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177 Cards in this Set
- Front
- Back
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MOGAS NATO CODE NUMBER
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F-46 |
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OCTANE NUMBER FOR MOGAS |
RESEARCH METHOD- 91 |
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JP-5 NATO CODE NUMBER |
F-44 |
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FASH POINT OF JP-5 |
140 (F) |
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WHAT IS SPECIFIC GRAVITY? |
THE RATIO OF THE WEIGHT OF A VOLUME OF FULE |
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WHAT IS THE FREEZING POINT OF JP-5? |
-51 F |
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WHAT ARE THE TWO UNITS OF MEASURMENT TO DETERMINE THE SIZE OF FUEL CONTAM?
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COARSE & FINE |
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WHAT ARE SOME TYPES OF CONTAMINATION IN FUEL?
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WARE, PARTICULATE MATTER, MIRCROBIOLOGICAL GROWTH, EMULSIONS |
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TWO MILIPORE FILTERS ARE USED FOR WHAT SPECIFIC REASON?
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to increase the accuracy and to eliminate any fuel color effect
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WHAT TYPE OF LIGHT SOURCE IS USED IN THE FREE WHATER DETECTOR?
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ultra-violet
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On the pensky-martens tester, after turning off the stirrer, you want to apply the test flame to find out the flash point of the fuel... what controls the shutter and the flame burner?
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the knurled hand knob |
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the pensky-martens tester uses a flame, what is used in the NAIFLASH method?
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an electric spark
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what is used to calibrate the NAVIFLASH tester?
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N-dodecane
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what is the minimum level of FSII required for the SH-60? |
0.03%
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at what % of FS-II in the fuel do you notify the pilots of transient and visiting foreign military aircraft?
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0.07%
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the specific gravity test is used to determine what property of aviation fuel? |
the correct size discharge ring for the purifier
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how much fuel would you need to perform a specific gravity test?
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2/3 full of a standard fuel sample container
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what JP-5 filling system is used to receive fuel on board the ship? |
the fill and transfer system
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what are the two types of filters in the reclaim system?
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pre-filter and filter separator
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which of the two independent stripping systems has a tail pipe extending 3/4 inch off the bottom of its tank?
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hand operated stripping system
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which JP-5 fueling system is used to deliver ccbJP-5 to aircraft on the flight and hanger decks?
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JP-5 service system
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when is the service systems service pump used to cross-connect with the transfer pumps suction header?
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if the service pumps are used for off-loading JP-5
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what system is used by an ABF to supply fuel to AIMD's Jet Test Shop for trouble shooting aircraft jet engines?
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the jet test system
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which JP-5 system is used to fuel diesel generators, boilers, small boats, and tractors?
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the jp-5 auxiliary system
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what are two main purpose of the wearing rings of the centrifugal service pump?
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minimize leakage between the discharge and suction chambers and allow for wear between the impeller and pump casing
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what is the function of the mechanical seals of a centrifugal service pump?
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they guard against leakage from the pump and prevent air from entering the shaft casing
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in the JP-5 fuel system, what type of pump is used as a transfer pump, stripping pumps and flight deck pumps?
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blackner positive displacement rotary vane pumps
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what is the rated capacity and operating pressure of the transfer pumpused in conjunction with the Model B214AS-300 purifier?
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300GPM at 50PSI
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what type of material are the sliding vanes to the rotary vane pump? |
palamite
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what component of the rotary vane prevents leakage from occurring between the cylinder heads and cylinder? |
the head O-rings
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which type of flexible pump coupling uses a gasket and two seal rings fitted to its covers to prevent grease leakage?
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the flack type F steelflex coupling
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the butterfly valve use what kind of seat that is pressure energized to assure positive shutoff, compensates for pressure and temp change, as well as wear?
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it uses a single-piece flexible polymeric seat
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the limitorque valve operator uses what component to protect overloading valve parts from torque stress exerted and thrust load applied?
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the torque limit switch
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what component of the limitorque valve operator regulates the vertical travel of the valve stem?
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the travel nuts
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the hand wheel clutch of the limtiorque valve operor allows for what operation to the limitorque?
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manual operation of the valve
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what type of valve uses a disk that is pinned-hinge to the valve body by gravity under "no-flow" conditions? |
the swing-check valve
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what are the two types of packing uses for packing gland leakage? |
string and ring type
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what type of material is similar to a double valve manifold; only its nozzle, instead of connecting to a transfer main-side valve, it connects each valve on the manifold to each other? |
single valve manifold
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what component of the flood & drain manifold has a long piece of metal containing three keyhole slots that slide to the desired position in order to operate one valve as a time on the manifold? |
the sliding lock-bar
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what provides a tight seal at both ends of the standpipes on the element mounting assemblies?
