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144 Cards in this Set
- Front
- Back
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Purpose of a REC (re-entry control form)
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Maintain system in "As built" Condition.
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What is the purpose of a Controlled Assembly report?
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to provide a report form for documenting components parts replacemnet, reuse, inspections, torque and lubricants.
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state the working range of a torque wrench
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20%-90% of wrench range, for example... a wrench with a scale range of 0-100 ft-lbs can be used for a maximum torque of 90ft-lbs. and a minimum torque of 20ft-lbs. Note: exercise the wrench six times to 60% of the rated maximum value before each use.
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discuss inspection criteria for the following:
- o-rings -threaded fasteners |
- inspect for cuts, errosion, discoloration, stressed areas, serial number, size, and batch number
-inspect for rust, oxidation, corrosion, stripped threads |
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what is the JFMM?
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joint fleet maintenance manual
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what is NSTM 78?
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Navy technical manual for seals, gaskets, and packing
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what does OQE stand for?
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objective quality evidence
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what does SOC stand for?
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Scope of certification
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what does PSOB stand for?
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Pre-Survey Outline Booklet
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what does PMS stand for?
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Planned maintenance system
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what does SCA stand for?
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system certification authority
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what does MES stand for?
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milestone event schedule
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what are DLSS tech responsibilities?
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to operate and maintain
any portion of a DLSS and must be thoroughly trained in the use of REC procedures and documentation requirements. The maintenance technician is also responsible for completing the REC form and obtaining the required signatures prior to work. In addition, the maintenance technician shall complete the required supporting forms, while performing the maintenance action in accordance with approved written procedures. |
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what is the DLSS chain of command up to the SCA?
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dlss tech, dlss supervisor, senior dive supervisor, diving officer, commanding officer, SCA
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what is NSTM 75?
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navy technial manual for threaded fasteners
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what is the definition of 1 foot pound of torque?
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If a bolt is located so that its centerline is horizontal and a wrench
with a perfectly straight, 1-foot-long handle is placed on the bolt head so that the wrench handle is also horizontal, and a 1-pound weight is hung from the end of the handle, 1 foot-pound of torque is being applied to the bolt. If the wrench handle is hanging straight down, no torque is being applied. |
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what is the maximum operating pressure?
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highest pressure that the system can experience during normal operation
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what is a operating pressure test?
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exposing equipment to maximum operating pressure for maintenance/certification purposes
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what is NSTM 505?
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navy technical manual for piping systems
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what is the MAN-10?
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US Navy Diving and Manned Hyperbaric System Safety Certification Manual
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what is NSTM 262?
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Navy technical manual for lubricating oils and greases
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documentation required to support and obtain a DLSS certification from an SCA..
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PSOB, OP's, EP's, REC history, and 3M
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state procedure for verification of o-ring size and material
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check packaging number for manufacturer ID, o-ring size, and hp/lp use
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discuss reference manuals that apply to cleanliness of air and oxygen systems...
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MIL-STD 1622 for air, MIL-STD 1330 for oxygen, also refer to topside technotes for cleanliness standards
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what is the purpose and periodicity of air sampling?
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to verify that the air system is providing clean/safe air for divers. Periodicity is semi-annual, or when quality is suspect, system overhaul, or relocation of system.
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what is the limit for open purchases?
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$3,000
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what is the purpose of the MOV (material obligation validation) program?
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to ensure that parts ordered are receieved
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what is the depot level repairable program?
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repair program operated by the highest qualified personnel (engineer, scientists, etc. )
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what are the two components of operating target (OPTAR)?
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consumables and permanent
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what is the purpose of the prime vendor program?
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to provide credit card conveinence, this program ensures multi-business involvement in supply ordering
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types of synthetic line
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nylon, polyester, polypro
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what is a clove hitch used for? pros cons?
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will not jam and seldom pulls out, best to secure with a half hitch. A slight disadvantage of a clove hitch is that it can slide on a slippery spar when strain is along the spar.
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What type of wire rope is used in a standard leg of beach gear?
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1 5/8" improved plow steel, drawn, galvanized, preformed, right-hand lay, fiber core wire rope
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what is a square knot used for? pros cons?
