Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
112 Cards in this Set
- Front
- Back
|
What are the guidlines for waterborne hull cleaning of ships and Craft?
|
NSTM CH. 81
|
|
|
What are the requirements for Cleaning hulls that have been designated as having Organtine or Ablative paints applied?
|
NSTM ch 081 has guidlines further information can be obtained from NAVSEA OOC. Drysuit is preferred using a full face mask and gloves
|
|
|
What are the guidlines for putting a standby diver in the water during UWSH dive?
|
Must be surface supplied dive,must have been deemed safe by other diver, must have comms, NO "D" , less then 60 feet.
|
|
|
What are the fouling rating numbers and how are they assigned to a scale?
|
The rating numbers are assigned on a scale of 0 to 100 in 10 point increments.
|
|
|
What are the two types of underwater welding?
|
Dry and Wet.
|
|
|
Masker Emitter Belts are located were? And what is a good description of them?
|
Masker emitter belts are installed at the forward end of the ships machinery spaces and run vertically down both sides of the external hull from a point above the waterline to a termination at the keel.
|
|
|
What indications wourd be seen with water contamination in the hydraulic fluid?
|
Cloudiness/discoloration
|
|
|
What is the function of the rope guard assembly?
|
Reduce the probabilty of fouling the propeller.
|
|
|
What precautions must be taken when using the HP water jet system on propellers (hydro-lance)
|
Pressures of 10000 are not allowed.
|
|
|
What cleaning equipment may not be used to clean hulls,propellers,and sonar domes?
|
acid cleaning solutions.
|
|
|
What is not an advantage of broco cutting?
|
the burning time of electrodes is short.
|
|
|
what polarity is normally used in wet welding?
|
straight
|
|
|
What is the maximum time the preheat switch can be used on a diesel engine?
|
1 minute
|
|
|
When looking forward at a propeller what is the numbering system of all the blades?
|
for left hand rotation the numbers go clockwise and for right hand rotation the numbers go counter clockwise.
|
|
|
What is the Hub of a propeller?
|
The center section of the propeller bored for a tapered fit onto the shaft.
|
|
|
what is the blade fillet on a propeller
|
The radi defined by the transition fo the blade faces into the hub. Also referred to as the blade root.
|
|
|
what is the pressure face on a propeller?
|
The aft face of the propeller blade.
|
|
|
What is the suction face on a propeller?
|
the forward face of the propeller blade.
|
|
|
Leading Edge is what on a prop?
|
The blade edge adjacent to the forward end of the propeller hub.
|
|
|
Trailing edge is what on a prop? And what is a blade knuckle?
|
The blade edge adjacent to the aft end of the proeller hub. a blade knuckle is a sharp , wedge-shaped trailing edge.
|
|
|
What is the blade tip on a prop?
|
The blade edge on the outer most radius of the propeller.
|
|
|
Holes that are drilled in the channel near the leading edge is called what?
|
Emitter holes. they distribute Praier masker air.
|
|
|
What is the fairwater assembly and what different charcteristics can it have?
|
The fairwater is a cone like fitting that goes aft of the prop a complex fairwater could have a praire air system in it.
|
|
|
What are three methods of removal for propeller removal?
|
Hydraulic fluid forced into the pilgram nut causes it to expand and unseat the prop.
Charleston gear (hydralic ram) then theres explosives |
|
|
What are the two methods of rigging for removal of a prop?
|
Balence beam method and Yard and stay method.
|
|
|
What are the two ways to seat a prop after being installed?
|
Pilgram nut and propeller nut wrench
|
|
|
When removing the APU what is needed and what ships have APU'S?
|
FFG 7 class have APU'S and inorder to remove a coffer dam is required.
|
|
|
What are the clearence tolerances for the APU propeller and the kort nozzle?
|
minimum is .040 of an inch
maximum is .185 of an inch |
|
|
were is the APU located?
|
One on each side of the keel usually between frame 100 and 108. just aft of the keel mounted sonar dome.
|
|
|
What are three types of screws?
|
solid/monoblock,controlled pitch, built up propeller
|
|
|
How offen do you do a swim by on patches?
|
every 7 days, suspected leak,
|
|
|
What do fin stabilizers work off of in the ship and what is used to move them?
|
hydrolicly moved and controled by the ships gyro?