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the projecting knife-edges
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when installing filter elements on the mounting assembly, what is the correct value od torque applied?
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12 foot pounds or 144 inch-pounds
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where are daily fuel samples drawn from on the service fuel filter? |
outlet (clearwell) chamber and at he filter sump
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how often are samples drawn from the outlet chamber for lab purposes?
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initial flow, every 4 hours, whenever you change tanks, and when requested by the fuel lab
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what two hydraulic control valves to the filter hydraulic system are located in the filter discharge line? |
the automatic shutoff valve and the pilot valve
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the ball float is connected to the rotary valve that has four ports, where and what are they? |
1) Drain port (vent): on the water drain line 2) connected to the diaphragm in the pilot valve 3) connected to the top of the diaphragm in the automatic water drain line 4) the supply connection, connected to the top of the rotary inside the filter |
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what was the main purpose in the addition of the "X-75 float tester"? |
provides a means of mechanically operating the float control valve, causing the automatic drain to open or close under normal flow conditions, therefor not contaminating the system with water
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what is the rated capacity and operating pressure to the first-stage (reclaim) filter? |
300GPM at 150 PSI
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what is the inlet pressure to a 300GPM purifier?
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between 15-25 PSI
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what type of flexible hose directs seal-water inlet from the fresh water supply into the purifier?
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a steel braided jacked flexible hose |
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the worm wheel gear is key to the drive shaft, it engages what component located at the base of the spindle assembly to drive the purifier bowl? |
the worm quill |
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how does the operator determine the purifier bowl is spinning at full speed by utilizing the speed counter?
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the speed bump cap should bump the persons finger between 146-152 times per minute |
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how many intermediate disks are provided with a purifier?
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186 disks
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when screwing the feed tube assembly into the paring disk, how many turns is required to ensure that feed tube and paring disk are properly engaged?
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3 to 3.5 complete turns |
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what maximum degrees are aloud for the coupling ring alignment mark to pass the aligning mark on the bowl top?
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20-25 degrees |
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what does is mean if there is nothing discharging through the bull'seye sight glass?
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the purifier discharge ring is too large
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how much psi should be applied when loosening the coupling ring so you can turn the manual coupling ring by hand freely?
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7,800PSI |
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what kind of gauge is normally installed on the suction side of JP-5 pumps?
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a compound gage
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what are the four types of JP-5 tanks?
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wing, double bottom, deep centerline, and peak
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what two major categories are JP-5 tanks grouped? |
storage and service |
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what kind of JP-5 tank is a relief tank for the rest of the nest as an added safety feature and prevents rupturing due to over pressurizing from filling operations? |
overflow tanks |
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the voltage divider network to a gem TLI transmitter assembly is connected to a power supply output that is adjusted to how many volts?
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10 volts d.c. |
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at what intervals of float travel will the voltage drop be read at the receiver?
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at every 1/2 inch of float travel |
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the primary receiver housing of a TLI system allows for connections to secondary receivers. what will these secondary receivers contain?
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an indicating meter only |
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what component of the primary receiver controls the actuation of the high and low level alarms inside a JP-5 tank?
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the send-pak alarm |
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the electrical sloch dampener of the primary receiver delays the response of the transmitter signal to the meter to compensate for erratic float movement caused by sloshing inside the tank. how much of a delayed response is it set for?
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3/4 seconds |
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what component of the primary receiver allows for the calibration of the power supply output to 10 volts d.c.? |
calibrated potentiometer
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which component of the JP-5 control console allows for the starting and stopping of service pumps? |
control switches
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seawater cleavage indicator lights |
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what are the three operational stages to the AFOSS? |
division officer copy, work center copy, work station copy
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what kind of information is contained in the AFOSS? |
operational procedures for fueling evelutions |
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what kind of sample would you take if you thought there was entrained water in a tank? |
a composite sample |
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what factors will determine the duration od a filling/replenishing at sea operation? |
the amount of fuel needed, your ships max receiving rate and tankers normal pumping rate |
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what kind of information is contained in the sounding AFOSS? |
the location of the sounding tube, capacity of tank at 80%, 90%, 100% in feet and inches
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what are the acceptable requirments for sediment levels from shore tankers? |
8.0 milligrams per liter
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IAW stripping procedures storage tanks must be stripping of all water and sludge using the motor-stripping system. what are the requirements for stripping the storage tanks?
