Engineering

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Author:
beukelman
ID:
309474
Filename:
Engineering
Updated:
2015-10-11 19:43:36
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USSHopper
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esws
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  1. What are the duties of the assistant Oil King?
    Assigned to watch over fuel oil transfer system
  2. What does PSM stand for?
    Propulsion system monitor
  3. What are the duties of the PACC operator?
    Responsible for the operation and monitoring of propulsion and auxiliary equipment
  4. What is the purpose of the EPCC operator?
    Responsible for operation and control of electric plant
  5. What types of refrigeration plants are there on board?
    1.3 Ton Carrier
  6. What type of refrigerant is used in the refrigeration plant?
    R-134A
  7. Where are the Reefer Plants located?
    Reefer decks, below mess decks
  8. What type of A/C plants is there on Board?
    200 ton York centrifugal chilled water plants
  9. What type of refrig. Is used in the A/C plants?
    R-114
  10. Where are the A/C plants Located?
    1 aux1, 2/ 3 aux 2, 4 shaft alley
  11. What’s the relationship of Chilled water and the C&D cooling skid?
    C/W cools the demineralized water used to cool the skid
  12. What’s the relationship between C/W and SPY?
    C/W Cools array faces and cabinets
  13. What’s the purpose of Bleed Air?
    SPAM- start, prairie, anti-icing, masker
  14. What Stage does bleed air come from on the GTG?
    14th
  15. What Stage does bleed air come from on the GTM?
    16th
  16. What’s the purpose of Prairie Air?
    Disguise propeller noise
  17. What’s the purpose of Masker Air?
    Reduce machinery noise from main spaces into the ocean
  18. What’s the purpose of anti-icing air?
    Keeps air entering gtms above 41 degrees F, and 70% humidity
  19. What’s the purpose of the masker emitter rings?
    Passage in which air leaves ship to reduce hull noise
  20. Where can prairie air be activated?
    PACC and locally
  21. What are the 3 modes of VCHT operation?
    At sea, Inport, Transit
  22. Describe the at sea mode of VCHT.
    At least 3 miles from land, pumped over the side.
  23. Describe Transit mode of VCHT.
    Less than 3 miles, holding sewage on board.
  24. What is the gas produced by VCHT?
    Hydrogen Sulfide
  25. Where is AFT VCHT located?
    Shaft alley
  26. What is the capacity of the VCHT tank?
    Aprox. 490 gallons.
  27. Where are the plumbing waste drain tanks located?
    Fwd & Aft VCHT.
  28. What is the capacity of the plumbing waste drain tanks?
    Fwd.350 Gallons, Aft 400 Gallons.
  29. How many deck discharge connections are there for the VCHT?
    4
  30. What are the uses of HP air onboard?
    GTG & GTM start air, 5”/54 Gun, VLS deluge tank charging, torpedo tubes, and back up to LP air
  31. LP air system is divided into 3 systems what are they?
    Vital, Non-vital, & dry air
  32. What is dry air used for?
    Combat systems equipment, HPAD purge air, A/C’s.
  33. What are the HPAC’s rated at?
    20 CFH at 3000 PSIG.
  34. Where are the HPAC’s located?
    Mid level MER-1 & 2
  35. How Many LPAC’s do we have and were are they located?
    3, #1 in MER-1 mid level, #2 & 3 MER-2 mid level
  36. What are the LPAC’s rated at?
    200 CFM at 125 PSIG
  37. How is moisture removed from HP & LP air?
    Dehydrators
  38. What medium is used in the HP air dehydrators?
    Desiccant
  39. State the purpose of the CRP system?
    Used to very the angle of attack of the propeller blades.
  40. What does HOPM stand for?
    Hydraulic Oil Power Module
  41. How Many HOPM’s are there and were are they located?
    2, mid level MER-1 & 2
  42. How many attached CRP pumps are there?
    2
  43. Where are the OD boxes located?
    Fwd of each MRG
  44. What’s the purpose of the CRP head tank?
    Maintains a positive pressure on the hub of the propeller when system is secured.
