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DC Com. Flashcards

1
Q

Safety precaution for portable electrical power tools?

A

Lithium Battery Explosion
Verify it is not OOC (out of commission

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2
Q

Safety precautions with the SCBA (Self-contained breathing apparatus)

A

Pressurized air may leak causing lack of oxygen
Missile hazard

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3
Q

Dangers of entering an unventilated space filled with CO2

A

Lack of Oxygen

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4
Q

Proper procedures for opening a watertight door when flooding is suspected

A

Back off sounding tube slowly and look for leaks/stream of water
Tap with hammer and listen for differences in pitch
Slack off the dogs on the hinge side of the door
Slightly loosen quick acting hatch while maintaining pressure on dogs
Look for air blowing out or water

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5
Q

Why would you not use a straight stream of water for a class B or C fire

A

Chemical fire will spread it, electrical fires can charge the water

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6
Q

Safety procedures for handling an electronic submersible pump?

A

Check wires for frays
Always lower my line not chord
Have an electrician check it before use
No personnel can be in space when pump is on
Secure discharge hose
It is cooled by liquid ran through it, verify it is not sucking oil or fuel
Person energizing shall wear electrical safety boots/gloves and remove all metal
Place switch on rubber mat
Verify discharge hose is pumping overboard and nothing is blocking strainers

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7
Q

Precautions for compressed gas cylinder

A

Missile hazard
No O2, Acetylene or other fuel gas cylinders into a confined space
Never store flammable gases with oxidizing gasses
Do not lift by valve protection caps
Always store valve up
Store acetylene vertical for a minimum of 2 hours prior to use
Do not use bars under valves or valve protection caps to pry cylinder loose

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8
Q

Dangers involving combustion engine below deck

A

Carbon monoxide poisoning
Explosive risk

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9
Q

Discuss operation of PECU (portable external cutting unit)

A

Slice torch used for rescue
Toxic fumes, fire hazard, O2 cylinder (grease or oil may cause explosion)
Wear gloves and other ppe so no shock
Do not use near combustible material
Test for gasses around lines
Check frayed lines

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10
Q

Safety precautions for thermal imager

A

Do not put yourself somewhere where you need it to get out
Keep replacement batteries
Do not use until trained
Can’t see through glass

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11
Q

What does the thermal imager do?

A

See through smoke and darkness
Detect and displays temp
Located seat and spread of fires
Takes and stores pictures

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12
Q

Long Sleeve shirt/Fire retardant apron/ apron

A

Some degree of fire protection
Used for welding, galley and machinery spaces

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13
Q

Goggles and face shield

A

Eye protection
Used for
Warfighting
Cutting
Welding
Grinding
Sanding
Milling
Chipping
Grinding

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14
Q

Protective rubber gloves

A

Protects from cuts, sharp objects, cold, heat, electrical shock

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15
Q

Standard stock safety boots

A

Protects from
Falling/rolling objects
Guards against electrical shock

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16
Q

Ear plugs/protectors

A

Protects from high intensity noise
Gun fire
Aviation noises
Vessels propulsion

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17
Q

Hazardous decibels

A

84 dBA or peak at 104dBA
If combo is over 104dBA must use plugs and muffs

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18
Q

Life jackets/preservers

A

Required to be worn in open sea ops
Exposed battle stations
Working over the side
Topside in heavy weather
During replenishment at sea
Small boats
Other ops carrying over the side

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19
Q

Reasons why you ground the Ramfan

A

Grounded to discharge static electricity
Used to de-smoke
Ran by water and verify everything is hooked up

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20
Q

Hazards/impact associated with leaving Sound Powered phone jackbox cap off?

A

Failure to secure cap will result in
Dampness
Dirt
Foreign matter
This will degrade ship wide comms transmitted or received

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21
Q

Safety precautions involving operation of equipment without proper machine guards?

