Questions Flashcards
1
Q
Underwater, objects appear to be % larger
A
30
2
Q
In what order does color start filtering out in water
A
Red, Orange, Yellow, Green, Blue
3
Q
What are thermoclines
A
Different layers of water at different temperatures
4
Q
How fast does sound travel in the water
A
4,921 feet per second
5
Q
What is Conduction
A
Conduction is the transmission of heat by direct contact. Because water is an excellent heat conductor, an unprotected diver can lose a great deal of body heat to the surrounding water by direct conduction
6
Q
What is Convection
A
Convection is the transfer of heat by the movement of heated fluids
7
Q
What is Radiation
A
Radiation is heat transmission by electromagnetic waves of energy. Every warm object gives off waves of electromagnetic energy, which is absorbed by cool objects. Heat from the sun, electric heaters, and fireplaces is primarily radiant heat
8
Q
A diver will start to become chilled when the water temperature falls below a seemingly comfortable
A
70°F
9
Q
GFIs are required when line voltage is above
A
7.5 VAC or 30 VDC
10
Q
GFIs shall be capable of tripping within ___ milliseconds after detecting a maximum leakage current of ___ milliamps.
A
20 milliseconds, 30 milliamps
11
Q
Deploying Standby Diver as a working diver:
A
- Surface-supplied, no decompression dive 60 fsw or more
- Same job/location
12
Q
50 Foot rule
A
Diving within 50 feet of an active sea suction (located on the same side of the keel) that is maintaining a suction greater than 50 gpm or more, is not authorized unless considered as an emergency repair and is authorized by the CO of both the RA and tended vessel.
13
Q
Diving on ships in a nest:
A
-Outboard ship must fly code alpha
-All suctions within the 50’ path of divers and work item must be tagged out on both ships
-Both ships pass the word “There are divers working
14
Q
Diving within active ICCP:
A
-The appropriate zone of the ships ICCP system must be secured, tagged out, and confirmed secured before divers may work on an ICCP device
-Divers working within 15 feet of an active system must wear a full dry suit, unisuit, or wet suit with hood and gloves.
15
Q
Diving with active sonar:
A
-Wet- Suit Hooded - Start 600 yds. and move in to diver comfort
-Wet- Suit Unhooded - Start 1000 yds. and move in to diver comfort
-Helmeted - Start 3000 yds. and move in to diver comfort
16
Q
Diving at night:
A
-Notify port ops due to sonar testing
-Ships light should be Red-White-Red
17
Q
What is ship class EMORY S. LAND designation and type
A
Designation - AS
Type - Submarine Tender
18
Q
UWSH - what Chapter is Index
A
CH 1
19
Q
UWSH - what Chapter is General Info
A
CH 2
20
Q
UWSH - what Chapter is Propellers
A
CH 3
21
Q
UWSH - what Chapter is Auxillary Propulsion unit
A
CH 4
22
Q
UWSH - what Chapter is Masker Emitter Belts
A
CH 5
23
Q
UWSH - what Chapter is Submarine Sonar Systems
A
CH 6
24
Q
UWSH - what Chapter is Non-Destruction testing
A
CH 7
25
UWSH - what Chapter is Secondary Propulsion Motor
CH 8
26
UWSH - what Chapter is Sonar Rubber Domes
CH 9
27
UWSH - what Chapter is Diver Tools
CH 10
28
UWSH - what Chapter is Wet/Dry Chamber Welding
CH 11
29
UWSH - what Chapter is Controllable Pitch Propellers
CH 12
30
UWSH - what Chapter is Shaft Laminations
Ch 13
31
UWSH - what Chapter is CSA PODS
CH 14
32
UWSH - what Chapter is Protection Sleeves
CH 15
33
UWSH - what Chapter is Cofferdams
CH 16
34
UWSH - what Chapter is Inspections
CH 17
35
UWSH - what Chapter is Propulsion bearing
CH 18
36
UWSH - what Chapter is Cathodic Protection
CH 19
37
UWSH - what Chapter is Painting/ Fairing Compounds
CH 20
38
UWSH - what Chapter is FIN Stabilizer
CH 24
39
UWSH - what Chapter is Pollution Prevention
CH 28
40
UWSH - what Chapter is Submarine Procedures
CH 29
41
Types of Propellers
-Solid
-Built Up
-CPP
42
Propellers - Pilgrim Nut
Forces hydraulic fluid into nitrile tire pushing ring outward against backing plate
43
Propellers - Charleston Gear
Hydraulic ram pushes against strongback seated on prop. nut
44
Cosmoline
MIL-C-11796
45
Hydrolube
MIL-L-21260
46
Masker Emmitter Belt - continuous length of
90/10 CuNi pipe
3/64" holes
47
Cleaning Masker Emmitter belt with only
-Butterworth Zero thrust hydroblast gun
-Cannot use more than 85 min/24hrs due to noise.