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2) day after receiving jp-5 3) weekly there after 4) the day before purifying into service tanks 5) immediately before purifying into service tanks |
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what two primary functions of the CLA-VAL will cause the main valve component to shift from fuel to defuel mode or vice versa?
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1) by energizing or de-energizing the solenoid pilot valve, turning the defuel pump on and off 2) as well as excessive fuel delivery pressure to the main valve |
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what is the effective range of spring tension that the pressure relief control valves can be adjusted to?
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the compression spring fir the relief control valves can be set from 20-70 PSI |
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what is the size of monel screen to the orifice plug in the ejector strainer?
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the screen is 60 mesh-monel
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what is the requirement for the SOPV, in order for it to be used in hazardous locations? |
it must be housed in an explosion- proof case |
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where is the flow control valve (needle valve) situated on the CLA-VAL unit?
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its installed in the line between the ejector-strainer and the fuel valve cover chamber |
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what valve of the CLA-AL controls the speed at which a fuel hose charges when refueling aircraft? |
the flow control valve (needle valve) |
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whose permission is required if for some reason the SOPV has to be manually operated? |
the TYCOM (type commander) |
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how is the nozzle strainer to a D-1 (SPR) nozzle held in place in the nozzle adapter?
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by a snap ring that fits into a recessed groove inside the male end of the adapter
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what is used to provide a means of attaching the fuel nozzle to the hose?
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the quick disconnect coupling |
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what is provided on the nozzle body to allow for obtaining fuel samples? |
the nozzles have a plugged sampling port that accepts a sampling coupler and actuator assembly |
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what are the two most widely used SPR pressure fueling nozzles in the fleet?
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the JC Carter and Whittaker nozzles |
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what component of the D-1 nozzle prevents leakage at the connection when it is attached to the aircraft refueling adapter? |
the nose seal assembly |
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what component of the nozzle interconnects the operating linkage and the poppet to ensure fuel nozzle opens and closes?
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the flow control lever |
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what component has been introduces into the fleet to augment pressure-fueling nozzles, designed specifically to prevent excessive pressure in the aircraft fuel piping? |
the hose end pressure control valve
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why is it that gravity nozzles are referred to as valves?
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the nozzle control handle is actually is actually a means for controlling fuel flow rate and when you release the control handle, the flow of fuel stops. not unlike as actual valve.
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what is used to insulate the swing joint amphonel stud that also prevents it from completely grounding out?` |
a brass brushing
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what component of the fuel/defuel valve places it in the defuel mode if continuity is interrupted?
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the solenoid operated-pilot valve |
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what is the preferred type of JP-5 defueling hose afloat?
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the 1-1/2 inch size non-collapsible hose |
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what has to be done to new hoses prior to placing them in service? |
the must be hydrostatically tested and flushed for an acceptable sample |
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consistent loss of continuity to a non-collapsible hose is an indication of what possible problem? |
the hose quite possibly has stretched enough to break the static wire rendering it useless
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when performing cut back maintenance to a fuel hose, how long should the continuity wire be to compensate for hose stretch?
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the continuity wire should always be 10-20 inches longer than the hose |
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what must be present in order for the nozzleman fueling an aircraft to have positive control of fuel flow at the refueling nozzle?
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electrical continuity |
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what is the rated capacity of the defuel pump and at what psi?
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100 GPM at 15 PSI |
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what kinds of portable pumps are used on most defuel cart and plane-to-plane fuel transfer cart, and what type of system is used to power these pumps?
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an air-motor-driven internal gear pump or an air twin-diaphragm pump, either pump can be operated from the ships low pressure air system |
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what type of pump is the most widely used in the application of the defuel cart and plane-to-plane fuel transfer cart?
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a wilden M-8 diaphragm air-operated pump |
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what must be installed on a plane-to-plane fuel transfer cart in order for an aircraft to aircraft fuel transfer to take place?
