• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/46

Click to flip

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;

46 Cards in this Set

  • Front
  • Back

WHAT ARE THE 5 STEPS TO ORM?

IDENTIFY HAZARD


ASSESS HAZARD


MAKE RISK DECISION


IMPLEMENT CONTROLS


SUPERVISE

WHAT ARE THE THREE PHASES OF ORM?

IN DEPTH


DELIBERATE


TIME CRITICAL

IN ACCORDANCE TO ORM, WHICH DATA IS REQUIRED FOR ALL DIVING OPERATIONS?

(A) SURFACE CONDITIONS


(B) UNDERWATER CONDITIONS


(C) EQUIPMENT AND PERSONNEL RESOURCES


(D) ASSISTANCE AND EMERGENCIES

ANY VESSEL BEING USED TO SUPPORT SURFACE SUPPLIED OR TENDED DIVING OPERATIONS ON FIXED OBJECTS SHALL BE AT LEAST A ___________________ OR USE A DYNAMIC POSITIONING (DP) VESSEL.

TWO POINT MOOR.

WHAT ARE THE TWO EXCEPTIONS TO DIVING FROM A TWO POINT MOOR?

A) WHEN MOORED ALONGSIDE A PIER OR ANOTHER VESSEL THAT IS PROPERLY ANCHORED.



B) WHEN A SHIP IS PERFORMING DIVING DURING OPEN OCEAN TRANSITS AND CANNOT MOOR DUE TO DEPTH.

A DIVER WEARING A SURFACE SUPPLIED OUTFIT, SUCH AS THE MK21/KM-37 SSDS WITH HEAVY WEIGHTS, CAN USUALLY WORK IN CURRENTS UP TO ___________ KNOTS WITHOUT UNDUE DIFFICULTY?

1.5

A DIVER SUPPLIED WITH AN ADDITIONAL WEIGHTED BELT MAY BE ABLE TO ACCOMPLISH USEFUL WORK IN CURRENTS AS STRONG AS _________ KNOTS.

2.5

A SUCBA DIVER IS SEVERELY HANDICAPPED BY CURRENTS GREATER THAN?

1 KNOT

WHAT MUST YOU DO AS A MINIMUM FOR SCUBA DIVERS IN CURRENTS GREATER THAN 1 KNOT?

TENDED OR HAVE A WITNESS FLOAT

WHAT ARE THE FOUR MAIN TYPES OF AIR DIVING EQUIPMENT USED IN U.S NAVY DIVING OPERATIONS?

(A) OPEN-CIRCUIT SCUBA


(B) MK 20 MOD 0


(C) MK 21 MOD 1/KM-37


(D) EXO BR MS

WHAT FACTORS ARE TO BE CONSIDERED WHEN SELECTING THE DIVING TECHNIQUE?

(A) DURATION AND DEPTH OF THNE DIVE.


(B) TYPE OF WORK TO BE PERFORMED.


(C) ENVIRONMENTAL CONDITIONS


(D) TIME CONSTRAINTS


A level I chamber is defined as what?

A US Navy certified recompression chamber close enough to the dive site to support surface decompression with a surface interval of 5 mins. (NOTE 1,2)

A level II chamber is defined as what?

A U.S Navy certified recompression chamber accessible within one hour of the casualty (NOTE 2)

A level III chamber is defined as what?

A U.S Navy certified recompression chamber accessible within six hours of the casualty. (NOTE 3,4)

What is chamber note 1?

Based on space constraints at the site, the Commanding Officer may authorize extension of the surface interval to a maximum of 7 mins IAW Para 9-12.6 and 14-4.14.

What is chamber note 2?

A non-Navy chamber may be used to satisfy the requirement if approved in writing by the CNO.

What is chamber note 3?

A non-Navy chamber may be used to satisfy the requirement if approved in writing by the Commanding Officer.

What is chamber note 4?

During extreme circumstances when a chamber cannot be reached within 6 hours the Commanding Officer can give authorization to use the nearest approved recompression facility.

What are the 11 minimum item that are to briefed during a sup brief?

1) Dive Objectives


2) Time and Depth limits for the dive


3) Task Assignments


4) Buddy Assignments


5) Work techniques and tools


6) Phases of the dive


7) Route to the work site


8) Special signals


9) Anticipated conditions


10) Anticipated hazards


11) Emergency procedures

What is the normal and max depth limit for SCUBA?

130 Normal


190 Max

When is a octopus required to be used?

a) Standby Diver


b) Ice/cold water diving


c) DOD Civilians

What is the minimum cylinder size authorized for use?

50 cubic ft

(TRUE/FALSE) SCUBA equipment is not authorized for use in enclosed space diving?

TRUE

Open-circuit SCUBA dives requiring decompression may ben made only when considered absolutely necessary and authorized by the?

Commanding Officer or OIC

If air supply is not available, what will be pervaded to the divers for decompression?

A backup unit

All surface supplied diving systems must include a ____________and a_______________ air supply IAW the MAN10?

Primary and Secondary

What three modes of decompression are combined in the Air Decompression Tables?

1) In-water decompression on air


2) In-water decompression on air and O2


3) Surface decompression on oxygen

Deviations from established decompression procedures are not permitted except in an emergency and with the guidance and recommendation of _____________ with the Commanding Officer and OIC approval.

DMO

In-water Decompression on Air is most suitable for dives that do not exceed how many mins of decompression?

:15

When is In-water decompression strongly recommended?

Whenever the total decompression stop time on air exceeds :15 and surface decompression is not a viable alternative.

How long do you ventilate each diver after shifting to 100% O2?

20 seconds

Ounce diver shave neen recovered into the chamber, a second dive team can begin descent, provided the chamber and the SSD system have what?

Separate air supplies

Use of an inside tender, when two divers undergo surface decompression, is at the discretion of who?

Dive Supervisor

when are the divers eligible for SurD?

Upon completion of their 40fsw stop.

What is the travel rate from bottom to 40fsw and from 40fsw to surface

30fpm to 40fsw and 40fpm to surface.

How long do the tenders have to remove the breathing apparatus and the diving dress and assist the divers into then chamber?

:3::30

what is the maximum travel rate to 50 fsw in the chamber during a SurD?

100FPM

What is the maximum surface interval from 40fsw to 50 ft in the chamber without incurring a penalty?

:05

where are periods 2-4 spent?

40 ft

where is time spent if more than 4 periods are required?

30 ft

what is the ascent rate from 50 to 40 and from 40 to 30fsw in the chamber?

30fpm

Is ascent time from 50 to 40 included in the first oxygen breathing period?

yes

when should ascent from 40 to 30, if required be taken?

during an air break

what is the air break considered during a SurD?

Dead time

When the last oxygen breathing period has been completed, return the divers back to surface breathing what?

chamber air.

Ascent in the chamber during a SurD is?

30fpm