- Start from waterline and move to the keel
48
What type of rubber are sonar domes made of
NOFoul® rubber
49
Sonar dome inspection - Water temperature less the or equal to
60F and or high turbidity you need a cofferdam for repairs
50
Hytorq Bolts
Hex head, Hex key, 12 point
51
Morgrip bolts
Utilizes bolt elongation to set torque
52
Plugs - Wooden DC
Max 3-4" protrusion
53
Flat Patch
A single plate of metal or wood
54
Box patch
A flat patch with sides with open side facing the hull
55
Beaver Dam
Series of wooden wedges, used on CG stbd side stern tube.
56
Fat rope
Large bintsuke wrapped line
57
Material for Cofferdam on ships
Min. 1/4" 5000 series Aluminum, 1/4" mild steel, 1" Marine Grade plywood
58
Material for Cofferdam on Subs
Min. 1/8" 5000 series Aluminum, 16 gauge stainless steel
59
Appendix C for cofferdams
Patch and Plugs inspection
60
Appendix D for cofferdams
Patch and Plug installation
61
Appendix G for cofferdams
Ships responsibilities for patch installations
62
Bintsuke Recipe
--------------------Summer---------Winter---------
Cooking oil. 5 gal. 5 gal
Rosin (pitch). 25 lb 30 lb
Beeswax. 25 lb. 25 lb
Tallow 2 lb 3 lb
Parafin 2 lb 2 lb
Cheesecloth 6ft x 1 ft strips
63
Non Invasive Inspections
Requires no disassembly
64
Invasive Inspections
Requires some disassembly
65
Level 1 Inspections
Non-Invasive of entire hull appendages
66
Level 2 Inspections
System specific, Non Invasive, Deficiency discovered during level 1 or problem reported by ship
67
Level 3 Inspections
System Specific, Invasive
68
Propulsion Bearings Lubrications
Boundary - Full Contact
Mixed Film - Speed increases creating film
Hydrodynamic - Seawater drawn in, full separation of surfaces
69
Fairwater measured at
3, 6, 9, 12 o'clock positions
70
Propulsion bearings clean out with
Hydro lance
71
Cathodic Protection - Divers working within ___ feet active ICCP wear full _____
15'
Wet/ Dry, Hood, Gloves, Booties, Comms
72
Anode
Platinum-coated tantalum wire rod woven through insulating glass reinforced polyester holder 2,4,8' lengths, installed in sets of 2, equal in length
73
Reference Cell
Electrode constructed of a silver mesh screen treated with silver chloride mounted with a 9" diameter dome. Installed between anodes powered by same controller supply
74
Stuffing Tube
Through hull watertight electrical connection
75
Di-electric Shield
-High solids epoxy coating around each anode
- Material - Capastic, only dry application
- Hycote 461 for wet application authorized
76
Hycote ___ is the only NAVSEA approved product for underwater paintings
Hycote ___ is the inly NAVSEA approved underwater fairing compound
151, 461
77
WHAT IS THE PURPOSE OF THE STATIC LOAD TEST?
