Engineering

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  1. What are the Eng at sea watches?
    Cheng, ECOW (engineering chief of the watch), CAO (chief auxiliary operator), DCWS (damage control watch sup), CEW (chief electrical watch), Cat-Sup (catapult supervisor), Hypo (hydraulics operator), Ace rovers, Cat Mech (catapult mechanic)
  2. What are the Eng at sea and in port watches?
    SSP (sound and security patrol), LCR (load center rover), AMO (aux machinery operator)
  3. What are the engineering in port watches?
    EDO (engineering duty officer), EDCPO (engineering duty chief petty officer), EWS (engineering watch sup)
  4. How many list control pumps are there?
    2
  5. How many places can the list pumps be operated from, and where are they?
    • 2;
    • Locally in 4A shaft alley and in DCC
  6. What is the rating of the list control pumps?
    1800 GPM
  7. What is the purpose of list control?
    Distribute water port and stbd to compensate for ship's list and aircraft launch/recovery
  8. What type of water is in the list control tanks?
    Potable Water
  9. How many list control tanks are there and what sides are they located?
    10; 5 port, 5 stbd
  10. In regards to list control pumps, how many degrees can be corrected in 20 minutes?
    1.5 degrees
  11. Who operates list control?
    • DCWS
    • EWS
  12. What is the purpose of degaussing?
    Reduces ships magnetic signature to help avoid detection by submarines and mines
  13. What are the degaussing coils and their purposes?
    • A-Coil: counters ship's athwartship magnetization; automatic coil
    • M-Coil: counters ship's vertical magnetization; manual coil
    • FP-QP coil: counter ship's longitudinal permanent magnetization; not used yet
    • FI-QI coil: counter ship's longitudinal induced magnetization; automatic coil
  14. What is the purpose of liquid oxygen?
    Breathing air for pilots
  15. What is the total storage capacity of oxygen?
    1500 gallons
  16. What is the total storage capacity of nitrogen?
    1500 gallons
  17. Major hazards associated with liquid oxygen?
    accelerant and explosive
  18. Major hazard associated with liquid nitrogen?
    asphyxiation
  19. What PPE are needed for cryogenics?
    leather gloves, face shield, rubber apron, LOX coveralls, LOX boots
  20. How many O2N2 plants are there and where are they?
    2; HB1 Port and HB3 Stbd
  21. During a cryogenic spill, who is in charge?
    The cryogenic operator
  22. What is the purpose of the AC plants
    cool electronic equipment
  23. How many AC units do we have?
    10
  24. What type of AC units do we use?
    York 363 ton, centrifugal
  25. What is the purpose of refrigeration plants?
    Ships stores, perishables, supplies
  26. What type of refers (refrigeration units) do we have? How many?
    • York 7 ton, reciprocating
    • 5
  27. Explain the refrigeration cycle
    Compression (compressor) - Condensation (condenser) - Expansion (TXV) - Evaporation (coils)
  28. What is the purpose of steering (rudders)?
    • [KNOW THIS VERBATIM]
    • attain and maintain desired ship's heading
  29. How many steering gears (rudders) do we have?
    2
  30. Name the 4 means/places steering can be controlled from?
    • Bridge using the helm
    • In aft steering using the trick wheel or emergency steering units
    • In the ram room using the hand wrench assembly
  31. What is the purpose of the ACE?
    move aircraft from flight deck to hangar bay and vice versa
  32. How many ACEs do we have and what are the special features of each?
    • 4
    • 1 - Disneyland Stop - Stop midway at AIMD shop
    • 2 - Nothing
    • 3 - b&a crane interlock (must be at HB level to operate crane)
    • 4 - part of the flight deck, pri-fly controls it
  33. What pieces of equipment are in the elevator machinery spaces?
    • 4 hydraulic pumps