A

Verify they are in place prior to operation
Not placing guards on rotary, shafts or moving parts can result in injury or death

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22
Q

Discuss ORM (organizational risk management)

A

Reduce or offset risks systematically identify hazards and assessing and controlling associated risks

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23
Q

Step 1: ORM

A

Identifying hazards
Create an initial list of hazards that may exist

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24
Q

Step 2: ORM

A

Assessing hazards
Determine the associated degree of risk and prioritize list of hazards

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25
Q

Step 3: ORM

A

Making a risk decision:
Decision to accept or not to accept the risks associated with the action

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26
Q

Step 4: ORM

A

Implementing risk control decisions
Requires plan to be clearly communicated
Accountability is established
Necessary support is provided

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27
Q

Step 5: ORM

A

Supervising effectiveness
Monitoring the effectiveness of risk controls
Determining the need for further assessment for all or a portion of the mission
Task due to unanticipated change

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28
Q

Discuss proper procedure for opening a pressurized sounding tube?

A

Slowly back off plug or cap
If a rush of air escaped tighten cap/valve immediately

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29
Q

Class ABCD/U fire Symbol

A

A
——-———-
Time reported

Equip.
(A) Class fire engaged
Time

(/A/). No Class fire
Time

Slash when done and time done

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30
Q

Smoke symbol

A

S
——————————
Time reported/color

Equipment used
(S)
Time crew engaged.

Slash when done and time done

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31
Q

Heat transfer symbol

A

HT
Same as smoke+fire

Slash when done and time done

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32
Q

Flooding symbol

A

FL. ~
———. ~
————-
Water in depth of feet or inches
On right add arrows up or down for increase/decrease
Write equipment on top of circle

