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SALV TEST QS Flashcards

1
Q

Heave Around

A

Hauling line or Chain Via capstan

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2
Q

Slack

A

Ease out line so no strain is taken

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3
Q

Hold

A

Hold line even though it may part

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4
Q

Check

A

Keep strain paying out to prevent parting

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5
Q

Up Behind

A

Slack off quickly, run to a belay point

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6
Q

Take up slack

A

heave in on the line but do not take a strain

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7
Q

Double up

A

Pass an additional bight through a mooring line

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8
Q

Hold line ___ degrees from force

A

90

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9
Q

Tells the strain of a line

A

tattle tails

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10
Q

Hot water protection __ degrees

A

40

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11
Q

Cold water is ___ Degrees

A

37

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12
Q

Main bow Rollers, weight, what do they do

A

150 tons, Mechanical lifts, Heave on wire ropes or chain rigged on a sunken object

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13
Q

Leak categories

A

Minor, Moderate, Major

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14
Q

Minor leak definition

A

Hull cracks, broken pipes, loose seems, small holes

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15
Q

Minor leak patch material

A

Wood plugs, wedges, GRP

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16
Q

Moderate leak definition

A

Hull or bulkhead opening that cannot be closed

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17
Q

Moderate leak patching material

A

Require site prep, template, patchs are bulky for one man

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18
Q

Major leak definition

A

Extensive hull bulkhead damage

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19
Q

Major leak patching

A

Large scale steel work, extensive diving

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20
Q

Steel patchs

A

Readily available, easy to work with, strong backed bolted, welding allows semi permanent repairs

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21
Q

Plywood patchs

A

Used intertidal zone where pressure is low, Small patchs can seal leaks 30” or lower, not a long term solution

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22
Q

What are the most common types of educators used?

A

S-type; single jet, has built in foot valve to prevent back flow.

Peri-Jet; six nozzles, can pass solid objects up to 2” in diameter.

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23
Q

How do educators operate?

A

Using the Venturi principle.

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24
Q

Advantages of educators?

A
  • require min. pressure
  • are small and compact
  • safe in enclosed spaces containing fuel or POL residues
  • can driven from the fire main
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25
Cofferdams definition
Temporary water tight extension of the hull to the surface
26
3 types of cofferdams
Complete, Partial, small
27
Eductors 2 types
S-type single jet, Peri Jet six nozzels pass 2" solids
28
Eductors description
Small compact, driven by water pressure, works with POL floating on top, moves abrasives and slurries
29
UWSH manuals
S0600-AA-PRO-010, JFFM 4790.3, NSTM 997 S9086
30
DC plugs must have
Line affixed and a red tag
31
What are the types of direct pull systems?
Hydraulic (mainly used) - reads up to 200,000 lbs - survives up to 300,000 lbs Electrical - 110 VAC or 12 VDC, reads tension to 200,000 lbs.
32
What is ground tackle systems known as and what are the two types?
"Beach Gear" Direct pull system Purchase system
33
Direct Pull Systems advantages?
- Fewer personnel - Puller controls can positioned wherever - Continuos line pull - Pullers are portable - No loss of pulling force caused by sheaves
34
Enclosed Space diving requires
Tended, MK 20/21/EXO, SSD, COMMS, EGS 50-150' whip 135 O/B at depth 150 O/B topside
35
Enclosed space O2 Req for SCBA/SAR
Less than 19.5 greater than 22%
36
TWD - Technical Work Documents
Provides requirements for work procedures craftsmanship conforming to tech specs
37
TWD consist of 3 types
Maitenance Procedures MP, Formal Work Packages FWP, Controlled Work Packages CWP.
38
WAF signature
Watch/Duty officer authorizes and signs the WAF
39
Enclosed Space diving requires
Tended, MK 20/21/EXO, SSD, COMMS, EGS 50-150' whip 135 O/B at depth 150 O/B topside
40
Enclosed space O2 Req
20-22%
41
GFE PUB
NSTM 074
42
Level I inspections
Stem to stern non invasive of entire hull, regular schedule, post deployment, damage assessment
43
Level II inspections
System specific non invasive, results from Level I findings
44
Level III inspections
system specific Invasive, requiring disassembly
45
Level I inspectors must
Understanding of UWSH CHAP 17, track and locate position on hull, accurately report damage, determine FR/PDR, Measure, tool course, prop inspection, ducts, 35mm camera
46
Level II inspectors must
1 year as Level 1, Blue print course, read engineering drawings, understanding of systems
47
Level III inspectors
One year as level 2, Knowledge of system specifics
48
RAD manual
Navsea 0389 lp 660 6542
49
TLD is a
Thermal Luminescence Dosimeter gauge rad
50
Prior to diving on nuclear ships divers will be briefed on the requirements of
NavSea 0389-LP-015-3000
51
Article ____ sets rad limits
107
52
Running gear chapters
3/12/13/18
53
Distance between floating dry dock and harbor bottom is
12"
54
Leading chain around a corner requires
Diameter of the bend to be 7 times the bar, with at least 3 links in contact
55
Single closure can be used only with the permission of the?
CO
56
Before opening a single closure for maintenance what needs to be done?
- The system should be isolated - If not been drained, open closest system high-point vent to conduct a control leak check. - If it has been drained, open the closest lo-point to conduct controlled leak check.
57
Dry docking procedure
Keel blocks then side blocks
58
NSTM for CPP
245
59
Minimum rod length
3"
60
What are the manuals used in UWSH?
``` US Navy Salvage Man. Vol I and II US Navy Diving manual NAVSEA OOC Underwater Ship Husbandry Manual S0600-AA-PRO-010 Joint Fleet Maint. Manual (JFFM) COMFLTFORCOMIINST 4790.3 Docking instruction and routine work in dry - NSTM 997 S9086-7G-STM-010 ```
61
Welding safety switches
Single or Double pole, double most often
62
Minimum rod length
3"
63
Quad blocks length and diameter
5/8" 1200'

1C (18 decks)

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