General Engineering Flashcards

1
Q

What are the auto shutdown criteria?

A
  • GTM L/O drops to 6 PSI.
  • GG Hits 6 mils.
  • PT Hits 10 mils.
  • PTIT exceeds 1625* F.
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2
Q

GTG Specs?

A
  • 4009 AMPs
  • 60 Hz
  • 450 Vtz
  • 2500 Kw
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3
Q

LP Air Usage?

A
  • Module vent dampeners.
  • PT Brake.
  • Blow-In doors.
  • Leslie Valves.
  • Hanger doors (electric and pneumatic).
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4
Q

Who signs MLOCS?

A
  • CO
  • XO
  • CHENG
  • MPA
  • Personnel who complete required maintenance.
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5
Q

AUX1 Frame #?

A

126

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6
Q

MER1 Frame #?

A

174

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7
Q

AUX2 Frame #?

A

220

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8
Q

MER2 Frame #?

A

254

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9
Q

Shaft Alley Frame #?

A

300

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10
Q

3 Gen Frame #?

A

338

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11
Q

MGTEC Conditions?

A
  • T5.4 over 1000*
  • GG over 8000 RPM.
  • No 5 minute cool down after shutting down GTM/GTG.
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12
Q

Where are the Full Power Run procedures?

A

MUFP

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13
Q

What are the parameters of the APD?

A

Auto Parallel Device
30* of Phase Angle (15* each direction).
0.2Hz
0.5V

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14
Q

What is the most important space to save?

A

MERII
Both shafts.
2 GTG, and fuel tanks for 3 GTG.
2 LPACs.

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15
Q

What is important to remember about starting 3 GTG?

A

To open vent casing on SWS pump, to release built up air.

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16
Q

What is the over speed alarm for GG?

A

9700 RPM

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17
Q

What is the max speed of the GG?

A

10,122 RPM, requires overhaul.

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18
Q

What is the over speed alarm for PT?

A

3852 RPM

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19
Q

What is the over speed trip for PT?

A

3960 RPM

20
Q

What is max PT speed?

A

5,585, requires overhaul.

21
Q

What is high vibes alarm and trip for GG?

A

6mils, 7mils

22
Q

What is high vibes alarm and trip for PT?

A

7mils, 10mils

23
Q

What is high TIT?

A

1600* alarm, 1625* trip.

24
Q

What is low L/O alarm and trip on GTM?

A

15 PSI, 6 PSI

25
Q

What is the LOSCA low sump alarm?

A

9.6 gallons

26
Q

What are the SWS pumps rated at?

A

1450 GPM, 35 PSI

27
Q

Loss of power restoration priorities?

A
  1. Power to SWBD and LC.
  2. Firemain.
  3. Sea Water Cooling.
  4. AC’s and Chill water.
  5. LP Air.
  6. L/O Service.
  7. F/O Service.
  8. Propulsion systems.
28
Q

What is the most restrictive quiet ship?

A

Q1

29
Q

Which quiet ship is for extended periods of time?

A

Q2

30
Q

What GTMs do we use during Q1?

A

2A, 1B

31
Q

What LOSPs do we use during Q1?

A

1A, 2A

32
Q

What FOSPs do we use during Q1?

A

1A, 2B

33
Q

Which GTGs do we use during Q1?

A

1 & 2

34
Q

Which ACs do we use during Q1?

A

1 & 2

35
Q

Which sea water service pumps do we use during Q1?

A

1 & 2, (and 5 for Q2)

36
Q

Which fire pumps do we use during Q1?

A

3 (and 4 for Q2)

37
Q

What LPAC do we use for Q1?

A

2 LPAC

38
Q

Which HPUs do we use for Q1?

A

1B, 2B

39
Q

How many ROs do we have?

A

2

40
Q

How many potable water tanks and their capacity?

A

4, 4,000 gallons each.

41
Q

How much do our are ROs produce each day?

A

12,000 gallons each.

42
Q

What should be avoided with potable water hoses and fittings?

A

They should not be submersed in non-potable water at any time.

43
Q

What color are potable water hoses?

A

Blue, used for potable water only.

44
Q

What is the minimum residual required for potable water?

A

0.2 ppm after 30 mins in tanks.

45
Q

What is the minimum residual required for potable water where amebiasis or hepatitis is epidemic or unapproved source is used?

A

2.0 ppm after 30 mins in tanks.