Slash when done and time done

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33
Q

Ruptured System Symbol

A

R
——————————
What system/location

Circle when crews engage
Top right of circle note boundaries and location

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34
Q

Point of weapon impact

A

Type of weapon impact
WPN
—————————

When crews enter circle and put time below
Slash when done and time done

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35
Q

Fragmentation Symbol

A

STR
——————
FRAG

Circle when crews are fighting it

Slash when done and time done

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36
Q

Debris Symbol

A

STR
———————
Debris

Circle when crew fights it

Slash when done and time done

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37
Q

Symbol for Hole

A

H
————————-
Location/size in FT

Circle when crew fights add time/location/size

Slash when done and time done

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38
Q

Structural Damage Symbol

A

STR
————————-
Type of damage

When fixing note on top the type of repair

Slash when done and time done

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39
Q

Jammed access Symbol

A

J
————————-
Fitting type+number

Circle when crew is fighting it, below circle not jam location

Slash when done and time done

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40
Q

Electrical Power Lost Symbol

A

E
———————
Location

Circle when fixing

Slash when done and time done

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41
Q

Casualty power symbol

A

CP
————- Casualty power ordered

Circled— casualty power energized

Slash when done and time done

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42
Q

Casualty Power Lost

A

CPL
——————. Power lost reported

Circled when engaged

Slash when done and time done

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43
Q

Communication lost symbol

A

T
———————
Com. Circuit lost

When engaged circle and add alternate circuit above

Slash when done and time done

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44
Q

Mechanical failure Symbol

A

M
——————

Circle when engaged

Slash when done and time done

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45
Q

Mechanical Damage Symbol

A

MD
———————

Circle when crew engages

Slash when done and time done

46
Q

Hazmat/Toxic spill symbol

A

TOX
———————
Hazard type

To indicate that crews have contained it

                               \
                       TOX   \
                     \_\_\_\_\_\_\_\_\

Complete triangle when when fully contained

47
Q

Chemical hazard symbol

A

CHM
————————
Type of agent

Circle when crew engages

Slash when done and time done

48
Q

Electrical damage symbol

49
Q

Biological Hazard symbol

A

BIO
Write type of agent Under line if known and location
Circle

50
Q

Radiation hazard symbol

A

NUC
Write location and type of agent under line
Circle

51
Q

Unexploded ordnance symbol

52
Q

Primary casualty boundaries
Symbol

A

CB
——-
Location where boundaries have been ordered
Circle

53
Q

Secondary Casualty boundaries
Symbol

A

CB
Circle
Write the locations of boundaries that are set

54
Q

Primary Fire Boundaries
Symbol

A

FB
Underline write locations of boundaries
Circle

55
Q

Secondary fire boundaries
Symbol

A

FB
Underline write locations of boundaries
Circle

56
Q

Primary Flooding Boundaries
Symbol

A

FLB
Underline write locations of boundaries
Circle

57
Q

Secondary flooding boundaries
Symbol

A

FLB
Underline write locations of boundaries
Circle

58
Q

Primary smoke boundaries
Symbol

A

SB
Underline write locations of boundaries
Circle

59
Q

Secondary smoke boundaries

A

SB
Underline write locations of boundaries
Circle

60
Q

Crew Casualty
Symbol

A

P
Write name and billet below line
Circle

61
Q

Fire protection system
Symbol

A

FPS
Underline with type of system and time
Circle

62
Q

Firefighting water
Symbol

A

FFW
Underline with depth of FT and In
Circle

63
Q

Progressive flooding
Symbol

A

PFL
Underline with depth of FT and In
Circle

64
Q

AFFF
What is it

A

Aqueous Film Forming Foam

65
Q

ATC
What is it

A

Air test cap

66
Q

BDS
What is it

A

Battle dressing stations

67
Q

BHD
What is it

68
Q

CHT

What is it

A

Collection, holding and transfer

69
Q

CHW
What is it

A

Chill water

70
Q

CHWCOV
What is it

A

Chill water cut off valve

71
Q

CMWD
What is it

A

Countermeasure wash down system

72
Q

Compt
What is it

A

Compartment

73
Q

COV
What is it

A

Cut off valve

74
Q

CPS
What is it

A

Collective protection system

75
Q

CW
What is it

A

Circle William

76
Q

DCC
What is it

A

DC Central

77
Q

DCRS
What is it

A

DC repair Station

78
Q

DDV
What is it

A

Deck drain valve

79
Q

DK
What is it

80
Q

DR
What is it

81
Q

EEBD
What is it

A

Emergancy escape breathing device

82
Q

FFE
What is it

A

Firefighting ensemble

83
Q

FMV
What is it

A

Firemain Valve

84
Q

FPL
What is it

85
Q

NFTI
What is it

A

Naval firefighter’s thermal imager

86
Q

OVBD
What is it

87
Q

POTW
What is it

A

Potable water

88
Q

QAWTD
What is it

A

Quick acting watertight door

89
Q

QAWTH
What is it

A

Quick acting watertight hatch

90
Q

QAWTS
What is it

A

Quick acting watertight scuttle

91
Q

SCBA
What is it

A

Self contained breathing apparatus

92
Q

SPLY
What is it

93
Q

STC
What is it

A

Sounding tube cap

94
Q

TIC
What is it

A

Thermal imaging camera

95
Q

TK
What is it

96
Q

WIFCOM
What is it

A

Wire free communications

97
Q

WT
What is it

A

Watertight

98
Q

Explain basic operation of the sound powered telephone

A

Provides principal means of comms for damage control operations
Transforms sound waves into electricity
Receiver transforms electricity into sound

99
Q

Explain Ships general announcing system

A

1MC
One way transmitting system hear throughout ship used to pass info to the crew
Also pass DC info to ship

100
Q

Explain ships service telephone

A

General comms as well as DC Comms
Installed near repair party lockers

101
Q

Explain Messenger

A

When electronics fail or not reliable

102
Q

Rules for circuit discipline

A

Transmit official messages only
Depress button only when transmitting
Use only standard words and phrases
No slang or profanity
Use Nautical terms
Never interrupt unless Emergancy
Say silence on the line
Be professional

103
Q

Three parts of a message

A

Name of station called
Name of station calling
State the message

104
Q

Proper way to acknowledge a message

A

Repeat it back word for word

105
Q

Procedures for temporarily leaving the circuit/relieving the phone talker

A

Request permission to change phone talkers
To change phones:
Request permission to change phone

106
Q

Explain procedure for securing from phone talking and sound powered phones

A

Request permission to secure from that circuit control station
Stow headset in stowage box

107
Q

Procedure for checking sound powered phone operations when battle damage is sustained

A

Conduct a circuit check
Control station- “all stations - control. Phone check.”

108
Q

Station communications priority reporting sequence

A
  1. Investigators
  2. On-Scene Leaders
  3. DCRS/Repair lockers
  4. DCC (large cutters only)
  5. Bridge
  6. Engine room
  7. CIC
  8. BDS
109
Q

Circuit JA

A

Captains Battle Circuit

110
Q

Circuit 1JV

A

Maneuvering and docking circuit

111
Q

Circuit 2JZ

A

Damage and stability control circuit l

112
Q

Circuit X4OJ

A

Casualty control comms circuit

Deer DC (2 decks)

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