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ESWS > Engineering > Flashcards

Engineering Flashcards

1
Q

How many catapults do we have?

A

4

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2
Q

How many catapults can we fire simultaneously?

A

2

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3
Q

How many gallons of feed water to the catapults hold?

A

7000 gallons

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4
Q

What is the minimum main steam supply pressure needed to launch an aircraft?

A

450 PSI

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5
Q

How much feed water is required to perform a catapult shot?

A

250 gallons

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6
Q

What is the trough fire suppression system?

A

Uses steam to smother fires

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7
Q

What size risers do we use to supply the catapults?

A

10 inch and 2 inch

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8
Q

How many AC units do we have?

A

6

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9
Q

What is the AC capacity?

A

800 tons

Remove 9,600,000 BTUs of heat

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10
Q

How many reefers do we have?

A

5

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11
Q

What is the reefer capacity?

A

7 Ton/remove 84,000 BTU’s of heat

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12
Q

What is the primary purpose of AC?

A

To keep electronic equipment cool

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13
Q

What is the secondary purpose of AC?

A

Crew comfort

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14
Q

TXV?

A

Thermal expansion valve

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15
Q

What is a TXV?

A

Used to regulate the amount of refrigerant entering the evaporator coil

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16
Q

How many phases are there to the refrigeration cycle?

A

4

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17
Q

What are the phases to the refrigeration cycle?

A
  • Compression
  • Condensation
  • Expansion
  • Evaporation
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18
Q

What type of refrigerant do we use on board?

A

R-134A (Tetraflouroethane)

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19
Q

How many chill water loops do we have on board?

A

1 to 3 loops.

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20
Q

What areas do the loops feed?

A
  • Forward loop
  • Midship loop
  • Aft Koop
  • Island loop
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21
Q

What is the primary function of the water regulating valve?

A

Maintains constant refrigerant condensation pressure by controlling the quantity of circulating water flowing through the condenser. Actuated by refrigerant pressure.

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22
Q

How many 02N2 Plants do we have?

A

2

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23
Q

Where are the O2N2 plants located?

A
  • HB1 port side

* HB1 Starboard side

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24
Q

What are the uses of 02?

A
  • Pilots breathing air

* Medical and dental

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25
Q

What are the uses of N2?

A
  • Inflating aircraft tires
  • Reboiler layups
  • Pilot injection seats
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26
Q

What two things do you never want to have come in contact with 02?

A
  • Petroleum products

* Open flames

27
Q

What percentage of breathable air his oxygen?what percent is nitrogen?

A

21%

78%

28
Q

At what temperature does oxygen liquefy?

A

Minus 297 degrees Fahrenheit

29
Q

What type of nitrogen to be produced on board?

A

Gaseous nitrogen @ 24 SCFM @ 5000 PSIG

30
Q

What are the advantages of gaseous nitrogen?

A

It does not expand nor contract

No static

31
Q

How many list control tanks do we have?

A

10

32
Q

Where are the list control tanks located?

A
  • Port and starboard side
  • Frames 96 to 148
  • Between the fourth and sixth decks.
33
Q

How many list control pumps do we have?

A

2

34
Q

How much can each list control pumps transfer per minute?

A

1800 gallons

35
Q

Which side of the ship has more capacity?

A

Portside. To offset the weight of the island.

36
Q

What is our standard list during the flight operations?

A

1/4 to 1/2 degree to port

37
Q

Where are the list control pumps located?

A

4A shaft alley

38
Q

What other ways can we adjust the ships list?

A
  • Move fuel
  • Move aircraft
  • Move Tilly
39
Q

What do we use to fill the list control tanks?

A

Potable water/sea water in emergency situations

40
Q

VCHT

A

Vacuum collection holding and transfer

41
Q

How many VCHT plants do we have?

A

2

42
Q

How many eductor vacuum pumps are in each plant?

A

10

43
Q

How many nautical miles out do we need to be to pump over the side?

A

3 Nm

44
Q

What type of toxic gas is produced during a sewage bill? What does it smell like?

A

H2S

Smells like rotten eggs

45
Q

How many modes of steering are there?

A

5

46
Q

What are the five modes of steering?

A
  • Automatic
  • Follow up
  • Non-follow up
  • Trick wheel
  • Emergency
47
Q

Where is the automatic mode controlled from?

A
  • Bridge

* Pilot house

48
Q

Name of the watch is stationed aft steering during restricted maneuvering?

A
  • Helm safety O
  • Master helmsmen
  • Operator
  • Electrician
49
Q

Name of the watch stations in aft steering during normal operations

A
  • 2 helmsman
  • Steering gear operator
  • Steering gear electrician
50
Q

What is the maximum degree of deflection of the rudders?

A
  • 35° starboard and port

* 30° under normal conditions

51
Q

What are the maneuvering control circuit’s?

A
  • 1JV

* X1JV cross connected

52
Q

What is the restricted maneuvering doctrine for?

A

Operational philosophy for propulsion plan on maximum proportion and uninterrupted electrical power or vital for the safety of the ship

53
Q

What is the maximum speed of rudder movement?

A
  • 2 1/3 per second

* Full swing 35 degrees port to starboard in 30 seconds.

54
Q

What is the rudder speed for emergency steering?

A
  • 1/8 degree per second
  • 25 degrees port/starboard
  • 15 kts.
55
Q

What is the purpose of degaussing?

A

To reduce the magnetic signature of the ship

56
Q

How many deguassing coils do we have?

A

4

57
Q

What are the four coil’s?

A
  • A coil
  • M coil
  • FP-QP coil
  • FI-QI coil
58
Q

Where is the remote control panel located?

A
  • Bridge

* Pilot house

59
Q

What are the ratings for the Ship service turbine generator?

A
  • 4160 volts
  • 60 hertz
  • 1388 amps
  • 8 mega watts
60
Q

What are the ratings for the emergency diesel generators?

A
  • 4160 volts
  • 60 hertz
  • 347 amps
  • 2 mega watts
61
Q

What is 60 hertz power used for?

A
  • Electronic equipment
  • Radiators
  • Radio
  • Missile launching systems
62
Q

How many aircraft elevators do we have?

A

4

63
Q

What is the surface area of each elevator?

A

4000 square feet

64
Q

How many weapons elevators do we have?

A
  • 6 lower stage

* 3 upper stage

ESWS (14 decks)

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