HOLD 200% of ITS MAX RATED LOAD
78
PROOF PRESSURE IS DESCRIBED BY WHAT DEFINITION?
AT LEAST 1.5 TIMES THE MAX OPERATING PRESSURE
79
BASIC SUBSYSTEM DIAGRAMS THAT OUTLINE STRUCTURES, SUBSYSTEMS, AND EQUIPMENT ARE CONTAINED IN WHAT RECORD?
CERTIFICATION SCOPE NOTEBOOK
80
WHAT TEST IS REQUIRED BY THE SCA PRIOR TO A MANNED DEMONSTRATION?
UNMANNED OPERATIONAL
81
ALL ITEMS ARE INCLUDED IN PSOB EXCEPT?
FAILURE ANALYSIS REPORTS
82
SHOREBASED HYPERBARIC SYSTEMS REQUIRE OVERHAUL AT WHAT MINIMUM INTERVAL?
EVERY 10 YEARS
83
WHAT DOCUMENT DEFINES SCOPE OF WORK AND PROVIDES PRODUCTION PERSONNEL WITH STEP-BY-STEP INSTRUCTIONS ON HOW THE WORK SHOULD BE ACCOMPLISHED?
CWP
84
WHICH DOCUMENT IS PREPARED BY THE APPLICANT FOR USE IN CERTIFYING A HYPERBARIC SYSTEM?
PSOB
85
DOCUMENT SUBMITTED FOR SAFETY TRENDS AND ANALYZING MISHAPS
HAZREP
86
WHO IS FAILURE ANALYSIS REPORT SUBMITTED TO
CONFIGURATION MANAGER
87
HOW LONG CAN YOU EXTEND YOUR CERT DATE
90 DAYS
88
PURPOSE OF A REC
MAINTAIN SYSTEM “AS CERTIFIED” (DON’T FALL FOR “AS BUILT AS CERTIFIED”)
89
WHICH OF THE FOLLOWING ITEMS DOES NOT REQUIRE A REC UPON REMOVAL
FLASK CHANGE OUT
90
ON THE MIP, WHEN AN ASTERISK FOLLOWS A PERIODICITY CODE WHAT INFORMATION IS BEING INDICATED?
SAFETY OF SHIP ITEM
91
ON AN MRC YOU DISCOVER THAT PERFORMING THE CHECK AS WRITTEN CREATES AN UNSAFE CONDITION TO THE MAINTENANCE PERSON. YOU SHOULD SUBMIT A?
URGENT FBR
92
WHAT MAINTENANCE SHOULD BE PERFORMED TO RE-ACTIVATE A DLSS COMPRESSOR THAT HAS BEEN IN IEM CAT II?
START UPS (SU)
93
SHIP SPECIFIC TAGOUT REQUIREMENTS ARE CONTAINED IN WHAT MANUAL?
SHIPS ORGANIZATIONAL MANUAL (SORM)
94
WHAT COA SHOULD BE TAKEN WHEN MEMBERS IN THE 1ST CLASS DIVE PROGRAM ARE INVOLUTARILY REMOVED?
THEY WILL RETURN AT THE END OF THEIR NEXT DUTY ASSIGNMENT
95
DIVER REQUALIFICATIONS ARE ENTERED IN THEIR SERVICE RECORD IN WHAT NAVPERS FORM?
/613 (PG 13)
96
A DIVERS QUALS HAVE LAPSED FOR MORE THAN 1 YEAR BUT LESS THAN 3 YEARS. TO REQUAL WHAT ACTIONS SHOULD THEY TAKE?
PASS PST, CO’s APPROVAL
97
WHEN A DIVE CANDIDATE ADVANCES TO E-6 DURING DIVE TRAINING?
DISENROLLMENT FROM THE PROGRAM
98
WHAT TIME WINDOW MUST A DIVE CANDIDATE PERFORM THE FINAL PST PRIOR TO SHIPPING OUT?