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is the best known knot for bending two lines together.. however, it can jam on a strain and become very difficult to untie
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what is a bowline used for?
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it is used whenever a loop is needed, such as making a temporary eye in a mooring line
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what is a becket bend used for?
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especially good for bending together two lines of different sizes
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what is a half hitch used for?
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used as a locking hitch to back up other hitches and bends.
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what is the rolling hitch used for?
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use it for passing a stopper on a mooring line when shifting the line from a winch or capstan to a cleat or bitts. it may also be used to secure a taut line back on itself. if tied properly, it holds as long as there is a strain on it.
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what is a stopper hitch used for? pros cons?
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it will not slide on a slippery spar. this knot is especially useful for bending a line to a larger line whose end is unavailable. however it jams tight on a hard strain.
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what is a pelican hook used for?
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a hook that can be opened while under strain by knocking away a locking ring which holds it closed; used to provide an instantaneous release
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explain the purpose of the screw pin and safety shackle
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the purpose of the shackle is to connect to ends together where it is desired to have around edge to prevent chaffing of line or wire. The screw pin shackle is used when securing tht pin is of no great concern. The safety shackle is used when keeping the pin secured is critical like towing evolutions.
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what is a carpenter stopper and what is it used for?
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a mechanical device consisting of a cover that encloses a sliding wedge within the body that can be opened by knocking away a latch that holds them closed. used for stopping off wire rope.
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describe ship's tag out procedures
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ensure all suctions more than 50gpm, within 50 ft, and on the same side of the keel must be red tagged. Any under water electrical equipment within 50ft. of the diving operation must be tagged. sonar must be tagged when diving on a vessel equipped with a sonar dome. ships shafts must be locked and tagged
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what does ball, diamond, ball mean at sea?
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it shows surrounding boats that you have divers in the water
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when can you wear a life preserver when diving under ice?
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never
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when are tending lines mandatory when ice diving?
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always
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what treatment gas do you use between 61-165 fsw in a chamber?
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50/50 N2/O2
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what treatment gas do you use between 166-225 fsw in chamber?
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64/36 (HeO2)
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What it direct bubble effect?
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Blood flow that is blocked from the bubble alone.
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What is indirect bubble effect?
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Blood flow that is blocked as a result of a bubble that causes blood vessel damage. This causes blood sludging; antihistimine release, platelets collection, and fat depostits.
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How often are air samples taken?
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Semi-anually (4-8months) or when suspect, or after system overhaul.
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Two methods to remove a propeller.
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Pilgrim nut and Charleston gear.
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Name the six parts to a Neuro.
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1.Mental status 2.Cranial nerves 3.Coordination 4. Sensory 5. Strength 6. Reflexes
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How is joint pain treated in an aviation bends case if symptoms were resolved before reaching 1 ATA from altitude?
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2 hours of 100% O2 and 24 hours of observation.
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What are the catagories of DCS Type II?
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Neurological, inner-ear, and cardio-pulmonary symptoms
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How long do you have to wait to fly after a NO-D air dive? After a decompression air dive?
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No-D air dive: 12 hours
Decompression dive: 24 hours |
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Minimum manning levels for single and buddy-pair SCUBA dives.
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Single
Dive sup-1 Diver-1 Standby-1 Tender-1 Total-4 Buddy pair Dive sup-1 Diver-2 Standby-1 Total-4 |
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Discuss all the limits for diving SCUBA.
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60fsw max depth for standby diver using a single cylinder with less than a 100 scf capacity.
130fsw normal working limit 190 fsw max working limit with CO or OIC authorization. Not authorized in enclosed spaces. Decompression dives deeper than 130fsw, chamber needs to be within 30 min. |
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What are the normal and max working limits of the MK-25
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S.D.L. Excursion
25fsw-240min 21-40fsw-15min 30fsw-80min 41-50fsw-5min 35fsw-25min 40fsw-15min 50fsw-10min |
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How long do you have to wait to fly after an O2 dive?
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No wait time
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What is Draeger ear and what are the symptoms?
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After an O2 dive, the middle ear becomes full of O2 and is metabolized by the tissues of the middle ear causing a mild discomfort and/or full feeling in both ears.
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a single diver will be tended by what two types of line.
