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ESWS > ESWS ENG > Flashcards

ESWS ENG Flashcards

1
Q

How many seawater service pumps do we have and how many gallons per minute does it produce?

A

5 SWS Pumps; Rated at 1575 GPM @ 35 Psi

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2
Q

Where are the seawater service pumps located?

A

Aux 1, Mer 1, Aux 2, Mer 2, Shaft Alley

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3
Q

What type of AC Units do we have?

A

York 200 Ton Centrifugal

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4
Q

What type of Refrigerant does the AC use?

A

R-134a

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5
Q

What is Chilled Water used for?

A

Electronic Cooling / Crews Comfort

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6
Q

What type of Refrigeration System Units do we have and where are they located?

A

York 1.5 Ton Rotary Vane located on the Reefer Decks

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7
Q

What type of Refrigerant do the Refrigeration Units use?

A

R-134a

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8
Q

What is the primary use for our Freeze box, and what is the Secondary?

A

Primary: Store Foods, Secondary: Store the Deceased

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9
Q

What are some of the environmental friendly equipment do we have in the trash room and what are they used for?

A

1 Pulper = Food/Paper, 1 Metal/Glass Shredder = Metal/Glass, 1 Plastic Shredder = Plastic, 2 Compressor Melting Unit (CMU) = Melts Plastic into Pucks

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10
Q

How many modes of steering are there?

A

6 = (Bridge, Aft Steering Unit, Local Control Unit (LCU), Fill and Drain Pump (FADPU), Hand Pump, Ratchets)

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11
Q

What type of distillate plants do we have? How many do we have? Where are they located?

A

We have Reverse Osmosis and we have 2 located in MER 1

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12
Q

How many gallons per day does each reverse osmosis unit make?

A

12,000

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13
Q

How many Potable Water Tanks do we have and what are they rated at?

A

4; Approximately 4000 Gallons Each

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14
Q

What is the minimum bromine level in good water and bad water?

A

2-2.0 ppm is the range of good water; .2 or below = bad; 2.0 or higher = bad

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15
Q

How many NM out from the US port can we discharge pulped trash?

A

12 NM

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16
Q

What type of hot water heaters do we have?

A

Electric Hot Water Heaters

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17
Q

How many hot water heaters do we have?

A

We have two of them

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18
Q

Where are the hot water heaters located?

A

They are located in MER 1

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19
Q

What does RAST stand for?

A

Recovery Assist, Secure, and Traverse

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20
Q

What does Recovery Assist mean?

A

Physically attaches a wire to the helo and physically brings the helo to the FD

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21
Q

What does Secure mean?

A

Uses the RSD to secure the helo once it lands on the FD

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22
Q

What does Traverse mean?

A

Transports the helo using the RSD in and out of the hanger bays

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23
Q

How many Gas Turbine Engines do we have onboard?

A

10 = (4 GTMs, 3 GTGs, and 3 RIMMS)

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24
Q

How many GTM’s are onboard?

A

4

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25
Q

Where are the GTMs located?

A

MER 1, MER 2

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26
Q

What are the two major sections of a GTM?

A

Gas Generator and Power Turbine

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27
Q

How many stages are in the GTMs Gas Generator Compressor?

A

16 Stages

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28
Q

How many stages are in the GTMs Power Turbine?

A

Not specified

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29
Q

What type of oil is used on the engines?

A

23699

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30
Q

What type of Combustors do the GTMs have?

A

Annular Combustors

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31
Q

In the event of an emergency how many NM out can we discharge oily waste over the side?

A

50 NM

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32
Q

How many spill kits do we have and where are they located?

A

Starboard Break and Oil Lab

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33
Q

Where are the Oily Water Separator and its purpose?

A

Located in Aux 2 and to separate oily water to meet environmental standards

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34
Q

What kind of oil is used in the Main Reduction Gear?

A

2190

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35
Q

Which component facilitates gear inspections, warm-up and cooling down of the MRG, and prevents warping of the shaft?

A

Turning Gear

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36
Q

What provides lubricating oil to the Main Reduction Gear (MRG) at higher shaft speeds?

A

Attached Lube oil pump

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37
Q

How many Bearings are on the MRG?

A

30; 26 Journal 4 Thrust

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38
Q

What is the Reduction Ratio of the MRG?

A

21.36:1

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39
Q

How many Line Shaft Bearings do we have and where are they located?

A

3; 1A=MER 2 1B=Shaft Alley, 2A=Shaft Alley

40
Q

How many Thrust Bearings do we have and where are they located?

A

2; Port-Shaft Alley Starboard =Aux 2

41
Q

What does the Main reduction gear do?

A

Convert high speed/low torque into high torque/low speed

42
Q

What is the purpose of the CRP System?

A

To control the propeller’s blade position

43
Q

How many blades are on the propeller?

A

5

44
Q

What type of fuel is used in the helicopter?

A

JP-5

45
Q

What type of fuel do we carry onboard?

A

F-76 and JP-5

46
Q

What is the flashpoint of F-76 and JP-5?

A

F-76 = 140 F
JP-5=160 F

47
Q

What are the four uses of bleed air?

A

Start, Prairie, Anti-Icing, Masker

48
Q

What are Masker and Prairie Air used for?

A

Masker Air = Reduces high frequency noise from machinery spaces
Prairie Air = Reduces high frequency noise from the ship’s propellers

49
Q

What is Bleed Air extracted from?

A

16 Stage = GTM
14 Stage = GTG

50
Q

What medium cools Bleed Air?

A

Seawater

51
Q

How many LPAC’s are onboard?

A

3

52
Q

What are the three modes of the LPAC?

