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11 Cards in this Set
- Front
- Back
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Rapidly dewater the ship in case of flooding, transfer liquid waste overboard or to a collection tank
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Main Purpose of drain system
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Drain Pump (7)
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Centrifugal, 250vdc, 6 stage, vertically mounted, variable speed, 230 gallons/ min, located in ERLL
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C O R D
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Cascade Orifice Restrictive Device
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Prevents noise by creating back pressure using a series of baffles, which minimize cavitation
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C O R D
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Measures liquid leaving the drain pump, display in pounds times ten and is read at the ballast control panel (BCP)
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Flow Meter
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used to pump small amounts of liquid that collect in the bilge pockets in both FWD and AFT compartments
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Aux Drain Pumps
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Drain Tanks location (4)
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FWD Bilge Collection Tank FBCT, AFT Bilge Collection Tank ABCT, Waste Oil Collection Tank WOCT, Sanitary Tank #2
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Collects waster water and oil from the bilges in the FWD compartment via the Aux drain system
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FBCT
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Receives water and oil from the FBCT and the Aft aux drain system, acts as a settling tank for separating oil and water
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ABCT
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receives oil from the aft bilge collection tank via aux drain system, acts as a storage tank until oil can be pumped overboard...
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WOCT
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Collects and holds grey water from the sink, showers, and the washing machine onboard
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Sanitary Tank #2
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