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M DIV ESWS PART 1
M DIV Esws Flash cards
| Question | Answer |
|---|---|
| MPDE | Main Propulsion Diesel Engine |
| MAKE AND MODEL of MPDE | Colt Pielstick model PC 2.5V, non-reversing, 4 stroke |
| WHAT TYPE OF ENGINE IS MPDE | 45 degree V-block engine |
| WHAT DOES BHP STANDS FOR. | BREAK HORSE POWER |
| HOW MUCH BHP DOES THE MPDE HAVE | 8500 |
| WHAT DOES RPMs | Revolutions Per Minute. |
| SSDG | Ships service Diesel Engine. |
| WHAT IS THE MAKE AND MODEL OF SSDG | Fairbanks Morris model 38ND8- 1/8 |
| How many cylinder, piston and and what type of diesel engine does SSDG have | 12 cylinder, 24 piston, opposed piston, 2 stroke diesel engine. |
| HOW MANY BHP DOES IT HAVE | 2235 BHP |
| HOW MANY RPMS DOES SSDG HAVE | 900 RPM'S |
| Air inflates boot allowing pressure to engage clutch shoes to quill drum, operates at how many PSI per how many Engine | Inflatable Air Flex Clutch 80-125 psi 1 per engine |
| what does the Air inflates boot do, How many psi does it operates and how many per MRG | allow pressure to engage brake shoes to quill drum.at 80-125 psi, 1 per MRG |
| Speed Limitations: 1 ENGINE PER SHAFT = | 20 KNOTS |
| 2 engines per shaft = | 24 knots |
| Trailing shaft = | 60% pitch 165 SRPMs |
| WHAT DOES SRPM'S STAND FOR | Shaft Revolutions Per Minute |
| MRG. | Main Reduction Gear |
| MRG MAKE . | Philadelphia co., dual pinion, double helical, single reduction, compound marine gear |
| MRG FUNCTION. | Acts as the power transmission and transfers high speed, low torque produced by the MPDEs into high torque, low speed |
| gear ratio of MRG. | Has a gear ratio of 3.15:1, meaning the pinion gears from the engines turn 3.15 times for every 1 rotation of the bull gear inside the MRG. |
| CPP . | Controllable Pitch Propeller |
| CPP FUNCTION . | Allows the ship to move full ahead to full astern without stopping or changing the rotation of the shaft, |
| The purpose of the CPP head tank. | maintain static pressure on the hub and holds up to 60 gallons of lube oil. |
| what does HOPM stand for. | Hydraulic Oil Power Module |
| WHERE IS THE HYDRAULIC POWER MODULE LOCATED. | Located adjacent to the MRG |
| FUNCTION OF THE HOPM. | supplies pressure regulated oil to the hub servo oil and auxiliary servo control oil piping and then to the OD (Oil Distribution) box. |
| MRG HAS TWO PATHS WHAT ARE THE TWO PATHS. | : 1) power oil to propeller hub. 2) control oil to OD box. |
| FUNCTION OF THE Line Shaft Bearings . | Used to maintain proper alignment and support weight of shaft |
| HOW MANY Line Shaft Bearings ON BOARD AND WHERE ARE THEY LOCATED. | There are 9 total; 6 on starboard shaft and 3 on port shaft. |
| Absorbs the axial thrust from the propeller and transmits’s that thrust to the ship's structure (hull of the ship) to move ahead and astern | Kings bearing thrust bearing |
| located outside skin of ship made of rubber lubricated by sea water | Strut bearing |
| HPAC | High Pressure Air Compressor |
| HPAC MAKE AND MODEL. | Dresser Rand |
| operating pressure OF HPAC | 2700 to 3000 psi |
| HOW MANY REDUCERS FOR REDUCING HIGH PRESSURE TO MEDIUM FOR STARTING AND STOPPING ENGINES | 4 |
| HOW MANY PRESSURE FOR STARTING MPDE HPAC | 3000-425 |
| HOW MANY PRESSURE FOR STARTING AND STOPPING RANGE. | 3000-200 |
| starting stopping SSDG HPAC RANGE | 3000-250 |
| Low pressure back up HPAC RANGE | 3000-80 |
| LPAC | Low pressure Air Compressor |
| LPAC MADE BY | Rix. Nr1 |
| WHERE IS LPAC LOCATED | Nr1 is in Aux 1 Nr 2 & 3 are located in Aux2 |
| LPAC modes of operation are- Lead | 125-115 |
| LPAC MODE OF OPERATION LAG ***- **** | 120-110 |
| LPAC MODE OF OPERATION STANDBY | 115-105 |
| Lubricated by potable water, seawater cools heat exchanger | potable water |
| Compressor is oil free LP air is separated into two categories | Vital and non-Vital |
| WHAT IS Vital air used for. | clutch, brake and radars |
| Non-vital air | Pneumatic tools |
| what are the two types of Lube oil | SAE 40 and 2190 |
| what does Lube Oil Storage Tanks hold. | Holds brand new oil. |
| Lube Oil Settling Tanks | Used for old oil. Settling tanks have heaters in them to keep the oil warm and separate the oil, water and particles. |
| Lube Oil Purifier | Separates the water out of the oil and other small particles. 3 phases light medium and heavy. |
| Online Purification | MRG, CPP, And MPDE’s |
| Offline Purification | HPAC’s, LSB’s And SSDG’s |
| 2190 - 2000 series | hydraulic lubricating oil used for MRG, CPP, line shaft bearings, HPACs |
| Lube Oil Testing | Clear and Bright (absence of sediment and visible free water). |
| WHAT IS SAE 40 USED IN AND WHAT IS IT FUNCTION. | Used in MPDE’s, SSDG’s to cool, clean, lubricate and seal |
| Reverse Osmosis unit functions and where is i located . | takes sea water from fireman and runs through 20 micron then to 3 micron filter to pump suction to increase pressure to high pressure 700-1000 psi then trough 6 membranes to make fresh water max capacity is 36000 gallons a day Nr 1 MMR1, Nr2 MMR2 |
| How many Potable Water tanks | 6 potable water tanks |
| How many water does each potable water tanks hold and where are they located. | 8000 gallon tanks in AUX 1 & 2 - 6000 gallon tank in Main 2 |
| How many potable water pumps | 3 |
| Where are the potable water tanks LOCATED ON PORT SIDE. | 1&2 are in Aux 1 and 3 is in Main 2 |
| How many PSI and GPM in potable water pumps | 85 psi, 195 GPM (Gallons Per Minute |
| How many brominators on board | 3 |
| Where are the brominators located | 1&2 are in Aux 1 and 3 is in Main 2 |
| What is the function of the brominator | kills bacteria in water |
| what is the allowable limit of bromines. | Allowable limit of bromine is 0.2 - 2.0. |
Created by:
akeel