SUP

Question 0

External Survey

Answer 0

Checking for damage ,running gear, sonar, exterior hull

Question 1

Internal survey :

Answer 1

Checking for damage flooding, holes, cracks

Question 2

All Navy salvage ships have a maximum bow lift of

Answer 2

150 Tons

Question 3

Line handlers should stand__ off of a line while working it.

Answer 3

90 degrees

Question 4

At what temperature is a dry suit or hot water suit recommended ?

Answer 4

Below 40 degrees

Question 5

What are Cofferdams?

Answer 5

temporary watertight extensions of the hull to the surface.

Question 6

What are the 3 types of cofferdams

Answer 6

• Complete
• Partial
• Small

Question 7

A complete cofferdam is used when?

Answer 7

Vsl is sunk in sheltered waters
Temp repairs/sealing deck impractical. Main deck has many openings. Make decision to use only after detailed survey by salvage eng and salv officer

Question 8

What are the UWSH manuals that deal with running gear?

Answer 8

Chapter 3,
Chapter 12
Chapter 13
Chapter 18

Question 9

What NSTM deals with inspecting a CPP?

Answer 9

NSTM 245

Question 10

After divers have surfaced and confirmed no obstruction then the dry dock will ___ to land the unit.

Answer 10

Be drained enough

Question 11

A minimum of __ will be maintained between the floating dry dock and harbor bottom at all times

Answer 11

12”

Question 12

What is the minimum length of the electrode before changing?

Answer 12

3”

Question 13

Safety switches (when open) pose no electrical threat to the diver.

Answer 13

True

Question 14

Both double pole and single pole are switches are authorized?

Answer 14

True

Question 15

A double pole switch is most often used because because?

Answer 15

Both the working and the ground lead are opened or closed simultaneously

Question 16

What are the 3 general types of work documents?

Answer 16

• Maintenance Procedures
• Formal Work Packages
• Controlled work packages

Question 17

Maintenance Procedure MP

Answer 17

Task of maintenance performed.

Self explained

Question 18

Formal Work Package FWP

Answer 18

Coordinates in a single document materials required, initial conditions, MP, Test and Inspections and system restoration for the selected maintenance task.

Question 19

Controlled Work Package CWP

Answer 19

Required when higher authority requires a record (OQE) of repairs/maintenance for fabrication, repair, installation, inspection, and testing process for specific systems.

Question 20

Work Authorization Form

Answer 20

Filled out by entity performing work. Signed/verified by CDO. Signed by force who completed once it is done.

Question 21

Using Mk20 (ss) or MK 21 or EXO BR divers may enter sub ballast, mud tanks or cofferdams

Answer 21

True

Question 22

Requirements for divers in tanks:

Answer 22

Tended by diver outside space, EGS must be inside space or on surface with a whip 50-150 ft long

Question 23

NSTM 074 dictates the hourly testing of the tanks atmosphere.

Answer 23

True

Question 24

The air should be flushed twice and tested before a diver removes hat. If diver smells any unusual odors they should don EGS

Answer 24

True

Question 25

Oxygen levels less than 19.5% or Greater than___ shall be considered as immediately dangerous to life or health.

Answer 25

22%

Question 26

Level I and II Hull inspections are considered as ?

Answer 26

Non invasive inspections meaning nothing is removed or disassembled.

Question 27

Level I inspections are in the scope of what?

Answer 27

Stern to Stem of the entire hull and appendages.

Question 28

Level II Inspections are in the scope of what?

Answer 28

System specific, non invasive.

Question 29

Level 3 inspections are in the scope of what?

Answer 29

System specific, invasive procedures requiring some amount of disassembly of the system.

Question 30

Double valve closure is accomplished by using?

Answer 30

Installed valves, blank flanges, outside closure plates, or shaft seals.

Question 31

If a system has NOT been drained, open the closest system ____ to conduct a controlled leak check of the single closure.

Answer 31

High-point

Question 32

If the system HAS been drained, open the closest system ______ vent to conduct a controlled leak check of the single closure.

Answer 32

Low-point

Question 33

An SRD is?

Answer 33

Sonar Rubber Dome, bow or Keel mounted.

Question 34

SRD purpose

Answer 34

Surrounds and protects the ships sonar system. In service, it is filled with water at a pressure sufficient to withstand hydrodynamic loads. Provides a low drag shape with smooth, quiet, non cavitation water flow.

Question 35

When required (Radcon) divers shall have a ?

Answer 35

Thermal Luminescence Dosimeter (TLD)

Question 36

Contaminated areas found on Radcon hull surveys shall be ?

Answer 36

Marked so divers can see them

Question 37

Quad blocks for purchase systems should have 2 ___ 4 sheave blocks.

Answer 37

5/8"

Question 38

Quad blocks should have ___ ft of ___ " wire rope

Answer 38

1200 | 5/8

Question 39

Main bow roller does what function?

Answer 39

Supplies all or part of the lift force needed to recover a ship or other object. All navy ships are limited to a bow lift capacity of 150 tons. 75 tons per wire. Can be used in conjunction with stern(150) for total of 300 tons using all 4 wires.

Question 40

When leading chain around a corner the dia. Of the bend must be at least __ times the dia. Of the bar that forms the chain.

Answer 40

7

Question 41

When chain is led over or around a curved surface at least __ links of the chain should be in contact with the curved surface.

Answer 41

3

Question 42

Linear puller has an approximate pull of?

Answer 42

200,000

Question 43

What are the two different methods of dewatering ?

Answer 43

- Pumping | - compressed air dewatering

Question 44

Linear puller can apply what level of pull to beach gear?

Answer 44

50 Tons

Question 45

Which patching materials may be used for small openings?

Answer 45

Plywood.

Question 46

What are 3 different types of leaks?

Answer 46

- Minor - Moderate - Major

Question 47

Minor Leaks are ?

Answer 47

Hull cracks, broken pipes, loose seems, small holes. | -patch with wooden plugs, wedges and GRP.

Question 48

Moderate Leaks

Answer 48

Hull or blkhd opening that cannot be closed as above usually requiring preparation.

Question 49

Major Leaks

Answer 49

- Extensive hull/blkhd damage | - patches require large steel work operations and extensive dive ops

Question 50

What are the two types of educators?

Answer 50

- Peri-Jet | - S type