    • 20 wire ropes
    • 3 stantion groups
  34. What load centers are associated with each ACE?
    • 1 - LC 45
    • 2 - LC 51
    • 3 - LC 81
    • 4 - LC 82
  35. What is the working capacity of the ACE?
    120-130 thousand lbs
  36. What is the weight of the elevator platform?
    255,000 lbs
  37. The elevator machinery is what type of system?
    Electro-hydraulic
  38. What does B&A stand for?
    Boat and airplane
  39. What is the B&A crane used for?
    Moving boats in and out of the water and transporting damaged aircraft
  40. What is the capacity of the main hook on the B&A crane?
    50,000 lbs
  41. What is the capacity of the B&A whip?
    25,000 lbs
  42. What does CHT stand for?
    Collection, holding, and transfer
  43. How many CHT pumps are onboard?
    6
  44. How many CHT tanks are onboard? Where on the ship are they?
    • 5
    • 3 Fwd, 1 Amid, 1 Aft
  45. What is the rating of the CHT pumps?
    400 gpm
  46. Define different modes of CHT operation.
    • Inport - pumping to the pier
    • Transit - holding in tanks (3 miles waste drains, 12 miles solid drains)
    • Underway - overboard (50 miles oily waste diverted)
  47. What is the main hazard of CHT?
    H2S (hydrogen sulfide)
  48. What is the purpose of the catapults and their normal operating pressure?
    launching aircraft; 520+/-10#
  49. Where are the catapult steam accumulators?
    01 Level
  50. What is the normal water required for the catapult accumulators?
    45 inches
  51. Define Catapult Supervisory Control (CSC)
    reactor controls steam to catapults; prevents drawing too much at once
  52. What is used for fire suppression in catapult spaces?
    Steam smothering
  53. What are the catapult load centers?
    • 1 - LC 33
    • 2 - LC 34
    • 3 & 4 - LC 66
  54. What are the engineering department watches in DCC and their responsibilities?
    • ECOW - Engineering chief of the watch - Responsible for all ENG dept equpment
    • CAO - Chief auxiliaries operator - Coordinates and manages all auxiliary div equipment
    • DCWS - Damage control watch supervisor - oversees the yoke log, CHT, and List control
    • CEW - Chief Electrical watch - Responsible for load centers outside reactor plants
  55. What is liquid nitrogen used for?
    aircraft systems, jet tires, freeze seals
  56. What is the refrigerant for the AC units?
    R236FA
  57. What is the refrigerant for the reefers?
    R134A
  58. Where is #9 AC unit?
    7-25-0-E
  59. Where are #1 & #2 AC units?
    6-44-0-E
  60. Where are #1 & #2 Reefers?
    6-44-0-E
  61. Where is #5 AC unit?
    1 MMR
  62. Where is #6 AC unit?
    2 RAR
  63. Where is #7 AC unit?
    2 MMR
  64. Where are #3 & #4 AC units?
    7-180-0-E
  65. Where are #3, 4, and 5 reefers?
    7-180-0-E
  66. Where are #8 and #10 AC units?
    7-200-2-E
  67. What is cathodic protection?
    The use of zincs to take corrosion in place of the hull or equipment
  68. How many waste plants do we have and where are they?
    • 1 - Wardroom 1 & 2
    • 2 - FWD mess decks
    • 3 - Aft mess decks (port side, below hazmat)
    • 4 - HB3, stbd side
  69. What does WRV stand for and its purpose?
    • Water Regulating Valve
    • Regulates cooling water through the condenser (in the A/C plants)
  70. In the A/C systems, what is the compressor known as?
    The heart of the system
  71. In the A/C systems, what is the microprocessor known as?
    The brain of the system
  72. What are uses for HP air?
    EDG starting air, elevators
  73. What are the uses for LP air?
    Propulsion plant loads, control air backup, tools, arresting gear

Card Set Information

Author:
 Lee_d
ID:
 261585
Filename:
 Engineering
Updated:
2014-03-14 02:39:26
Tags:
cvn 70 carl vinson esws engineering
Folders:
ESWS
Description:
Engineering
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