WITHIN 30 DAYS OF CHECK IN
99
WHICH PERSONNEL MAY BE PLACED ON SUPERVISORY STATUS DUE TO INABILITY TO MEET PHYSICAL STANDARDS
MDV
100
REQUIREMENTS TO STAND THE DIVING OFFICER OF THE COMMAND
MUST BE DESIGNATED IN WRITING BY THE CO
101
WHEN A MK16 DIVER SIGNALS IN-WATER DCS, WHAT ACTION SHOULD THE SUP TAKE?
DEPLOY THE STANDBY
102
WHAT RISK FACTOR INCREASES WHEN DIVING MOD 1 VS MOD 0?
CNS O2 TOX
103
MOD 1 SINGLE UNTENDED DIVER CAN BE AUTHORIZED BY?
EOD DIVING OFFICER
104
WHEN IS THE MK16 PRIMARY BATTERY LVL CONSIDERED UNSAFE TO PERFORM A DIVE?
5.2 VOLTS
105
MK16 MAX 02 ATA
1.9 ATA
106
PROCEDURE FOR ASYMPTOMATIC 1.3 pp02, MISSED DECOMPRESSION STOP SHALLOWER THAN 33
DIVER MUST MANUALLY ADD O2 TO MAINTAIN 1.3 ATA, OR ELECT TO DESCEND PAST 33FT NTE 40 TO RE-TRANSITION UBA BEFORE RETURNING TO THE MISSED STOP.
107
TENDING LINE COLORED MARKINGS
REDS ARE 50 FT INCREMENTS, BLACK/YELLOWS ARE 10 FT INCREMENTS
108
WHAT TEMPERATURE REQUIRES A CANISTER INSULATOR FOR MK 25 CO2 SCRUBBER CANISTER?
40 DEGREES
109
WHAT IS PART OF A MK25 RIG JACKET?
RECs, FARs, MAINTENANCE HISTORY
110
WHAT RANGE DOES THE MK25 HP OXYGEN REDUCER MAINTAIN?
55-75 PSI
111
HOW TO IDENTIFY MK25 EXHALATION HOSE
LONGER IN LENGTH AND RED MARK
112
WHEN A REC IS REQUIRED FOR MK25
WHEN ENTERING THE PNEUMATIC SYSTEM
113
STEEL TUBULAR ELECTRODES CAN CUT WHAT THICKNESS?
2 INCHES
114
KERIE CABLE SIZES
6, 9, 12
115
TYPES OF STAVE BEARING LUBRICATION
BOUNDARY, MIXED-FILM, HYDRODYNAMIC
116
LEVEL 2 INSPECTION
SYSTEM SPECIFIC, NON-INVASIVE. REQUIRES NO DISASSEMBLY OF COMPONENTS
117
MAX HULL PAINT LIFE AFTER PERIODIC CLEANING
7 YEARS
118
TORPEDO TUBE GAP
1/4” - 1/2”
119
SPM GAP
1/8” – 1/4”
120
FOULING RATING
0-100, 10 PT INCREMENTS
121
FULL HULL CLEANING REQUIRED WHEN OVER 10 % OF THE HULL HAS WHAT FOULING RATING?