  45. What type of oil is used in the CRP system?
    2190
  46. Where can you set emergency ahead pitch?
    OD box using the emergency hand pump
  47. How many degrees is emergency ahead pitch?
    120%
  48. Where is the Degaussing switchboard located?
    CCS
  49. How many degaussing coils are there and what are they?
    4, A, M, FiQi, FPQP
  50. What’s the purpose of cathodic protection?
    Aids in preventing corrosion on the hull.
  51. What’s the purpose of the M-Coil?
    Compensate vertical induced and vertical permanent components of the ship’s magnetic field.
  52. What’s the purpose of the FiQi coil?
    Compensate the longitudinal induced component of the ship’s magnetic field.
  53. What’s the purpose of Degaussing?
    reducing effect on earths magnetic field
  54. What types of GTG’s are there on board?
    Allison 501-K34
  55. What are the generators rated at?
    4009 Amps, 2500KW, 60HZ, 450 Volts
  56. Where are the generators located?
    AUX-1, MER-2, 3 Gen.
  57. Which Switchboard has the circuit breakers for shore power?
    #2 SWBD
  58. Where are the shore power terminals located?
    01 level, mid-ships
  59. Where are the automatic paralleling devices located?
    1 in each switchboard
  60. Where are the Load centers located?
    LC-11, LC-21,LC-31
  61. What does EPCC stand for?
    Electrical Plant Control Console
  62. What purpose does EPCC serve?
    Starting, monitor & control the GTG & electrical plant.
  63. What types of fuel are used on board?
    F-76 (DFM) & JP-5 (F-44)
  64. What is F-76 used for?
    GTG’s & GTM’s
  65. What is JP-5 used for?
    Refueling Helo’s, RHIB’s, Back up fuel supply for GTM’s & GTG’s
  66. What is the Capacity of F-76?
    Aprox. 440,000 gallons
  67. What is the capacity of JP-5?
    Aprox. 21,000 gallons
  68. How many fuel service pumps are there?
    4
  69. How many fuel transfer pumps are there?
    2
  70. How many fuel purifiers are there and where are they?
    2, lower level MER-1 & 2
  71. Where is the JP-5 transfer system operated?
    3 Gen.
  72. Describe the purpose of the seawater compensating system?
    Used for ballast, prevents air pockets and fuel vapor build up.
  73. What system does seawater-compensating come from?
    Firemain
  74. How many GTM’s are there on board?
    4
  75. How are they numbered and where are they located?
    1A & 1B MER-1, 2A & 2B MER-2
  76. What type of oil is used in the GTM’s?
    23699
  77. What does LOSCA stand for?
    Lube Oil Storage & Conditioning Assembly
  78. How many LOSCA’s are there?
    4
  79. Where are the LOSCA’s located at?
    Upper Level MER-1 & 2
  80. What cools the 23699 in the LOSCA?
    2190 L/O
  81. What type of GTM’s do we have onboard?
    LM2500
  82. Describe the purpose of the MRG L/O system?
    Deliver clean filtered L/O at proper temperature and pressure to the MRG.
  83. How does the main L/O system interface with the main thrust bearing?
    The main thrust bearing is lubricated by the L/O system.
  84. How does the main L/O system interface with the GTM L/O?
    The GTM L/O is cooled by the main L/O system via the LOSCA.
  85. How many L/O purifiers are there on board?
    2
  86. Where are the L/O Purifiers located?
    Lower level MER-1 & 2
  87. What does MRG stand for?
    Main Reduction Gear
  88. What purpose does the MRG serve?
    Converts the high-speed low torque output of the GTM, into low speed high torque to the shaft.
  89. What type of MRG is on board?
    Double input, double reduction, double helical, articulated, single output, locked train.
  90. What does SSS stand for?
    Syncro Self Shifting
  91. What is the purpose of SSS clutch?
    To couple or un-couple the Power turbine with the MRG first reduction pinion.
  92. What’s the purpose of the main thrust bearing?
    Absorb thrust created by the screw and transmit it to the hull of the ship.