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Tending line or buoy line
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If a (+) symbol is stamped on the neck of a SCUBA cylinder, that includes what?
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That cylinder can be pressurized to 110% capacity for the 1st hydro period only.
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Is an octopus required when SCUBA diving?
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Yes
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What is the over-bottom set at on a SCUBA 1st stage regulator and how often do u have to set it?
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135 +_5. It is set before each dive when used as EGS.
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How is the size of line determined? Wire rope?
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Line-Circumference
Wire Rope-Diameter |
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How long shall a pressure test candidate remain at the chamber site after a pressure test?
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15min in chamber room
45min in chamber facility |
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When is a pressure test required on a recompression chamber?
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2 years
when overhaulded when moved |
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What is the minimum and maximum O2 content allowed in the chamber?
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19-25%
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At what depth must at least one chamber occupant be breathing chamber air?
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45ft.
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What is a Gag valve and what is its purpose?
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A ball type valve used to back up relief valves in case failure.
Always wired open. |
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How long is a standard leg of beach gear?
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1590ft.
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What are sonar domes made of?
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Composite or Rubber
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Reasons for U.S. Navy Diving inception.
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Requirements for underwater recon, demo, ordnance disposal, underwater construction, ship maintanence, search, rescue and salvage ops.
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Purpose of chaffing gear.
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A protective covering for personnel and/or equipment to keep from damage or harm from high friction or harsh surfaces.
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Towing configurations
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Towing alongside. single tug, single tow. single tug, multiple tow. Honolulu rig. nested rig. tandem rig. multiple tug, single tow.
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What are to the Two Navy ships named after Navy Divers?
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USS Carl Brashear and the USS Robert Stethem
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Form 5296
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Tells what the Seals are allowed to request from the dive locker.
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Minimum mooring for a vessel supporting surface suppiled diving ops.
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2 point moor
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3 safety pre-cautions when diving in an enclosed.
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Must be MK-21 or KM-37, EGS on back and tended from the outside.
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What is POIS?
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Pulmonary over-inflation syndrom. Causes gas bubbles to enter the arterial circulation causing arterial gas embolism, mediastinal emphysima, subcutaneous emphysima, or pneumothorax.
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What are the symptoms of AGE?
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Extreme fatigue, difficulty thinking, vertigo, nausea and/or vomiting, bloody sputum, loss of bodily functions, numbness, tremors, loss coordination.
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When are dry suits recommended?
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In near freezing or contaminated water.
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RNT exception rule
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After determining the decompression requirement for the repet dive, the diver then re-calculates his decompression requirement by taking the deeper of the two dives and summing up the bottom times.
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Minimum equipment required for SCUBA.
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Adequately charged SCUBA cylinders with j-valve, BC, mask, weight belt, watch, depth gauge, pressure gauge if using k-valve, fins, knife
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Comms in SCUBA?
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Through water comms system, hand signals, slate boards and line pull signals.
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What is the COSAL?
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Coordinated ships allowance list
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What is I.E.M.?
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Inactive equipment maintanence
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What is the purpose of Norman pins?
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To reduce the sweep of the tow wire.
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EGS requirements when surface supplied diving.
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1st stage regulator is set to 135psi+_5 when on the divers back or 150+_5psi when left on the surface with a 50 to 150ft whip.
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Surface supplied diving systems
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MK-3 mod-0, mod-1, FADS III, ORCA, ROPER diving cart
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Recompression time/temp limits
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Above 104 degrees (NO TT's, intolerable)
95-104 degrees (TT 5 & 9 for 2 hours) 85-94 degrees (TT 5, 6, 6A, 1A,9 for 6 hours) Below 85 degrees (all TT's, unlimited) |
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Fleet areas of responsiblity.
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2nd-Atlantic
3rd-Pacific 5th-Persian Gulf, Red Sea, and Arabian Sea 6th-Mediterranean Sea 7th-South Korea and Japan Military Sealift Command-Around the World |
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How do you figure out the over-bottom pressure for MK-21, KM-37
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D X .445+bottom pressure=MMP
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What does DRMO stand for?
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Defense Reutilization and marketing service
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Who approves PMS boards?
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Division Officer
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Name the sides of a propeller
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Leading edge, trailing edge, pressure face and suction face
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What measures the texture of surfaces?
