Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Deer DC > DC Com. > Flashcards

DC Com. Flashcards

1
Q

Safety precaution for portable electrical power tools?

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

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

A

Pressurized air may leak causing lack of oxygen
Missile hazard

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Dangers of entering an unventilated space filled with CO2

A

Lack of Oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Dangers involving combustion engine below deck

A

Carbon monoxide poisoning
Explosive risk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Long Sleeve shirt/Fire retardant apron/ apron

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Goggles and face shield

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Protective rubber gloves

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Standard stock safety boots

A

Protects from
Falling/rolling objects
Guards against electrical shock

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Ear plugs/protectors

A

Protects from high intensity noise
Gun fire
Aviation noises
Vessels propulsion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Hazardous decibels

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Discuss ORM (organizational risk management)

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Step 1: ORM

A

Identifying hazards
Create an initial list of hazards that may exist

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Step 2: ORM

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Step 3: ORM
Making a risk decision: Decision to accept or not to accept the risks associated with the action
26
Step 4: ORM
Implementing risk control decisions Requires plan to be clearly communicated Accountability is established Necessary support is provided
27
Step 5: ORM
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
28
Discuss proper procedure for opening a pressurized sounding tube?
Slowly back off plug or cap If a rush of air escaped tighten cap/valve immediately
29
Class ABCD/U fire Symbol
A ——-———- Time reported Equip. (A) Class fire engaged Time (/A/). No Class fire Time Slash when done and time done
30
Smoke symbol
S —————————— Time reported/color Equipment used (S) Time crew engaged. Slash when done and time done
31
Heat transfer symbol
HT Same as smoke+fire Slash when done and time done
32
Flooding symbol
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
33
Ruptured System Symbol
R —————————— What system/location Circle when crews engage Top right of circle note boundaries and location
34
Point of weapon impact
Type of weapon impact WPN ————————— When crews enter circle and put time below Slash when done and time done
35
Fragmentation Symbol
STR —————— FRAG Circle when crews are fighting it Slash when done and time done
36
Debris Symbol
STR ——————— Debris Circle when crew fights it Slash when done and time done
37
Symbol for Hole
H ————————- Location/size in FT Circle when crew fights add time/location/size Slash when done and time done
38
Structural Damage Symbol
STR ————————- Type of damage When fixing note on top the type of repair Slash when done and time done
39
Jammed access Symbol
J ————————- Fitting type+number Circle when crew is fighting it, below circle not jam location Slash when done and time done
40
Electrical Power Lost Symbol
E ——————— Location Circle when fixing Slash when done and time done
41
Casualty power symbol
CP ————- Casualty power ordered Circled— casualty power energized Slash when done and time done
42
Casualty Power Lost
CPL ——————. Power lost reported Circled when engaged Slash when done and time done
43
Communication lost symbol
T ——————— Com. Circuit lost When engaged circle and add alternate circuit above Slash when done and time done
44
Mechanical failure Symbol
M —————— Circle when engaged Slash when done and time done
45
Mechanical Damage Symbol
MD ——————— Circle when crew engages Slash when done and time done
46
Hazmat/Toxic spill symbol
TOX ——————— Hazard type To indicate that crews have contained it \ TOX \ ________\ Complete triangle when when fully contained
47
Chemical hazard symbol
CHM ———————— Type of agent Circle when crew engages Slash when done and time done
48
Electrical damage symbol
ED
49
Biological Hazard symbol
BIO Write type of agent Under line if known and location Circle
50
Radiation hazard symbol
NUC Write location and type of agent under line Circle
51
Unexploded ordnance symbol
ORD Circle
52
Primary casualty boundaries Symbol
CB ——- Location where boundaries have been ordered Circle
53
Secondary Casualty boundaries Symbol
CB Circle Write the locations of boundaries that are set
54
Primary Fire Boundaries Symbol
FB Underline write locations of boundaries Circle
55
Secondary fire boundaries Symbol
FB Underline write locations of boundaries Circle
56
Primary Flooding Boundaries Symbol
FLB Underline write locations of boundaries Circle
57
Secondary flooding boundaries Symbol
FLB Underline write locations of boundaries Circle
58
Primary smoke boundaries Symbol
SB Underline write locations of boundaries Circle
59
Secondary smoke boundaries
SB Underline write locations of boundaries Circle
60
Crew Casualty Symbol
P Write name and billet below line Circle
61
Fire protection system Symbol
FPS Underline with type of system and time Circle
62
Firefighting water Symbol
FFW Underline with depth of FT and In Circle
63
Progressive flooding Symbol
PFL Underline with depth of FT and In Circle
64
AFFF What is it
Aqueous Film Forming Foam
65
ATC What is it
Air test cap
66
BDS What is it
Battle dressing stations
67
BHD What is it
Bulkhead
68
CHT What is it
Collection, holding and transfer
69
CHW What is it
Chill water
70
CHWCOV What is it
Chill water cut off valve
71
CMWD What is it
Countermeasure wash down system
72
Compt What is it
Compartment
73
COV What is it
Cut off valve
74
CPS What is it
Collective protection system
75
CW What is it
Circle William
76
DCC What is it
DC Central
77
DCRS What is it
DC repair Station
78
DDV What is it
Deck drain valve
79
DK What is it
Deck
80
DR What is it
Drain
81
EEBD What is it
Emergancy escape breathing device
82
FFE What is it
Firefighting ensemble
83
FMV What is it
Firemain Valve
84
FPL What is it
Fire plug
85
NFTI What is it
Naval firefighter’s thermal imager
86
OVBD What is it
Overboard
87
POTW What is it
Potable water
88
QAWTD What is it
Quick acting watertight door
89
QAWTH What is it
Quick acting watertight hatch
90
QAWTS What is it
Quick acting watertight scuttle
91
SCBA What is it
Self contained breathing apparatus
92
SPLY What is it
Supply
93
STC What is it
Sounding tube cap
94
TIC What is it
Thermal imaging camera
95
TK What is it
Tank
96
WIFCOM What is it
Wire free communications
97
WT What is it
Watertight
98
Explain basic operation of the sound powered telephone
Provides principal means of comms for damage control operations Transforms sound waves into electricity Receiver transforms electricity into sound
99
Explain Ships general announcing system
1MC One way transmitting system hear throughout ship used to pass info to the crew Also pass DC info to ship
100
Explain ships service telephone
General comms as well as DC Comms Installed near repair party lockers
101
Explain Messenger
When electronics fail or not reliable
102
Rules for circuit discipline
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
Three parts of a message
Name of station called Name of station calling State the message
104
Proper way to acknowledge a message
Repeat it back word for word
105
Procedures for temporarily leaving the circuit/relieving the phone talker
Request permission to change phone talkers To change phones: Request permission to change phone
106
Explain procedure for securing from phone talking and sound powered phones
Request permission to secure from that circuit control station Stow headset in stowage box
107
Procedure for checking sound powered phone operations when battle damage is sustained
Conduct a circuit check Control station- “all stations - control. Phone check.”
108
Station communications priority reporting sequence
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
Circuit JA
Captains Battle Circuit
110
Circuit 1JV
Maneuvering and docking circuit
111
Circuit 2JZ
Damage and stability control circuit l
112
Circuit X4OJ
Casualty control comms circuit

Deer DC (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions