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ESWS > M-DIV > Flashcards

M-DIV Flashcards

1
Q

How many main reduction gears are onboard and where are they located?

A

2

Main 1 & 2

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2
Q

How many SAE-40 LOPs are onboard and where?

A

2

Main 1 & 2

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3
Q

How many ships service diesel generators are onboard and where?

A

4

Aux 1 & 2

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4
Q

What are the modes and pressure ranges?

A

STBY - 105-115 PSI

LAG - 110-120 PSI

LEAD - 115-125 PSI

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5
Q

What are the locations of the LPAC?

A

Aux 1

Aux 2

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6
Q

How many HPACs are onboard and where?

A

2

Main 1 & 2

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7
Q

What does non vital low pressure air provide air to?

A

Pneumatic tools

Ships laundry

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8
Q

What’s the purpose of the LPACs?

A

Provide vital and non-vital air

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9
Q

What PSI does the HPAC start and stop?

A

2700 start

3000 stop

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10
Q

How many fire pumps are onboard?

A

7

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11
Q

2190 lube oil acts as _____ for the MRG system?

A

Lubricating oil

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12
Q

What’s the purpose of the MRG?

A

To convert high speed low torque of the MPDE to low speed high torque of the shaft

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13
Q

How much water does a RO make a day?

A

36,000 gallons

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14
Q

What does LPAC stand for?

A

Low pressure air compressor

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15
Q

What are the characteristics of the MPDE’s?

A 
Made by Colt Pielstick
16 cylinders 
V block configuration
4 stroke
Twin turbo
520 rpm
8500 hp
F-76 fuel oil
SAE-40 for lube oil
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16
Q

What are the characteristics of the SSDGs?

A 
Made by Fairbanks Morse
12 cylinder opposed piston
900 rpm
1377 hp
450 V
60 Hz
2566 amps
1600 Kw
F-76 fuel oil
SAE-40 lube oil
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17
Q

Where are the potable water tanks located?

A

Underneath the gym

18
Q

Who manufactures the MRG?

A

Philadelphia

19
Q

What is the purpose of the stern tube seal?

A

Allows the shaft to exit the ship and prevent flooding

20
Q

What’s the purpose of the HPAC?

A

Provide vital air

21
Q

What does vital high pressure air provide air to?

A

Air start for MPDE’s, SSDG’s and SCBA recharging

22
Q

What’s the ratio for the MRG?

A

3:15:1

23
Q

How many main propulsion Diesel engines are onboard and where?

A

4

Main 1 & 2

24
Q

What type of HPAC is onboard?

A

Rix 5 stage swash plate compressor

25
Q

What is the purpose of the 2190 LOP?

A

To purify CPP & MRG lube oil

26
Q

What’s the purpose of the OD box?

A

To use control oil to direct flow of power oil to change the angle of the propellers.

27
Q

What’s the purpose of the SAE-40 lube oil purifiers (LOP)?

A

To purify MPDE’s lube oil

28
Q

What is the purpose of the LSB?

A

Support the weight of the shaft,
Cool the shaft
Absorb radial thrust

29
Q

Where are the potable water pumps located onboard?

A

1A & 1B potable water pumps are in Aux 1

30
Q

Where are the potable water risers located?

A

Port side smoke deck

STBD side of stairway to heaven

31
Q

What is the PSI and gallon per minute of the F/P?

A

170 PSI

1000 GPM

32
Q

What type of LPACs are onboard?

A

Rix star 200, water cool, oil free, screw type compressor

33
Q

What are the locations of the fire pumps?

A 
1 - Aux 1
2 - Main 1
3 - Main 2
4 & 5 - Aux 2
6 & 7 - Fire pump room
34
Q

What does vital low pressure air pride air to?

A

MRG clutch & brake, radars

35
Q

What is the purpose of the Kingsbury thrust bearing?

A

Absorb axial thrust of the shaft to the hull of the ship

36
Q

What equipment do the ASW pumps provide to?

A 
HPACs
DBAC’s
LPAC’s
Stern Tube Cooling
A/C’s
37
Q

2190 Lube oil provides ____for the CPP system?

A

Hydraulic oil

38
Q

What are the watch standers positions in Main control?

A

EOOW
PACC
EPCC

39
Q

How many auxiliary sea water pumps are onboard?

A

4

40
Q

What are the locations of the ASW pumps?

A

1 - Main 1
2 - Aux 1
3 - Aux 2
4 - Main 2

41
Q

What is the purpose of the strut bearing?

A

Support the shaft outside the skin of the ship

42
Q

What’s the purpose of the Hydraulic Oil Power Module (HOPM)?

A

Provide control oil to the Oil Distribution Box

ESWS (11 decks)

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