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Week 1 > Given questions > Flashcards

Given questions Flashcards

1
Q

What components are used between trim tanks and to adjust submarines trim

A

Pumps

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2
Q

How do we alter the weight and therefore buoyancy of a submarine

A

Controlled flooding or pumping out compensating tanks

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3
Q

3 functions of HP Ballast

A
  • Discharge contents of the compensating tanks
  • Provide a backup to the HP bilge pump
  • Run in parrael to HP bilge for rapid deballasting
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4
Q

What happens if priming system doesn’t operate effectively?

A

Pumps can get damaged

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5
Q

3 functions of the bilge system

A
  • Collect water from bilge areas to maintain clean and dry conditions
  • Discharge overboard
  • Remove oil from tanks serviced by the system
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6
Q

State the location of the following priming plants
HP bilge
HP ballast
MP ballast

A

HP bilge priming- Engine room
HP ballast priminy- DG room
MP ballast priming- Electrical machinary space

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7
Q

Who operates submarines ballast system at sea?

A

SCCO operator

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8
Q

List 3 positions LP bilge can be operated in

A
  • Electrical Wing Panel
  • PMS
  • Locally
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9
Q

3 services that require pressurised nitrogen gas

A
  • Fire fighting systems
  • Hydraulic accumulators
  • SG blanking and sparging
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10
Q

What is used to increase the pressure of air in a system?

A

Compressor

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11
Q

Why is any air or gas escaping aft of 64 WTB considered to be a gas burst?

A

Due to the large quantities of stored nitrogen and systems that use nitrogen in these compartments

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12
Q

What’s the normal operating pressure of the HP air system?

A

276 bar

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13
Q

List the (A) Alternative and (B) Emergency modes of operation of the HP air system

A

A- Local hydel

B- Emergency bottle group, x connection valve (captains valve)

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14
Q

List the 3 locations of the HP and emergency blow can be operated from

A
  • SCC
  • FWD escape platform
  • Aft escape platform
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15
Q

Where are the 4 main AV&B reducing stations?

A
  • Ships office
  • 1 Deck stbd side aft
  • Manouvering room flat
  • Thrust block flat stbd
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16
Q

What alternative systems instead of nitrogen can be used to operate VOGS

A

HP air

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17
Q

Operating pressure of AV&B?

A

28 bar

18
Q

List 3 items of hydraulic controlled moving machinary with the potential to cause injury

A
  • Valves
  • Masts
  • Bulkhead doors
19
Q

What’s the function of root valves?

A

To isolate the distribution manifold

20
Q

3 advantages of using hydraulics

A
  • Relatively quiet
  • Compact
  • Simple and reliable
    + Easy to extend through hull
21
Q

How many pumps are fitted on the main hydraulic plant?

A

1

22
Q

6 services fed from main hydraulic

A
  • Trim valves
  • Ballast valves
  • Bilge system valves
  • Containment valves
  • Compactor
  • Bottle group GIV
23
Q

3 advantages of using remote control fixed firefighting system

A
  • Less risk to personel
  • Less manpower intensive
  • Allow immediate operation
24
Q

How can we reduce the risk of electric shock when using fixed firefighting?

A
  • Electrical isolation a compartment
25
Q

How many days of food is traditionally stored on board?

A

90 days, 75+15 emergency

26
Q

3 precautions when storing ship

A
  • Follow proper manual handlimg
  • Fridge drills
  • Freezer drills
  • OOd aware of hatch openings
  • Proper risk assessment
27
Q

What position can the fire detection system portable repeater be operated from from at sea and in harbour?

A
  • Sea is in DCHQ

- Harbour QM position

28
Q

2 functions of pyro lockers

A
  • Safe stowage
  • Secure stowage
  • Allows flooding in the event of fire
29
Q

List the 2 locations the AFT pryro locker flood can be operated from

A
  • AFT escape platform

- Manouvering room flat

30
Q

What tank is used to flood the FWD wsc pyro locker?

A
  • WSC fresh water spray tank
31
Q

List 4 of the major compartments which make up dry riser system

A
  • Pressurised water tank
  • Reducing valve
  • Isolating valves
  • Spray nozzle
32
Q

List 6 areas covered by AFFF system

A
  • DG room
  • Upper level engine room port side
  • Upper level engine room stbd side
  • Lub oil module
  • Bilges
  • Naval store
33
Q

What is the function of centre fed hose reels?

A

Allow for ships firefighting team to fight anywhere

34
Q

Who operates water mist firefighting system from remote?

A

EPO

35
Q

4 major components of Centre fed hose reel

A
  • Hose
  • Spray jet nozzle
  • Hose reel
  • Isolating valve
  • Everyway hose guide
36
Q

Function of SWS 5680 as part of the pyro flood system

A

Master flood valve for FWD pyrotechnics

37
Q

Where is the AFFF system normally operated from?

A

Electrical panel manouvering room

38
Q

Who’s responsible for control of hatches at sea?

A

Officer of the watch

39
Q

5 locations of PMS control

A
  • SCC
  • CCC
  • CCP
  • SPC
  • SFS
40
Q

When is personal dosimetry to be worn?

A

At all times

41
Q

How often should QM check berthing ropes?

A

Hourly, or more regular at discretion of OOD

42
Q

Role of on watch FWD staff when at sea

A

Operate and maintain all ship systems

Week 1 (14 decks)

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