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Rupert gauge
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What does APU stand for?
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Auxilary propulsion unit
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What does SPM stand for?
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Secondary propulsion motor
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What are the 4 major systems of the MK-16?
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Housing, recirculation, electronic and pneumatic systems
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Define BAROTRAUMA
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Damage to body tissues due to the differential pressures between the body and hydrostatic pressure, or between the body and diving equipment.
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What is the depth limit of the MK-20 when surface supplied diving?
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60ft.
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What does Appendix 2A cover?
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Optional shallow water diving tables
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What does ESSM stand for?
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Emergency Ships Salvage Material
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What is the effective range of the Sig P226?
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50 meters
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What is the magazine capacity of the Sig P226?
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15 rounds
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What is the effective range of the 12-gauge shotgun?
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50 yards
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What kind of safety does the 12-gauge shotgun have?
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cross bolt type safety
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What is the effective range of the M-4 rifle? Max range?
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300m and 800m Max
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How many rounds does the M-4 magazine hold?
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30 rounds
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How many rounds does the 12-gauge shotgun hold?
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5 to 9 rounds
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What is the weakest part of a leg of beach gear?
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Wire rope
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What does HERO stand for in demo?
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Hazardous Electromagnetic Radiation Ordnance
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DEMO-Operations will stop and charges will not be primed or connected for electric firing during approach of thuderstorms within____miles from the blast site?
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5 miles
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DEMO-Emergency fire fighting has to be on hand and deployable within____minutes.
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5 minutes
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DEMO-What is the RSO?
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Range Safety Officer
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DEMO-What are the characteristics of High Explosives?
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Velocity greater than the speed of sound.
Primarily used for cutting, breaching, cratering and general demo. |
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DEMO-What are the characteristics of Low Explosives?
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Velocity is less than the speed of sound.
Primarily used for moving objects. |
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DEMO-What is Briance?
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The shattering effect created by the shock wave of an explosive.
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DEMO-What is the rate of detonation?
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Velocity
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DEMO-A value used to compare the effectivness of other explosives in relation to___.
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TNT
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DEMO-What is the value of TNT?
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1.00
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DEMO-The speed with which the reaction zone progresses through the explosive without diminishing in strength is____.
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Stable Detonation Velocity
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DEMO-What are the three types of detonations?
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High Order, Low Order and sympathetic detonation
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DEMO-What are the three types of energy?
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Air shock, water shock, and ground motion
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DEMO-What are the three types of initiating systems?
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Electric
Non-electric Shock tube |
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DEMO-Used to test continuity of firing wire and electric blasting caps.
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Galvanometer
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DEMO-What is the name of electric and non-electric blasting cap container?
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MK-663 mod 0
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DEMO-What is the wait time for an Electrical Misfire?
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30 min.
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DEMO-What is the wait time for a Non-electric Misfire?
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60 min.
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DEMO-What are the two main types of shock tube?
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NONEL:Non-electric detonator
MDI: Modernized Demolition initiator |
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Importance of the Battle of Midway.
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Regarded as the most important battle of the Pacific Campaign of WW2 because of the irreparable damage that was done to the Japanese Navy.
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Significance of the Battle of Coral Sea.
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Was the first fleet action in which aircraft carriers engaged each other. The first battle in which neither side saw each other.
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Importance of the Battle of Normandy.
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D-Day. Defeat of the Germans brought liberation Paris, France.
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Voyage of the Great White Fleet
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Show of Military Supremacy
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Importance of the battle at Guadalcanal
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Turning point in which allies changed from defensive operations to offensive operations causing Japan to lose miserably.
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Battle of Leyte Gulf
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Regarded as the largest naval battle in history. 1st time Kamikaze attacks were used.
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What are the working limits for MK-21 and the KM-37?
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130fsw: Normal
190fsw: Max (On air. 300fsw mixed gas) |
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Which line pull means "Ventilate"
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3-2
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Which line pull means "circulate"
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4-3
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Which line pull means "haul me up rite now"
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4-4-4
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Which line pull means "I'm fouled, but I can help myself"
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3-3-3
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Which line pull means "I'm fouled and I need the assistance of another diver"
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2-2-2
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