ESWS ENG Flashcards by Andrew Riedler

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

5 SWS Pumps; Rated at 1575 GPM @ 35 Psi

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Where are the seawater service pumps located?

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

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What type of AC Units do we have?

York 200 Ton Centrifugal

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What type of Refrigerant does the AC use?

R-134a

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What is Chilled Water used for?

Electronic Cooling / Crews Comfort

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

York 1.5 Ton Rotary Vane located on the Reefer Decks

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What type of Refrigerant do the Refrigeration Units use?

R-134a

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

Primary: Store Foods, Secondary: Store the Deceased

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

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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How many modes of steering are there?

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

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

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

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

12,000

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

4; Approximately 4000 Gallons Each

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

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

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

12 NM

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What type of hot water heaters do we have?

Electric Hot Water Heaters

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How many hot water heaters do we have?

We have two of them

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Where are the hot water heaters located?

They are located in MER 1

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What does RAST stand for?

Recovery Assist, Secure, and Traverse

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What does Recovery Assist mean?

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

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What does Secure mean?

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

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What does Traverse mean?

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

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How many Gas Turbine Engines do we have onboard?

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

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How many GTM’s are onboard?

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Where are the GTMs located?

MER 1, MER 2

What are the two major sections of a GTM?

Gas Generator and Power Turbine

How many stages are in the GTMs Gas Generator Compressor?

16 Stages

How many stages are in the GTMs Power Turbine?

Not specified

What type of oil is used on the engines?

23699

What type of Combustors do the GTMs have?

Annular Combustors

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

50 NM

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

Starboard Break and Oil Lab

Where are the Oily Water Separator and its purpose?

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

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

2190

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

Turning Gear

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

Attached Lube oil pump

How many Bearings are on the MRG?

30; 26 Journal 4 Thrust

What is the Reduction Ratio of the MRG?

21.36:1

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

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

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

2; Port-Shaft Alley Starboard =Aux 2

What does the Main reduction gear do?

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

What is the purpose of the CRP System?

To control the propeller's blade position

How many blades are on the propeller?

What type of fuel is used in the helicopter?

JP-5

What type of fuel do we carry onboard?

F-76 and JP-5

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

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

What are the four uses of bleed air?

Start, Prairie, Anti-Icing, Masker

What are Masker and Prairie Air used for?

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

What is Bleed Air extracted from?

16 Stage = GTM 14 Stage = GTG

What medium cools Bleed Air?

Seawater

How many LPAC's are onboard?

What are the three modes of the LPAC?

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

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

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

What is an example of Non-Vital Air?

Pneumatic Tools

What is the length of the STBD shaft?

228 ft

What is the length of the PORT shaft?

168 ft

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

To remove Sediment

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

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

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

Main Engine Room (MER) No.1

What does the acronym 'BLISS' stand for?

Boundary Layer Infrared Suppression System

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

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

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

4 Service Tanks and 21 Storage Tanks

What is the purpose of the CPP head tank?

To apply static head pressure to the hub preventing seawater intrusion

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

Control Oil, Power Oil, and Return Oil

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?

Turning Gear

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

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

What are the three modes of operation of the LPAC?

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

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

Synthetic oil MIll-L-23699

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

Thrust

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

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

Bleed air

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

MER 2 Fuel Service System

What is the purpose of EPPC?

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

How many Gas Turbine Generators are onboard?

What are the locations of the Gas Turbine Generators?

AUX 1, MER 2, 3 GENERATOR ROOM

What are the Gas Turbine Generators rated at?

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

How many stages are in the GTG Compressor?

14 Stages

How many cans do the GTG Combustor have?

6 Cans

What type of Lube Oil is used on the GTG?

23699 Synthetic Lube Oil

What does RIMSS stand for?

Redundant Independent Mechanical Start System

What can we use to start the GTG?

RIMSS (Primary Start) Bleed Air

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

CCS-Remotely FADC/Switchboard = Locally

What type of Electrical Distribution onboard USS Howard?

ZEDS (Zonal Electrical Distribution System)

How many Zones do we have?

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

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)

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

12 located Mid-ships by the Quarterdeck

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

10 rated at 400 Amps each

How many Load Centers do we have?

Name the Degaussing coils and the purpose for the system?

M, A, FI-QI (F = Foc's'le) (Q=Quarterdeck), FP-QP and is counteract or neutralize magnetic field. ## Footnote Making the ship magnetically invisible

What is the difference between Induced and Permanent Coils?

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

What are the equipments that make the MCS?

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

Where are all the RSC's located?

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

Where are the locations of all the UCC's?

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

What are the Watch stations for UCC1 and UCC2?

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

What is the location for DIU NR1?

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

What is the location for DIU NR4?

DIU NR4 = MERI LO