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a suitable fuel-filtering unit |
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the velcon aquacon filter cartridges have a positive shutoff design. explain? |
the filter cartridge will swell shut, preventing any water laden fuel from passing through the filter
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the velcon aquacon filters is designed to remove how much free and smulsified water from jp-5? |
designed to remove free water down to less than 5 ppm
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what is the primary means of communication between flight deck personnel (pilot to refuel team) during flight ops? |
hand signals |
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who's responsibility is it to make fueling assignments using information/n from the ACHO and the CAG maintenance chief |
the aviation fuels flight deck control talker
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what mobil fire-fighting equipment is manned during any type of refueling operation? |
the P-25 fire fighting unit
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besides the refueling crew members; the crew leader, station operator, and refueling crewman. what other vital member must be present in order for the refueling evolution to begin? |
the plane captain
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if an aircraft fails pre-check, when can it be cold refueled (engine off)? |
only if procedures are specifically contained in that particular aircrafts natops programming
manual |
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who is the pilot to maintain radio contact with during hot refueling operations? |
the air boss in pro-fly |
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when, if ever, can an aircraft be hot refused with the canopy open? |
only on ships that operate the AV-8B |
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which type of refueling operation is only allowed with an overwing (gravity) nozzle? |
cold refueling, with an engine off |
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why is it important to ensure that proper grounding procedures be followed and maintained without deviation during refueling with an overawing nozzle? |
the possibility of a dangerous static spark inside the fuel tank |
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when would you use an APU (auxiliary power unit) during an aircraft refueling op? |
if the aircraft being refueled requires electrical power for its fueling system |
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what aircraft, still in the navy's inventory, requires hot refueling through its aerial defuel probe? |
a-4 skyhawk |
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which three individual signatures must be on the aircraft refueling cert prior to any aircraft defueling op? |
the squadron MO/MMCP, ACHO, and V-4 QA lab rep |
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the "X" placed on each side of the air crafts nose on aircraft that are suspected to contain fuel other than JP-5 is required to of what type of material? |
its an ordy type tape that will not damage the aircraft aint |
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what is the maximum temperature required on all fuel samples obtained from an aircraft suspected of low flash point, prior to lowering that aircraft to the hanger? |
120 degrees on all low point samples |
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what is the minimum air pressure needed to perform refueling operations involving the aircraft-to aircraft fuel transfer cart? |
80 PSI |
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what is the maximum air pressure allowed in operating the aircraft-to-aircraft fuel transfer cart? |
100PSI |
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what are the two types of pumps used in the aviation lube oil systems? |
the rotary screw pump and rotary vane pump |
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what kind of coupling is used in the rotary vane lube oil pump? |
the rex chain flexible coupling |
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what is the capacity of the lube oil storage tank on a CVN class ship? |
6,000 gallons |
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where is the sounding tube to the lube oil storage tank located? |
permanently mounted to that manhole cover
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what minimum differential pressure drop must be maintained between the duplex strainers prior to shifting operations from one to the other? |
1 1/2 PSI |
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what requirement must be adhered to pumping lube oil to the cat lube oil ready service tanks? |
com's between the oil pump room and V-2 cat ready service tanks will be maintained through out entire operation |
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the seawater compensating system is designed on what principal? |
the u-tube principal |
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why is CO2inert systems highly recommended for use near electrical equipment? |
its a non-conductor |
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what type of inert system is used aboard LST ships for the storage of MOGAS? |
the co2 inert compensating system |
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what is used to convert liquid CO2to gaseous CO2 when inserting cofferdam piping? |
the use of a vaporizer |
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under the venturi principle, what happens to the speed and pressure of a fluid flowing through a narrow tube of piping? |
the speed of fluid will increase and its pressure will decrease |
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what is unique about the automatic pressure-regulating system installed on LHA ships compared to other morass platforms? |
fixed refueling is not provided |
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what prevents leakage of gasoline and seawater from the tank and also does not allow nitrogen to enter the cofferdam? |
stuffing boxes |
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where is the drain tank located in the mogas system? |
inside the outer storage tank |
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what type of gaging system uses a diaphragm or bellows activated pressure ending differential indicators at the upper and lower sensing head to gage tank quantity? |
the static-head type gaging system
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what is the rated capacity of the seawater leak off pump? |
10 GPM
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what is the pressure relief valve set at for the outer piping to the double-walled piping? |
15 PSi
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how far away should high frequency transmit antennas or liquid oxygen outlets be kept from MOGAS refueling connections? |
15 feet
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along with the gas introduced into the inert gas pressure-regulating valve, what components controls opening and closing? |
the diaphragm
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what uni is provided in the MOGAS system as an accepted method of protecting fresh water supply from gasoline contamination? |
the laval back flow preventer
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MOGAS jettison lockers, and release mechanisms are inspected and maintained in accordance with what instruction? |
PMS
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what evidence must be provided before any MOGAS bladders are allowed onboard ships? |
a compliance tag identifying that maintenance on the bladders was performed and has been air tested with in the last 12 months |
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the PIA's red cylinder is a vapor absorber that contains what chemical? |
activated carbon
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how do you reactivate the carbon in the PIA? |
by throughly flushing the carbon with fresh water and allowing steam to pass through it for an hour after it dries the reinstall it into the absorber
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the PIA's black cylinder contains calcium chloride how is it used to detect gases or vapors? |
by absorbing fuel vapors from a sample |
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during initial operation and after the current is adjusted on the PIA, how long should you let it warm up to operating temp? |
2 minutes
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what potentiometer of the PIA is used for calibration? |
the sensitivity potentiometer |
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what requirement must be met in order to operate equipment used in testing air qualities in MOGAS spaces? |
the operator must be certified for the equipment being used
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what equipment it used solely for the detection of oxygen in an atmosphere where people must work? |
the oxygen indicator |
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what is done to all MOGAS spaces constantly and continuously whenever gasoline is onboard? |
they must be ventilated thoroughly |
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what safety device is MOGAS exhaust vent piping routed through prior to eventually terminating outside the skin of the ship? |
the flam arrestor
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when inerting MOGAS piping with N2, what is the maximum pressure used? |
10 PSI
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what two pressure switched as activated earn CO2 is introduced into the space? |
electric switches that activate the visual and audible alarms inside the space.
