Term
| An input/ output card is a PCB specifallydesigned to interface with what? |
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Definition
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Term
| A cable that connects one device to another device or power source? |
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Definition
| Pin Connector or Cannon plug |
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Term
| When tracing schematics where do you begin? |
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Definition
with a single component that you are familiar with. |
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Term
How are Coast Guard drawings numbered? |
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Definition
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Term
| ESD sesnsititve componets may be protected by what methods? |
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Definition
| Grounding, Isolation, Prevention |
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Term
| Bromine is highly toxic and a highly reactive What? |
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Definition
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Term
Where exposure to dust or mist is apparent what may be worn. |
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Definition
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Term
| Should you come in contact with Bromine on your skin or eyes you should flush the area for how long? |
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Definition
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Term
| Chlorine is what kind of chemical? |
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Definition
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Term
| What should be done to ensure that the potable water is free from microbial contamination? |
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Definition
| trace readings chemical test or Colormeter |
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Term
| What is the first dose of halogens that is to bw added to a potable water system? |
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Definition
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Term
| The amount of chlorine and bromine required can vary widely beacuse? |
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Definition
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Term
| Bromine level exceeding what should not ingested. |
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Definition
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Term
| If the amount of bromine exceed the acceptable level what should be done? |
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Definition
| Dillute the water, allow bromine to naturally dissipate |
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Term
| Ph levels could be affected id the ph is above (what) , and if chlorine was used to disinfect it? |
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Definition
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Term
Ph levels are affected when there is a ph level of (what) and bromine is used as the disinfectant? |
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Definition
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Term
An automatic proportioning brominator is installed where? |
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Definition
| In the distillate discharge line |
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Term
| When does the recirculating brominator treat the potable water? |
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Definition
| when bromine residual degrades below the acceptable level. |
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Term
What is wired to the system indicator light to turn off the light if the flow rate is inadequate? |
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Definition
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Term
| When is the system operating indication light on? |
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Definition
| when the system is operating |
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Term
The feeder assy is basically a pressure vessel thaat houses what? |
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Definition
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Term
The chlorine disinfection method is considered the least desirable because it can? |
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Definition
| over Chlorinate, and expose p/w to contamination |
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Term
| The most common air compressor in the coast guard is what? |
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Definition
| reciprocating air compressors |
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Term
| reciprocating air compressors have what kind of pump? |
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Definition
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Term
| What will decrease the high unusable air pressure into a lower usable pressure. |
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Definition
| Pressure regulator/reducer |
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Term
| Designed to change air pressure without the changing of the air compressor? |
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Definition
| Pressure reducing station |
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Term
| Allows you to remove a compressor from operating or shift to and help a struggling compressor. |
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Definition
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Term
| The air pressure for the starting system is what? |
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Definition
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Term
| Will act as a muffler by reducing the soud level leaving the starter motor? |
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Definition
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Term
| Normally an air bank has a minimum capacity for --- cold start and --- hot starts with out recharging |
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Definition
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Term
| The heat of compression caused bya sudden high pressure flow int an empty line or a vessel can cause an explosion if (WHAT) is present? |
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Definition
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Term
| The rate of pressure rise when opening a valve should be kept below( ) per second? |
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Definition
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Term
| What should be done before working on any compressor? |
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Definition
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Term
| How often do you perform p/w test. |
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Definition
| Daily, before receiving water,after negative readings |
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Term
| What needs to be excluded from the R/O in order to make pure water? |
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Definition
| Constituents with amolecular weight greater tha 150 -250 Daltons |
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Term
| What percentage of seawater passes directly through the Membrane? |
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Definition
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Term
| How many psi is need on the water side for a r/o to make pure water? |
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Definition
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Term
| How many psi is needed on the sea water side of the R/O? |
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Definition
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Term
| What open to send sea-water back to the feed source? |
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Definition
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Term
| The centrifugal seperator is designed to remove 98 percent, by weight, of seperable solids through what? |
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Definition
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Term
| In a r/o system what does the carbon filter do? |
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Definition
| removes bromine and chlorine which bad to the polyamide membrane |
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Term
| This is installed anytime a connection is made between a potable water sytem and any nonpotable water system? |