A

Lead = 125psi, Lag = 120psi, and Standby = 115psi

53
Q

What is the priority valve and at what pressure does the valve secure?

A

It’s a valve that will close to secure non vital air to the ship once it reaches 85 psi

54
Q

What is an example of Non-Vital Air?

A

Pneumatic Tools

55
Q

What is the length of the STBD shaft?

A

228 ft

56
Q

What is the length of the PORT shaft?

A

168 ft

57
Q

What is the purpose of the Pre-Filter in the Fuel System?

A

To remove Sediment

58
Q

How many Lube Oil Purifiers do we have, where are they located and what do they do?

A

We have 2 of them, they are located in Mer 1 and Mer 2, they remove sediment and water from the Lube Oil

59
Q

The two 430 gallon hot water tanks are located in which space/s?

A

Main Engine Room (MER) No.1

60
Q

What does the acronym ‘BLISS’ stand for?

A

Boundary Layer Infrared Suppression System

61
Q

What is the purpose of the Fuel Fill and Transfer System?

A

Fill storage tanks with fuel and transfer fuel to the service tanks.

62
Q

How many F-76 Fuel Service Tanks and Storage Tanks do we have?

A

4 Service Tanks and 21 Storage Tanks

63
Q

What is the purpose of the CPP head tank?

A

To apply static head pressure to the hub preventing seawater intrusion

64
Q

What are the three systems of Oil in the CPP System?

A

Control Oil, Power Oil, and Return Oil

65
Q

On the Main Reduction Gear (MRG), which component facilitates gear inspections, warm-up and cooling down of the MRG, and prevents warping of the shaft?

A

Turning Gear

66
Q

How many LPACs do we have and where are they located?

A

3; 1=MER 1, 2-MER 2, 3=MER 2

67
Q

What are the three modes of operation of the LPAC?

A

Lead = 125, Lag = 120, Stand-by = 115

68
Q

What type of oil is used in the Gas Turbine Engines?

A

Synthetic oil MIll-L-23699

69
Q

What bearing transmits the force from the ship’s propellers to the ship’s hull?

A

Thrust

70
Q

The propulsion gas turbine system has how many Lube Oil Supply Pumps per engine?

A

1

71
Q

What is the compressed air extracted from the compressor section of the operating gas turbine engines called?

A

Bleed air

72
Q

The 1200-gallon gravity feed tank that provides fuel for Generator No3 is filled from which fuel system?

A

MER 2 Fuel Service System

73
Q

What is the purpose of EPPC?

A

Control Console for the GTGs and in charge of the electrical distribution system

74
Q

How many Gas Turbine Generators are onboard?

A

3

75
Q

What are the locations of the Gas Turbine Generators?

A

AUX 1, MER 2, 3 GENERATOR ROOM

76
Q

What are the Gas Turbine Generators rated at?

A

60 Hz, 450 Volts, 2500 Kw, 4009 Amps, 3 Phases, 8 Power Factor

77
Q

How many stages are in the GTG Compressor?

A

14 Stages

78
Q

How many cans do the GTG Combustor have?

A

6 Cans

79
Q

What type of Lube Oil is used on the GTG?

A

23699 Synthetic Lube Oil

80
Q

What does RIMSS stand for?

A

Redundant Independent Mechanical Start System

81
Q

What can we use to start the GTG?

A

RIMSS (Primary Start) Bleed Air

82
Q

Where are the locations that you can start the GTG from?

A

CCS-Remotely
FADC/Switchboard = Locally

83
Q

What type of Electrical Distribution onboard USS Howard?

A

ZEDS (Zonal Electrical Distribution System)

84
Q

How many Zones do we have?

A

6

85
Q

How many switchboards do we have and where are they located?

A

10 Total
1 SA, ISG = Aux 1
2 SA, 2SG, 2SP = Mer2
3 SA, 3SG = 3 Gen
1SB = 3MC Office
2SB = 2 Switchboard Rm (Located behind the Mail Rm)
3SB = 3 switchboard Rm (Located by the Training Classroom)

86
Q

How many Shore Power receptacles are there and where are they located?

A

12 located Mid-ships by the Quarterdeck

87
Q

How many Shore Power cables do we have and what are they rated at?

A

10 rated at 400 Amps each

88
Q

How many Load Centers do we have?

A

15

89
Q

Name the Degaussing coils and the purpose for the system?

A

M, A, FI-QI (F = Foc’s’le) (Q=Quarterdeck), FP-QP and is counteract or neutralize magnetic field.

Making the ship magnetically invisible

90
Q

What is the difference between Induced and Permanent Coils?

A

Induced is for the Earth’s Magnetic Field
Permanent is for the Ship’s Magnetic Field

91
Q

What are the equipments that make the MCS?

A

5 Data Interface Units (DIU), 4 Engine Controllers (EC), 4 Universal Control Consoles (UCC),
7 Repair Station Consoles (RSC), Integrated Condition Assessment System (ICAS)

92
Q

Where are all the RSC’s located?

A

CCS, RPL 2, RPL 3, RPL5, BRIDGE, CIC, CSMC

93
Q

Where are the locations of all the UCC’s?

A

CCS: UCC1 and UCC2; MER1: UCC3; MER2: UCC4

94
Q

What are the Watch stations for UCC1 and UCC2?

A

Electrical Plant Control Console (EPCC): UCC2
Propulsion Auxiliary Control Console (PACC): UCC1

95
Q

What is the location for DIU NR1?

A

DIU NR1 = NR1 GTG, NR1 SWBD, PW, MERI LO

96
Q

What is the location for DIU NR4?

A

DIU NR4 = MERI LO

ESWS (15 decks)

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