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A22/03 > Week 3 > Flashcards

Week 3 Flashcards

1
Q

Function of the trim system?

A

Adjust pitch and Heel
Supply sea water sanitary tank
Provide emergency cooling supply

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2
Q

Trim system associated tanks?

A

FWD trim tank
AFT trim tank
TOT
WRT

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3
Q

What does the trim pump do ? And how is it operated?

A

Move water from one location to another to change to required trim
Remotely or locally

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4
Q

What is a diverted valve?

A

It’s a valve that controls direction of flow in a single direction

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5
Q

The function of valves?

And the emergency operation of a valve?

A

To allow opening/shutting a pathway for fluids to travel in a system
To have a hydraulic accumulator facility

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6
Q

Function of the the ballast system ?

A

Adjust subs bodily weight
Used for fire fighting ops
Provide a rapid deballast

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7
Q

What two-speed units does the MP Ballast pump have?

A

Fast- ballasting operations

Slow-hover and trimming operations

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8
Q

Function of ‘hover’?

A

For slow speed depth keeping

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9
Q

What is the main international convection covering prevention of pollution of the marine environment called ?

A

MARPOL 73/78

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10
Q

What tanks are in the bilge system ?

A 
Clean bilge tank
Dirty bilge tank
Contaminated oil tank
No active drain tank 
Precipitator drain tank
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11
Q

Hazards associated with the systems ?

A

Flooding
Internal leak
Contaminants

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12
Q

Function of astute MP Ballast system?

A

Adjust subs buoyancy using ‘M’ comp tanks
Uses MP pump as trim pump
Supplies sea water for fire fighting

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13
Q

Function of Astute HP Ballast system

A

Adjust subs buoyancy using ‘O’ comp tanks
Back-up HP bilge system
Pump water overboard from flooded compartments

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14
Q

Function of astute LP Bilge system?

A

Collect water from bilge to maintain clean and dry conditions
Remove oil from dirty water
Discharge ashore

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15
Q

Function of astute HP bilge system ?

A

Discharge overboard
Pumper water overboard from flooded compartments
Provide back-up for HP ballast pump

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16
Q

System code for HP and LP Bilge system?

A

BS

17
Q

System code for trim and ballast system ?

A

WS

18
Q

Key components of ballast system ?

A 
Compressing tanks
HP ballast pump 
MP ballast pump
Ballast hull valves
Hydraulic control valves
19
Q

Where are the ‘M’ and ‘O’ tanks ?

A

‘M’ tanks- FWD of RC

‘O’ tanks - Aft of RC/below DG room

20
Q

System code for bilge and ballast priming system ?

A

PS

21
Q

Where is the HP bilge priming equipment found ?

A

Engine room

22
Q

Where is the HP ballast priming equipment found ?

A

DG room

23
Q

Where is the MP Ballast priming equipment found ?

A

EMS

24
Q

Function of a sealing tank ?

A

Provide a water seal for priming system by using a water ring seal

A22/03 (2 decks)

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