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Definition
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Term
| What does a centrifugal pmp ensure in the R/O system? |
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Definition
| it maintains positive pressure |
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Term
| Fresh water is collected in the permeate support tube along the centerline of the Module system and discharged from the vessel at what psi? |
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Definition
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Term
| The dump valve opens when? |
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Definition
| Sensed by the salinity monitor |
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Term
| R/o unit controls and instruments may be arranged into three assemblies? |
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Definition
| Main control panel, Salinity indicating panel, gauge panel |
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Term
| Where would you find additional info on pressure gauges? |
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Definition
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Term
| Is a device that controls a machine based on the input received from that machine. |
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Definition
| Programmable logic controller |
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Term
| Make sure all pressure relief valve discharges are unobstructed and the relaeased fluid goes where? |
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Definition
| to a low pressure are and clear of personnel |
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Term
| It continuously monitors the permeate water conductivity by means of the Blank and is mounted where? |
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Definition
1. salinity cell 2. upstream of the dump valve |
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Term
| This is used to remove oil.grease, biological matter and grime from the surface of the membranes? |
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Definition
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Term
| This houses the filtering devices and is where the seperation takes place. |
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Definition
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Term
| are mounted on the discharge side of the supply pumpand on each pressure vessel. |
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Definition
| Pressure differential gauges |
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Term
| in the first stage, a progressive cavity posittive displacement pump is used to create a vacuum. |
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Definition
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Term
| the pressure valve on a owssytem is set at what? |
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Definition
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Term
| What should be done if the amplifiyer board, incadecent lamp,or the photo diode is replaced |
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Definition
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Term
| never reuse a bearing if it what. |
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Definition
| appearsto be in poor condition |
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Term
| What charging system uses magnets bonded to the flywheel rtating around stationary coils to produce electricity? |
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Definition
| Permanent Magnet altenator |
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Term
| This alternator had a rotor that is a electromagnet energized by the battery and is belt driven? |
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Definition
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Term
| What are the two type of systems used on outboard engines? |
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Definition
| transistor magneto, capacitive discharge ignition |
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Term
| What should be done if there is damage to either the inlet needle or float valve seat. |
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Definition
| They both should be replaced as a set |
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Term
| When conducting a engine performance test the lube oil and the jacket water should be with in how many degrees of what they are at normally? |
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Definition
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Term
| What controls the engines fuel rack. |
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Definition
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Term
| Controls the flow of oil to or from the power cylinder assembly? |
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Definition
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Term
| The compensationsystem stabilizes the goveerned system using a |
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Definition
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Term
| on govenors with load limits knob the knob should be set at what before turning the govenor shaft. |
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Definition
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Term
| All injection pumps should read ( ) rack at the no fuel position. |
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Definition
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Term
The dump valve is automatically activated when permeate water conductivity rises above the preset limit, which is?? |
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Definition
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Term
| After R/o membrane filters are cleaned with alkaline and acid cleaner, they should be what?? |
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Definition
| Flushed with non chorinated fresh water |
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Term
| As air enters the system the water level drops allowing the blank to fall and the OCA secure the system? |
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Definition
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Term
| Any vessel 26 feet or greater shall have this in a Non conspicous place? |
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Definition
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Term
Effluent shall be limited to no greater than Blank of oil when Blank miles from the coast line? |
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Definition
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Term
| If 15 ppm if impossible to obtain the maximium allowed concentration is Blank? |
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Definition
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Term
| Charging system convert Blank into Blank, which is needed to operate the loads in the boats electrical. |
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Definition
Mechanical energy electrical energy |
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Term
| Low compression in one cylinder indicates what in an outboard? |
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Definition
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Term
| low compression in teo adjacent cylinders indicates what? |
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Definition
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Term
| Low compression in all cylinders indicates what? |
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Definition
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Term
| The amount of fuel to be injected by each injector is set by a mechanical linkage called the What? |
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Definition
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Term
| the rate at which the pressure differential in the govenor is reuced to zero depends on the ? |
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Definition
| Compensation needle valve |
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Term
| If the dimensions in a govenor are not 2 3/16 inches you adjust what? |
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Definition
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Term
| If you come in contact wit chorine you flush your eyes and skin for how long? |
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Definition
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Term
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Definition
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