MK1 and Below Flashcards
(277 cards)
What are you looking for on a 45 rbm reversing bucket inspection?
- Check to make sure the bucket does not knock against the steering nozzle when raised or lowered.
- The distance between the bucket and nozzle should be no less than 3/16 of an inch when down and centered.
45 rbm steering linkages should be snug? torqued? or should flex?
The bolts that secure the linkages are held in place with sealing compound. The bolts should NOT be snug up to the linkage joints to allow the joints to flex during linkage movement.
45 rbm propulsion pump shaft bearing l/o capacity?
The red gear pump capacity is approximately 2.8 gals.
What draws liquid from the bilge or service tank when processing oily waste? Vacuum feed pump? feed pump?
First stage gravity separator operates under a vacuum
A warning in MPC’s come before or after instruction?
Before
What are the operating options for the ows?
Auto and Manual
WMSL R/O system pressure should not exceed what PSI?
1,000 psi or 4.35 gpm product water flow irreversible damage can occur to the membrane assembly.
What indicates high pump oil needs to be replaced or what indicates that RO is dumping?
The master control center monitors and records high pressure pump operating hours and will automatically indicate when the pump should have its oil changed. It will illuminate CHECK UNIT light
After a 50 hr oil change in the high pressure pump how long after is the oil changed again?
Actual high pressure pump oil replacement frequency is every 500 hours or monthly, whichever comes first.
What size micron membrane filters the RO process?
The membrane array consists of one 20 micron and one 5 micron to reduce raw water particulate size to a maximum of 5 microns in diameter.
What is the operating pressure of an R/O?
Max operating is 1000 psi.
How often are most gauges in the CG calibrated? 12? 24? 36? 48?
Common calibration intervals are 12 and 18 months.
What is the last step when splicing a wire?
Wrap it and test for continuity.
To get the most power from two batteries they should be in what type of setup?
Batteries in parallel provide a higher current capacity while batteries in series provide a higher voltage.
Most common type of clutches?
Multi disc clutches, multi disc pneumatic clutches, synchro-self shifting clutches.
What manual describes management for refuse disposal onboard CGC’s?
The Vessel Environmental Manual
Jacket water testing should be done how often?
At a minimum jacket water should be tested monthly and whenever jacket water, inhibitors or antifreeze are added.
What hoses are not contained in a hose log?
- Outboard engine hoses and hoses internal to small engines on boats
- Fire hoses and other detachable water hoses covered in other programs.
How long does a cutter have to use fuel taken onboard?
6 month use limit
What is a CAT 2?
A deficiency in mission essential equipment that causes a partial degradation in any primary mission, or a major degradation or complete loss of a secondary mission.
Flash point of F-76 or JP5?
140 degrees F
What does OMSEP stand for?
Occupational Medical Surveillance & Evaluation Program
Double hearing protection devices are required at exposure levels ___ or greater?
104 dB
How do you choose the proper ring size used on centrifugal F/O purifier?
Fuels Specific Gravity