|
|
|
How are the blades on a CPP numbered?
|
there numbered from left to right in Alphabetic order.
|
|
|
What is the purpose of a skeg?
|
to support the shaft and hydrodynamics.
|
|
|
What jobs do we need dry habitats?
|
SPM, APU, shaft lamination, waterline welding,sonar dome heated water change.
|
|
|
What are the types of rudders?
|
balenced , semi balenced, unbalenced
|
|
|
What are the requirments for entering a ballast tank?
|
gasfreed space continuous every 15 min , periodic is every 1 hour
|
|
|
How offen do you preform a swim by on a patches?
|
every 7 days, leak suspected, high level water.
|
|
|
what are the 2 types of spm or secondary propulsion motor?
|
water and sealed.
|
|
|
what kind of info can you find on the hub of screw
|
weight, manufacture, material type, direction, serial # , last referb date, drawing number
|
|
|
what is chapter 1
|
index and user guide
|
|
|
what is chapter 6
|
submarine sonor systems
|
|
|
what it chapter 4
|
auxillary propellers unit
|
|
|
what is chapter 3
|
propellers
|
|
|
what is chapter 5
|
masker emitter belts
|
|
|
what is chapter 7
|
nondustructive testing
|
|
|
what is chapter 8
|
secondary propulsion motor
|
|
|
what is chapter 10
|
diver tools
|
|
|
what is chapter 9
|
sonar rubber domes
|
|
|
what is chapter 11
|
wet and dry chamber welding
|
|
|
what is chapter 12
|
controllable pitch propellars
|
|
|
what is chapter 13
|
propulsion shaft covering repair
|
|
|
what is chapter 16
|
cofferdams
|
|
|
what is chapter 15
|
protection sleeve replacment and sea chest repair
|
|
|
what is chapter 17
|
inspections procedures
|
|
|
what is chapter 18
|
propulsion bearings
|
|
|
what is chapter 19
|
cathodic protection systems
|
|
|
what is chapter 23
|
submarine pre deployment noise inspection
|
|
|
what is chapter 20
|
painting and fairing compounds
|
|
|
what is chapter 24
|
fin stabilizers
|
|
|
what is chapter 25
|
an/wsq-9
|
|
|
what is chapter 27
|
hydroblasting
|
|
|
what is appendix B
|
OPEN BOTTOM DRY CHAMBER RIGGING
CALCULATIONS |
|
|
what is appendix A
|
material requirements
|
|
|
what is appendix C
|
patch and plug inspection checksheet
|
|
|
what is appendix D
|
patch and plug installation checksheet
|
|
|
what is appendix E
|
minimum diver cofferdam training requirments
|
|
|
what is appendix G
|
report of ships responsiblitys for patch installations
|
|
|
what is appendix F
|
J-bolt minimum requirements
|
|
|
what are the major components of a FFG
|
single set running gear, finstabalizer, keel mounted sonar dome, scraficial anodes, dual apu's, no bilge keel, retractble pitsword, bow mounted anchor
|
|
|
what are the characteristics or a DDG
|
dual set running gear, bilge keels, iccp, bow mounted sonar dome,
|
|
|
what are the characteristics of a LHD
|
no sonar dome, dual set running gear, bilge keels, iccp,
|
|
|
what are the characteristics of a LHA
|
no sonar dome, dual set running gear, bilge keels, iccp,
|
|
|
what are the characteristics of a LPD
|
no sonar dome, dual set running gear, bilge keels, iccp,
|
|
|
what are the characteristics of a CG
|
dual set running gear, bilge keels, iccp, bow mounted sonar dome,
|
|
|
what is the only ffg with iccp
|
uss engram
|
|
|
what are the characteristics of a carrier
|
quad set running gear, dual rudders, reactor discharge port side, and moores starboard for quarterdeck
|
|
|
what is the name of the component in a pilgram nut that inflates to create movement to unseat or seat the prop.
|
the nitrile tire
|
|
|
what ane were the keys located on a propeller
|
the keys are guide ways to secure the hub to the shaft they are located at 12 and 6 o'clock
|
|
|
what are the 7 checks for the checklist for a pitsword/rodmeter removal or changeout.