FR50
122
HOW MUCH FUEL EFFICIENCY/SAVINGS BENEFIT OF CLEANING AN ENTIRE HULL
50%
123
WHAT IS AN INTERIM CLEANING
RUNNING GEAR
124
NSTM TO ENTER A BALLAST TANK
NSTM 074 GAS FREE ENGINEERING
125
CPP BLADE NUMBERING
1A-2B-3C-4D-5E
126
WHAT FORM REQUIRED FOR AN RFI PROPELLER
NAVSEA 9245/1
127
CPP BLADE CHANGE PROPELLER POSITION
12 O’CLOCK
128
WHAT PERCENTAGE OF ANODE DETERIORATION REQUIRES REPLACEMENT
50%
129
WHEN PAINTING GREATER THAN 200 SQ FEET WHAT PAINT MACHINE IS USED
LPAM
130
DP CLASS SHIPS
IMO CLASS 2 OR 3
131
PREFERRED CLASS SHIP FOR FIREFIGHTING
T-ARS
132
SAT DIVING LIVING QUARTERS
DECK DECOMPRESSION CHAMBER (DDC)
133
WHOS APPROVAL REQUIRED FOR DIVING ABOVE 99 DEGREES
NAVSEA
134
REQUIRED APPROVAL FOR PLANNED DECOMPRESSION DIVES
CO OR OIC
135
NON DIVING RELATED CHAMBER TREATMENT APPROVAL REQUIRED
BUMED
136
THE THREE INDEPENDENT ACTIONS REQUIRED FOR AN ELECTRICAL SHOCK
GFI MUST FAIL, THE ELECTRICAL EQUIPMENT MUST EXPERIENCE A GROUND FAULT, DIVER MUST PLACE THEMSELVES BETWEEN FAULT AND GROUND.
137
WHAT CAN STRAIN RELIEFS BE MADE OF
CABLE, CHAIN, 21-THREAD, OR 3/8” NYLON. TIE WRAPS, TAPE, OR MARLIN NOT AUTHORIZED FOR MARRYING PURPOSES.
138
OTPA
RELIEVES @ 3300 AND RESETS @ 3000 ± 50. PILOT SHUTS DOWN @ 3250
139
CIVILIAN DIVER MAX DEPTH SCUBA/MIXED GAS
130/220
140
TREATMENT TABLE 9 EXTENSIONS
MAX OF 3 – 4 HOURS
141
TT9 DEPTH
45 FSW
142
TT9 ASCENT RATE
20 FPM
143
TT6/6A EXTENSIONS
UP TO TWO 25MIN PERIODS @60FSW, OR TWO 75MIN PERIODS @30 OR BOTH
144
NITROGEN NARCOSIS ATAs
4
145
GREATEST CAUSE OF MISHAP
FATIGUE
146
REQUIREMENTS FOR HOLDING DIVING OFFICER TITLE
THIS WAS A TRICK-ME QUESTION, I DON’T REMEMBER EXACT ANSWER BUT THE CORRECT ANSWER ALLOWS MDV TO ASSUME DIVE-O TITLE
147
SHALLOW WATER DIVE TABLE APPENDIX 2A RANGE
30 TO 50 FSW RANGE IN 1 FT INCREMENTS
148
NEUROLOGICAL ASSESSMENT- WHAT 6 THINGS
1. MENTAL STATUS
2. COORDINATION
3. MOTOR
4.CRANIAL NERVES
5. SENSORY
6. DEEP TENDON REFLEXES
149
OLFACTORY NERVE
PROVIDES SENSE OF SMELL
150
OPTIC NERVE
PROVIDES EYESIGHT
151
OCULOMOTOR, TROCHLEAR, ABDUCENS NERVES
THESE THREE NERVES CONTROL EYE MOVEMENTS
152
TRIGEMINAL NERVE
THE TRIGEMINAL NERVE GOVERNS SENSATION OF THE FOREHEAD AND FACE AND THE CLENCHING OF THE JAW. IT ALSO SUPPLIES THE MUSCLE OF THE EAR (TENSOR TYMPANI) NECESSARY FOR NORMAL HEARING
153
FACIAL NERVE
THE FACIAL NERVE CONTROLS THE FACE MUSCLES. IT STIMULATES THE SCALP, FOREHEAD, EYELIDS, MUSCLES OF FACIAL EXPRESSION, CHEEKS, AND JAW.
