Term
| What type of Boilers? and how many? location? |
|
Definition
| (2) 600 psi D-Type in fire room |
|
|
Term
| Temp and reason for Superheater? |
|
Definition
| heats steam from boiler to 750-875 degrees |
|
|
Term
| Economizer operation? feedwater Temp? how Many? |
|
Definition
| preheats feedwater from DFT before it goes into steam drum. comes in at 250 leaves at 350-450. 1 per boiler |
|
|
Term
| Black smoke? how long to fix? |
|
Definition
| to much fuel, 2 min to shut boiler off |
|
|
Term
| white smoke? How long to fix? |
|
Definition
| to much air, 1 min to shut boiler off |
|
|
Term
| how many Burner fronts? what fuel? |
|
Definition
| 3 per boiler uses F-76 diesel |
|
|
Term
| Forced Draft Blowers. How many? what type? reason for each? |
|
Definition
| 6 total 3 per boiler, 2 steam driven and 1 electric driven. provide combustion air, electric is for start up. |
|
|
Term
| Main Feed Pump. How many? Purpose? |
|
Definition
| 2 turbine driven pumps, increase pressure to boiler to 800 Psi. |
|
|
Term
| Main Feed booster pump. How many? operation? purpose? |
|
Definition
| 3 pumps gravity fed from DFT, Maintains positive suction and pumps water to main feed pump |
|
|
Term
|
Definition
|
|
Term
| DFT Purpose? Temp and Pressure? |
|
Definition
| stores feed water, preheats and de-aerates condensate. 15 psi 250 degrees. separates condensation and feed. |
|
|
Term
| frank cable use what fuel? |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| thrust shaft, line shaft, stern shaft, tail shaft |
|
|
Term
|
Definition
| holds and supports the shaft. |
|
|
Term
|
Definition
| keeps water from coming in the back end of ship. |
|
|
Term
|
Definition
| holds and supports the weight of propeller. |
|
|
Term
|
Definition
| provides axial movement of the main shaft. |
|
|
Term
| Main Air Ejector purpose? |
|
Definition
| remove air and gases from main condenser, sends water to DFT. |
|
|
Term
| Main condenser operation and purpose? |
|
Definition
| condenses steam using sea water, 2000-1000 tubes, single pass heat exchange. |
|
|
Term
| what two sources used to condense steam? |
|
Definition
| Scoop injector and main circulation pump |
|
|
Term
| Distilling plants (evaporators) how many? purpose? operation? type? |
|
Definition
| 2 onboard, provide fresh water. 6 stage flash type |
|
|
Term
|
Definition
| boilers, R-5, potable water |
|
|
Term
| types of distilling plants? |
|
Definition
| flash type, reverse osmosis, submerged tube, |
|
|
Term
|
Definition
| ships service turbine generators |
|
|
Term
| SSTG ( ships service turbine generators) how many? purpose? location? |
|
Definition
| provides power to the ship, 4 in engine room |
|
|
Term
| Capacity of SSTG (ships service turbine generator)? |
|
Definition
| 1200 RPM 4009 Amps 2500 Kwatts 450 volts 3 phase 60hertz runs off main stream |
|
|
Term
| EDG (emergency diesel generator) Type?Location? Purpose? |
|
Definition
| 1 fairbanks morris 8 cylinders, 16 pistons. provides emergency power if SSTG fails. aft of galley fWD of ships store 2nd deck. |
|
|
Term
|
Definition
| 1604amps 1000kilowatts 440volts 3phase 60hertz runs on F-76 |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| HPAC (high pressure air compressor) How many? Psi? Purpose? |
|
Definition
| 3 HPACs 3000Psig supply air to ship whistle, dive chamber, scba refil, EDG air flasks |
|
|
Term
| LPAC (low pressure air compressor) how many? Psi? Purpose? |
|
Definition
| 3 LPACs 115-125 Psig, provides air to automatic boiler contrls, and pnematic tools. |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| used for cooling and warming main engine. |
|
|
Term
| A/C units how many? Refrigerant used? purpose? |
|
Definition
| 3, 250 ton centrifugal compressors, R-236FA refrig, provides chill water to overhead A/C |
|
|
Term
| Refer units How many? Type? |
|
Definition
| 3, 8 ton reciprocating type compressors uses R-134 refrid |
|
|