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what requirement must be adhered to when choosing respirators for use in entering fuel tanks? |
they must be NIOSH approved respirators
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what is the acceptable and required naval standard for general ventilation? |
one complete air change ever 3 minutes |
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what pressure is required at the gasoline pump suction to prevent a vapor lock? |
0.5 to 1 PSI |
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if icing exists in the seawater piping, what is provided to ensure positive flow of gasoline inside the overflow pipes? |
the steam heating coils
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where are the heating coils for the overflow tank vent lines located? |
near the hull penetration where overflow vent pipe exists the skin of the ship
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when filling storage tanks located below the waterline with seawater, how is the seawater introduced into the tank?
` |
through the overflow line
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when filling take located above the waterline with seawater, what MOGAS equipment is bypassed? |
the gasoline pump, filter/separator and pressure regulating system
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in receiving gasoline ising the seawater compensated system, how are seawater and gasoline levels maintained? |
by leaving the seawater elevated loop locked open to ensure seawater is drained out of the tank in direct proportion to amount of gas filling the tank
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what equipment must be installed on the gasoline filling hose to limit as inadvertent ignition of explosive gasses? |
and isolated copper cable connection between the gas supply source and the receiving unit with an attached single pole electric switch in the open position
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when on-loading gasoline, where is the inert gas introduced into the piping to displace the gasoline inside? |
at the filter/separator bypass |
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when purging gasoline tanks, where is the inert gas introduced into the tank? |
through the inert gas supply line
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when filling the expansion tank with seawater, how is the seawater introduced into the tank? |
through the firemain by placing the pressure-reducing station on line
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during vehicle ruling operations when the system has been vented as the fueling station, when is the cent connection close? |
when the pressure in the system drops to 0 psivat the inert gas pressure gauge.
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during off-loading of gasoline using the seawater compensated systems, when is the operation secured? |
when seawater appears at the test connection of the gasoline pump suction header |
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how many complete changes of seawater have to be cycled through a MOGAS tank before it is considered properly flushed? |
3
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when are inert gasoline displacement tanks flushed? |
never |
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what % of gasoline vapors concentration will cause nausea and headache if inhaled for any length of time? |
less than 1%
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when are MOGAS spaced are considered safe for working conditions? |
the space has been shown to be under continuous ventilation and certified safe
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what do you do if you get gas in your eyes? |
flush eyes with fresh water, then seek medical attention
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what % of co2 quickly causes unconsciousness and may result in permanent injuries to the heart and brain? |
10%`
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what safety precautions must you exercise when entering a space containing hazardous amounts of CO2? |
must be equipped with a breathing mask and an independent supply of air prior to entering
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what are some of the treatment options performed on personnel exposed to the different levels of CO2 in the atmosphere? |
artificial resuscitation, administrating oxygen, keeping patient warm and quiet
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why is nitrogen so dangerous when in hazardous quantities? |
it is undetectable
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what two gases in the operation of the MOGAS systems are known to have asphyxiating properties? |
carbon dioxide and nitrogen
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what is there major difference between CO2 bottle being used for CO2 fixed fire-fighting systems and CO2 bottles used for inserting MOGAS systems? |
fire-fighting is red and MOGAS systems are grey |