154
ACOUSTIC NERVE
CONTROLS HEARING AND BALANCE
155
GLOSSOPHARYNGEAL
THE GLOSSOPHARYNGEAL NERVES TRANSMIT SENSATION FROM THE UPPER MOUTH AND THROAT AREA
156
VAGUS NERVE
CONTROLS THE ROOF OF THE MOUTH AND VOCAL CORDS
157
SPINAL ACCESSORY NERVE
CONTROLS THE TURNING OF THE HEAD SIDE TO SIDE AND SHOULDER SHRUG AGAINST RESISTANCE
158
HYPOGLOSSAL NERVE
CONTROLS THE MUSCLE ACTIVITY OF THE TONGUE
159
FRESH WATER HAS A DENSITY OF
62.4 LBS PER CUBIC FOOT
160
SALT WATER HAS A DENSITY OF
64 LBS PER CUBIC FOOT
161
EGS limitations and requirements
Enough gas required to get the diver back to the stage, leave bottom, and ascend to the first deco stop ( at which divers goes on O2 hence no longer needing EGS)
- All divers must be equipped with EGS.
162
Hydroblast gun shall be not operated for more than __ mins by any one operator in any __ hour period
85 mins , 24 hours
163
Cleaning of masker belts should be performed in accordance with this chapter as authorized in
NSTM 081
164
What should be established before entering the water with tools
Voice communications
165
What are sea chests on ships `
Sea chests are opening in the ships hull below the water line. Sea chests serve as intakes or discharges between the ship and its sea valves for the drawing in or expulsion of seawater for the ships cooling system.
166
What are protection sleeves used for
Installed in sea chests to prevent galvanic corrosion of sea chest valves and piping components
167
Sea chests and protection sleeve drawing numbers are listed in
Standard Work Breakdown Structure series 120
168
The ICCP system and the sacrificial anodes are the
secondary system of protection
169
What is the primary protection for ships to avoid corrosion
Anti corrosion coating system
170
What are the different types of bolts used on CPP blades
morgrip and hytorq
171
What are vent hoses and fire hoses hydraulically tested to
Vent hose - 30 psi min for 10 mins
Fire hose - Hydro at 250 psi for 10 mins
172
Types of Towing Machines (Salvage)
Capstan & Gypsy Head
173
Capstan Max holding tension
45,000 lbs
174
Anchor windlass/wildcat can pull an ____ lb anchor from ____ feet
8,000 lb 360ft
175
One shot of chain is how many feet?
90 feet
176
Anchor on a ARS 50 Class
Stato
177
Beach Gear: Ground leg wire rope size
1 5/8 6x37
178
Beach Gear: Ground leg breaking strength
214,000 lbs
179
1 fathom is ___ ft
6 feet
180
Beach Gear: Retrieving pendant size
1 1/4 6x 37
181
Beach Gear in water deeper than ___ft is not recommended
300 feet
182
What Happened with the USS F-4
Sank off the coast of oahu in 304 fsw. Deepest dive on air led to the need of mixed gas operations. First submarine sinking
183
What happened with the USS S-4
Sub sank after collision with collision of coast guard vessel. Divers could tap to trapped sailors but could not connect air hose to sub. All sailors died. Led to the creation of the Momsen Lung.
184
Who created the first escape lung for sub rescue.
Charles Momsen, 1929
185
What happened with the USS Squalus
Divers used mixed gas to salvage. First use of HeO2. Rescued some of the sailors using the Erickson rescue chamber.
186
What event led to the Navys interest into Sub Safe program.
USS Thresher sinking in 8,400 fsw because of a bursting pipe.
187
Ships named after Navy Divers
Charles Momsen, Harvey Milk, Francis Hammerburg, Stetham, Carl Brashear.
188
Ship named after the first enlisted man
USS Osmand Ingram, first enlisted man killed during WWI
189
Sealab program
Experimental program that compromised of alot of research and dives for our dive charts and for saturation diving.
190
Navy Diver medal of Honor recipients
Francis Hammerburg
John Mihaloski
John McDonald
Frank Crilley
Tom Eadie
Orson Crandall
Willaim Badders
191
NSTM that governs O Rings
NSTM 078
192
NSTM that governs threaded fasteners
NSTM 075
