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Engineering Flashcards

1
Q

What are the 4 phases of the basic steam cycle

A

Generation, Expansion, Condensation and Feed

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2
Q

Explain Generation phase

A

Convert water into steam in the boiler making 600main and 600Aux

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3
Q

Expansion phase?

A

Converts thermal energy into mechanical energy by using the main engine and the SSTGs

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4
Q

Condensation phase?

A

Converts Steam to liquid by using the main condenser. Which is the stored in the hotwell. Condensate pumps takes suction from hotwell then through Air Ejects to rid of air and non condensable gases. Then goes to DFT

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5
Q

Feed Phase?

A

Converts condensate into feed

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6
Q

Five components of basic refrigeration cycle

A

Compressor, condenser, receiver,Thermal Expansion Valve and Evaporators

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7
Q

Deaerate Feed Tank (DFT)

A

Stores, preheats, & deaerates feed water. Feed water then goes to the boiler using MFBP or MFP

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8
Q

How many DFTs onboard and locations

A

2 DFTs
1 is in AFT MMR
2 is in FWD MMR

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9
Q

How many boilers onboard and locations

A

2 Boilers
1 is in AFT MMR
2 is in FWD MMR

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10
Q

What kind of boiler is onboard and why is it called that?

A

D-type 600lb modified to 700lb. Its called D-Type cause the tubes on the fireside of the boiler is shaped like a D

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11
Q

Where is 600 main steam used?

A

The main Engine and SSTG

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12
Q

Where is 600 Aux steam used?

A

Ex.Main Feed Pump (MFP), Fire Flushing Pumps (FFP), Main Feed Booster Pumps (MFBP), &Forced Draft Blowers (FDB)

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13
Q

How many shafts ?

A 
2 shafts
Port shaft (longer)
STBD shaft (shorter)
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14
Q

Ships Service Turbine Generator (SSTG).

How many are onboard and locations

A

5 SSTGS
1&2 are in FWD MMR
3 is in AMR
4&5 are in AFT MMR

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15
Q

Parameters of the SSTGs?

A

60 Hz
450V
2500kw
4009Amps

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16
Q

Emergency Diesel Generators (EDG).

How many are there and locations?

A

2 EDGs
1 FWD Diesel Generator Room
2 AFT Diesel Generator Room

17
Q

Parameters of EDG

A

60Hz
450V
2000kw
3200Amps

18
Q

Deballasting Air Compressor (DBAC).

How many are there and locations?

A

6 DBACs
1&2 FWD Compressor
3&4 AMR
5&6 By lower level Aft Diesel

19
Q

High Pressure Air Compressor (HPAC)

How many are there and locations?

A

2 HPACs
1 FWD Compressor
2 AFT Compressor

20
Q

Low Pressure Air Compressor (LPAC)

How many are there and locations?

A

5 LPACs
1&2 FWD Compressor
3 AFT MMR
2&5 AFT Compressor

21
Q

AC Units

How many are there and locations?

A

6 AC Units
1&2 FWD Diesel
3&4 AMR
5&6 Under LC 36 (by COs Ladderwell)

22
Q

Elevators

How many are there and locations?

A 
8 Elevators
1 underneath MA Shack
2&4 in upper V
3 in messdecks
5&6 in hangerbay
Port Ace
STBD Ace
23
Q

How many water heaters?

A

13

225 (9 decks)

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