  93. What’s the purpose of the line shaft bearings?
    Support the propulsion shaft.
  94. How long is the STBD. Shaft?
    Aprox. 228 feet
  95. How long is the port shaft?
    Aprox. 168 feet.
  96. Where is the STBD thrust bearing located?
    AUX-2
  97. Where is the Port thrust bearing located?
    Shaft Alley (A/C machinery and pump room)
  98. What type of oil is used in the Main Reduction Gear?
    2190
  99. Where is the oily waste holding tank located?
    AUX-2
  100. Where is the waste oil tank located?
    AUX-2
  101. What is the purpose of the waste oil tank?
    Holds waste oil after being processed through the oil water separator until able to be off loaded.
  102. Where is the oily water separator located?
    AUX-2
  103. Where are the oily water deck connections located?
    Port and Stbd. Side Mid-ships (QTR. Deck Area)
  104. Where are the oily waste transfer pumps located?
    MER-1 & 2 lower level.
  105. What type of desalination plants is on board?
    Reverse Osmosis
  106. Where are the R/O’s located?
    MER-1 Mid-level.
  107. What is the Maximum amount of potable water stored onboard?
    Aprox. 16,000 gallons.
  108. What is bromine used for?
    Treat potable water.
  109. What is calcium hypochloride used for?
    To sanitize potable water hoses and connections and can be used for treatment of potable water.
  110. What are the ships Standard for water consumption?
    35 Gallons per person
  111. Where are the potable water risers located?
    Port and starboard side, mid-ships Q-deck area.
  112. What is the minimum level of bromine that potable water must be while at sea?
    0.2 PPM
  113. What is the minimum level of bromine that potable water must be from an unapproved source?
    2.0 PPM
  114. Where is the bromine locker located?
    Outside of MER-1’s air lock.
  115. What is the purpose of the sea water service system?
    Equipment cooling
  116. Name 4 Different Pieces of machinery or systems that use the ships SWS for cooling?
    HPAC, LPAC, A/C’s, Reefer’s, MRG L/O Coolers, prairie & masker coolers
  117. Where are the SWS pumps located?
    AUX-1, MER-1, AUX-2, MER-2, Shaft Alley
  118. What does MCS stand for?
    Machinery Control System
  119. What does DMS stand for?
    Data Multiplex System
  120. Name 5 consoles that rely on MCS?
    SCU-1, SCU-2, PACC, EOOW LOGGING UNIT, EPCC, DCC, RSC, BCU, Plasma Display unit in CIC & On the Bridge, Water Washdown/CM Panel on the bridge, ASCU
  121. How many main bus cables are there in the DMS system?
    5
  122. How many Traffic Controllers (TC) are there?
    5
  123. How many Area Multiplexers (AM) are there?
    5
  124. How many Remote Multiplexers (RM) are there?
    9
  125. How many Input/Output Units are there?
    29
  126. What is cold iron?
    Ship is being “fed” power & other “hotel” services from an outside source.
  127. What is AUX. Steaming?
    Ships systems are running and providing it’s own electricity with at least 1 generator being on-line.
  128. What is Full Power?
    All 4 GTM’s are on line (31 + Knots)
  129. What is the maximum speed available on a locked shaft?
    13 Knots
  130. What is split plant and what is the maximum speed?
    Engine rooms are running independently and one engine per shaft, 25 Knots
  131. Describe Trail Shaft.
    One engine on line the other shaft is “free spinning” at 110 % pitch. (19 Knots)
  132. How many different hydraulic pumps are there in steering and what are they?
    4 HPU’s, 1 Fill & Drain pump, 1 Hand pump
  133. Name 4 Different locations that you can move the ships rudders from back in the steering gear room?
    ASCU, LCU, Fill & Drain Pump, Emergency Hand Pump, Ratchets
  134. What are the different modes of operating the ships steering gear?
    Computer assisted auto, Computer assisted Manual (Best Heading, Best fuel, Intermediate), back up manual

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