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smq > Week 7 > Flashcards

Week 7 Flashcards

1
Q

What should you do if you see a steam leak?

A

Raise alarm immediately
Evacuate the compartment

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2
Q

What does it mean if the bottle groups light is lit up on the SCC?

A

There is a leak in the system

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3
Q

Initial actions after the APD alarms?

A

Adopting emergency stations
Don EBS throughout the submarine
Adopting containment state 1
No eating or drinking in submarine
Returning to safe depth
Stopping ventilation

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4
Q

What are the primary and secondary containment boundaries?

A

Primary - 64 and 74 WT BH
Secondary -
Minimum - 26 and 88 DC BH
Maximum - Pressure hull

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5
Q

How do we secure primary containment?

A

Automatically, by the containment automatic isolation system (CAIS)
Remotely by manoeuvring room watchkeepers using the containment manual initiation switch

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6
Q

What does ALARP stand for?

A

As low as reasonably possible/practicable

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7
Q

Contents of a reactor accident box?

A

Potassium iodate tablets
Radiation monitoring equipment
Documents

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8
Q

Hazards associated with a reactor accident?

A

Personnel contamination onboard
Personnel contamination in vicinity
Airborne contamination external sub
Water contamination external to sub
Long-term contamination issues regarding environment

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9
Q

What is the CL we use for reducing electrical load on the battery whilst the reactor is shutdown?

A

CL57

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10
Q

What does the ME department increase their manning to when an EOP occurs?

A

One full 6 man team on watch
A second full watch

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11
Q

When will the reactor be started up alongside?

A

Prepare for sea
Conduct plant proving

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12
Q

Key differences between a scram alongside and at sea?

A

All scrams will be full scrams
Both TGs will be shutdown
AC shore supply will be reconnected to support AC and DC loads
Reactor restart will be a controlled evolution

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13
Q

How are the crew protected from radiological hazards?

A

Time
Shielding
Distance
ALARP

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14
Q

What is the use of pyrotechnics?

A

Signal to the surface
Simulate a torpedo attack
Mark position of sunken submarine
Indicate the emergency surfacing
Mark position of a sub in exercise
Mark position of man overboard
Send a distress signal
Search and rescue operations

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15
Q

How long does a MOB marker emit smoke and lights flash for?

A

Orange smoke 15-30 minutes
Two lights 90 minutes

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16
Q

Actions for an accidental shearing of shear pins on smoke candles or grenades?

A

Raise the alarm - LVA
Place store in safety capture bag
Engage velcro strap on bag
Stand well back
Don EBS
Brief command
Be prepared to use FF equipment
Dispose of the store

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17
Q

Actions for accidental shearing of pins while loading the SSE?

A

Continue to load the store quickly
Inform command and obtain permission to fire immediately
Failures of stores are to be reported iaw JSP

18
Q

Actions in event of MOB marker accident?

A

Raise the alarm
Submarine to emergency stations
Don EBS in vicinity
If possible, throw overboard
Leave in transportation bag closed
Monitor compartments for CO, CO²

19
Q

Indications of an OTTO fuel spill?

A

Red/Orange liquid
Severe nasal congestion
Headaches
Vomiting
And finally, DEATH 💀

20
Q

Indications and hazards of a JP10 fuel spill?

A

Major hazard is increased risk of fire
Visually clear colourless liquid
Smells like mothballs or kerosene

21
Q

Indications and hazards with a HAP leak?

A

Dries to form a highly explosive crystal
Colourless liquid
Identified using litmus test 1-3pH

22
Q

Which coloured bag are used for which fuel spill?

A

Yellow - OTTO
Blue - HAP
Green - OTTO & HAP
If HAP is present, then bag must contain 1 litre of fresh water

23
Q

Where are manual flood alarms typically located?

A

On bulkheads near entrance/exit of compartments on lower levels

24
Q

Ways of raising the alarm in case of flooding?

A

LVA
999
Integrated communication system (ICS)
Manual flood alarm

25
Q

Possible indications of a flood?

A

Water ingress into the submarine
Change in flow noise
Pressure rise in compartment
Change in depth alongside - draught
Change in attitude
Ship control & manoeuvring indications
Platform management system warnings

26
Q

Information required when communicating with shore authorities of flood?

A

State of the reactor
Location of the flood
Initial actions carried out
Personnel onboard

27
Q

Indications of a hydraulic burst?

A

High pressurised mist or pool of fluid
Loud hissing noise
Smell is not easily identifiable
Slight tangy taste
Indications on PMS of pressure drop

28
Q

Systems that may need to be operated by hand on loss of hydraulics?

A

Hydroplanes and steering
Weapon handling
Masts
Mast shutters
System valves
Blow valves

29
Q

Initial actions to be carried out in the event of a weapon fuel spill?

A

Don EBS
Raise the alarm
Evacuate personnel
Shut the WSC hatch and bulkhead door
Decontaminated personnel are dressed in protective equipment

30
Q

Items contained in the primary coolant spill kit?

A

Tissues
Absorbent tubes
Rubber gloves
Latex gloves
Goggles
Spill signs
Plastic bags
Tape

31
Q

Initial actions to be carried out by the decontamination party in the event of a primary coolant spill?

A

Collect decontamination pack and monitoring equipment
Muster at the decontamination centre
One party member to dress on full wet protective clothing
Inform the DCHQ/SCOOW when the decontamination centre is ready
One party member escorts casualties to the centre
Establish the boundaries of the “No Go” area and arrange sentries

32
Q

Actions that are taken when a pollution spill is detected in harbour?

A

QM/OOD to inform KHM
Initiate local clean-up processes
Raise a report of the incident

33
Q

Equipment failures which cause a loss of main electrical supplies?

A

Turbo generators
MSCs
Diesel generators
Main breakers
Load centre breakers
MCCBs
Shore supply

34
Q

Items that the tiger teams carry?

A

Test equipment
Comms with DCHQ
Tools
Electrical composites
Kill cards

35
Q

Initial actions you would take discovering a hydraulic burst?

A

Raise the alarm
Don EBS
Attempt to contain the mist with dry powder extinguiser

36
Q

Personnel that close up at the FWD local control panel in the event of a control surface failure?

A

FWD staff
Stood down planesman
S&DC maintainer

37
Q

External services/authorities that are to be informed in the event of a flood onboard?

A

KHM
Defence fire service
Local area fire brigade
Adjacent vessels
Diving group
NSRS
Nuclear accident response organisation

38
Q

Initial actions that should be taken by the control room team in the event of a standby collision warning on the surface?

A

If snorting. Stop snorting/ventilation
Carry out EOP for emergency stations
Adopt the brace position

39
Q

Who will raise the alarm if a collision is imminent when surfaced and at periscope depth?

A

Surfaced - OOW
Periscope depth - Optronics operator

40
Q

Remote indications that could indicate a possible flood in the submarine?

A

Bilge high level warning
Float flood alarm
Manual flood alarm

smq (7 decks)

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