a minimum of _ people on it.

Back 20

A 1 ½” hose requires a minimum of 3 people on it.

Front 21

A 2 ½” hose requires a minimum of _ people on it.

Back 21

A 2 ½” hose requires a minimum of 5 people on it.

Front 22

How do you hold a charged hose when manuvering up and down ladders?

Back 22

Place the hose over your shoulder when maneuvering charged hoses up or down ladders.

Front 23

When is jumper hose rigging used?

Back 23

Jumper hose rigging is done only to bypass a damaged fire main.

Front 24

How do you stop a wild hose?

Back 24

Wild hoses should be stopped by kinking the hose several times around a safe distance from the hose end.

Front 25

CO2 Flooding Systems is designed to _________ fires. Hazmat & Paint lockers have a __ second delay before discharge.

Back 25

CO2 Flooding Systems is designed to suffocate fires. Hazmat & Paint lockers have a 30 second delay before discharge.

Front 26

Describe the use and duration of portable CO2 bottles.

Back 26

-Usually charged with 15lbs of CO2 and last between 40-45 seconds with a range of 2-6 ft.
-Used primarily for fighting Class “C” fires & small “A”&”B” fires.

Front 27

How does halon put out a fire?

Back 27

Works by interfering with the chain reaction to create fire.

Front 28

Halon discharge delay is __ seconds in unmanned spaces & __ seconds in manned spaces.

Back 28

Halon discharge delay is 30 seconds in unmanned spaces & 60 seconds in manned spaces.

Front 29

What action must be taken prior to a halon discharge?

Back 29

Securing of ventilation occurs first prior to Halon discharge.

Front 30

A __ minute soak time is required after halon discharge.

Back 30

A 15 minute soak time is required after halon discharge.

Front 31

Identify 7 spaces equipped with halon systems.

Back 31

1)EDG #1 (emergency diesel generator)
2)EDG #2
3)Engine Rm.
4)Fire Rm.
5)Fwd pump Rm.
6)Aft A/C Rm.
7)SSDG

Front 32

Above ___ degrees Halon breaks down into 2 toxic chemicals called ___ ___ & ___ ___.

Back 32

Above 900 degrees Halon breaks down into 2 toxic chemicals called Hydrogen bromide & Hydrogen Fluoride.

Front 33

Describe AFFF

Back 33

Aqueous Film Forming Foam

Front 34

AFFF mixture is comprised of __% sea water & __% AFFF.

Back 34

AFFF mixture is comprised of 94% sea water & 6% AFFF.

Front 35

AFFF Sprinkler systems:
-5 gallons last for __ seconds of use and produces ___ gal of foam.
-Activate for __ minutes on Out of Control fires.
-Activate for __ seconds if fuel is spilled.
- 3 Locations are:

Back 35

AFFF Sprinkler systems:
-5 gallons last for 60 seconds of use and produces 660 gal of foam.
-Activate for 4 minutes on Out of Control fires.
-Activate for 60 seconds if fuel is spilled.
-Locations are in; Engine rm., Flight deck, SSDG engine rm.

Front 36

2 AFFF sprinkler locations on the flight deck are:

Back 36

Front of miser tower & CO’s tower

Front 37

Portable AFFF:
-Extinguishers normally contain __ Gal. of mixture.
-PSI of ___
-Range is from __ft & higher.
-Used for overhauling class “_” fires.

Back 37

Portable AFFF:
-Extinguishers normally contain 2 ½ Gal. of mixture.
-PSI of 100
-Range is from 15ft & higher.
-Used for overhauling class “B” fires.

Front 38

Decode APC.

Back 38

Aqueous Potassium Chloride

Front 39

-Where is APC Connected?
-6 APC locations.

Back 39

-Connected to the range guards in the kitchens.
APC locations are: Galley, Chiefs Galley, Officers Galley, CO’s mess, Admirals mess, & the Bake shop.

Front 40

What 3 ways set off the APC system?

Back 40

1)Heat links that melt at 360 deg
2)Manually pulling the pin & lowering the handle at the APC station
3)Manually pulling on the cable in the range hood.

Front 41

Decode PKP.

Back 41

Potassium Bicarbonate

Front 42

PKP:
-Comes in __lb & __lb canisters.
-18lb cans have a range of __ ft.
-27lb cans have a range of __ ft.
-Used on class “_” fires.

Back 42

PKP:
-Comes in 18lb & 27 lb canisters.
-18lb cans have a range of 19 ft.
-27lb cans have a range of 21 ft.
-Used on class “B” fires.

Front 43

The bilge is a ___ gal tank.

Back 43

The bilge is a 350 gal tank.

Front 44

2 devices used for de-smoking.

Back 44

1) Ramfan
2) Boxfan

Front 45

Ramfan:
Powered by ___ ___ via a __ fire hose. For _____ use only. Capable of moving ____cft per min. Ducting known as “___ ___” attach to fan and route to area of needed ventilation.

Back 45

Ramfan:
Powered by water pressure via a 1 ½” fire hose. For outdoor use only. Capable of moving 2000cft per min. Ducting known as “Elephant Trunks” attach to fan and route to area of needed ventilation.

Front 46

Boxfan:
Large square fan used ___ to detour smoke out of the ship. Capable of moving ___cft per min.

Back 46

Boxfan:
Large square fan used indoors to detour smoke out of the ship. Capable of moving 3200cft per min.

Front 47

4 devices used to access a space to de-smoke.

Back 47

1)Crowbar
2)Sledge hammer
3)Halligan bar (also called a Halligan tool)
4)PHARS (Portable Hydraulic Access Rescue System) "Jaws of life"

Hint 47

PHeCS

Front 48

Describe NFTI:
-Powered by __ AA's last __-__ minutes.
-Two modes of operation ___ and ____ ___ (fan) use while moving, or sweeping motion.
____ (stop) used to fight fires.
-There are _ LED batteries indicator lights.

Back 48

Naval Fire-fighter’s Thermal Imager
-Powered by 10 AA's last 60-90 minutes.
-Two modes of operation Pan and Chop Pan (fan) use while moving, or sweeping motion.
Chop (stop) used to fight fires.
-There are 5 LED batteries indicator lights.

Front 49

-What 2 locations does AFFF#1 Service?
-What 2 locations does AFFF#2 Service?

Back 49

AFFF #1
-FIRE ROOM
-ENGINE ROOM
AFFF #2
-HELO DECK
-V-STOW AND ELEVATOR

Front 50

What is actuation?

Back 50

The starting or operating of equipment by operating an electrical switch or button, or by operation of mechanical device.

Hint 50

"Flicking a switch"

Front 51

What is the AFFF 81m Check valve for?

Back 51

Prevents accidental activation due to firemain loss.

Front 52

What is the AFFF Powercheck valve?

Back 52

A diaphragm operated valve between the afff tank and the firemain. It prevents afff concentrate from mixing with firemain until afff foam is required. It is held closed by spring.

Front 53

Shoring is stored in ___ to ___ ft lengths.

Back 53

Shoring is stored in 16 to 18 ft lengths.

Front 54

Two sizes available for steel shores

Back 54

A. 3 feet to a maximum of 5 feet
(Model 3-5)
B. 6 feet to a maximum of 11 feet
(Model 6-11)

Front 55

Advantages of Steel Shoring:

Back 55

1. Fire proof
2. Stronger than wood
3. Minimum stowage space required
4. Minimum time lost while constructing
5. Will not slip or slide when welded
6. Tighter than wood
7. No wedges required when welding

Front 56

Disadvantage of Steel Shoring:

Back 56

1. During welding of steel shores,
Heat and sparks are produced

Front 57

Shole:

Back 57

A shole is a flat plate which may be placed under the end of a shore to distribute weight or pressure.

Front 58

Strongback:

Back 58

A bar or beam of wood or metal, often shorter than a shore, used to distribute weight or pressure, or serves as an anchor for a patch over a hole.

Front 59

What is the difference between a shole and a strongback?

Back 59

A shole is flat, a strongback is beam shaped

Front 60

WHAT ARE THE THREE PARTS TO A CARPENTERS SQUARE?

Back 60

HEEL, TONGUE AND BODY