|
1 review navsea techmanuals 7and 8
2 locate guide pin and enusre welded 3 gas freed space with chit 4 emergancy dewatering gear 5 verify side screws operate freely and can hold meter 6 refurbish holes for cofferdam placement 7 sound powered phones provided for communication from space |
|
|
what are the three major components of a apu
|
TRD training and retracting device, apu motor, controls
|
|
|
what is the allowable gap for an apu fairing plate to the hull
|
1inch plus or minus 1/4 inch
|
|
|
what is the allowable ressesion allowed for the apu faring plate
|
FWD is flush or resessed 1/4 inch
AFT is flush or pertruding 1/4 inch |
|
|
what is the splash zone mixing ratio
|
1part epoxy to 1 part hardener
|
|
|
what are the 3 doors that a torpedo travels through
|
breach door , muzzle door, shutter door
|
|
|
what is the mixture ratio for hycote
|
3.2 hycote to 1 part hardener
|
|
|
what is the minumum vent size used to vent for a eductor or internal vent
|
1/2 inch or greater
|
|
|
what is chapter 14 uwsh
|
sca pods
|
|
|
can you dive within 50 of an active suction what are the rules
|
oppsite side of definable keel
less then 50 gpm, both co's okay's work and deemed emergent |
|
|
what are the rules for active sonar in relation to distance of the diver
|
wetsuit unhooded-start at 1000 ft and move inward for diver comfort
wetsuit hooded start at 600 and move in to diver comfort helmeted start at 3000 yards and move inward to diver comfort. |
|
|
when is a reinforced patch required
|
when the grating is spaced greater then 5 inches
|
|
|
what ships have keel mounted sonar domes and what ships have bow mounted
|
ffg's have keel mounted all the rest have bow they have keel mounted domes cause they have bow mounted anchors
|
|
|
what are the 6 components of a iccp system
|
control unit, power unit, reference cell, stuffing tubes, anodes, dielectric shield
|
|
|
what is the requried pertrusion for dc plugs
|
3 to 4 inches
|
|
|
what are the allowable list for doing a cpp blade change out
|
1 degree list due to guiding blade off of the guide pins
|
|
|
what is the required overlap of patching material
|
overlap of opening must be at least 3 inches on all edges
|
|
|
what is the required materials for making patches
|
5000 series aluminum, 1 inch marine grade plywood, 1/4 inch mild steel, (16 gauge SS or 5000 series are only mats for subs allowed to be used)
|
|
|
what is the recipe for bintsuke
|
cooking oil,rosin,beeswax,tallow,parafin,cheesecloth
|
|
|
where would you find FR's that are greater then 40 on ships
|
docking block locations and inside seachests and gratings interior
|
|
|
what is used to clean the prarie masker system
|
approved water jet
|
|
|
what cleaning materials can be used on a ships hull and props and sonar dome
|
props and hull- hand held rotary brush unit,self propelled cleaning vehicle, water jets, hand held scraper
and for sonar domes disc d3 a 3 density abrasive cleaning disc, hand held scraper, wood or plastic |
|
|
what is a lvl 1,2,3 inspection
|
1 stern to stern, non evasive
2 system specific, non evasive usally from lvl 1 reported problem 3 system specific evasive disassembly |
|
|
what are the size of holes on masker emitter belts. and what are MEB's made of
|
3/64"
coppernickle |
|
|
when cleaning the MEB's what part of the belt is cleaned at the bottom
|
the plug
|
|
|
what is the required clearence of the patches edges in comparison to the opening
|
must have 3 inches clearence all the way around opening
|
|
|
for a shaft lamination what is the lowest allowable and highest allowable temp for curing the GRP
|
60 degrees Farenhiet
|
|
|
when using a belly band for a patch what is the minumum size wire rope used
|
3/8's wire rope
|
|
|
what is the clearence that is requried for a non built up dog house
|
26"
|
|
|
what is the smallest allowable vent hole for an eductor
|
no less then 1/2" to prevent a vacume
|
|
|
what is the ideal temp for a shaft lamination
|
73 ideal no higher then 80 degrees
|
|
|
what side does a carrier moor on
|
starboard side cause quarterdeck is on that side and reactor discharges port
|
|
|
what are the two types of foam for patches and what are there usable depths
|
open cell foam is 35fsw or shallower and closed cell is 35fsw and deeper
|
