DCASE Final Exam
What you need in your library as DCA? - ANS-1. aviation capable ships - crash and
salvage
2. maintenance program for USN and USCG
Responsibilities of CO - ANS-Overall responsibility, ensure adequate DC training, be
aware of status of DC
Responsibility of XO - ANS-DCTT leader, ITT leader, familiarity with all DC evolutions,
supervision of all DC actions, and make provisions for alternate organization
Responsibilities of EO - ANS-damage control officer, supervise DCA, R division,
departmental budget, organize and supervise training of repair 5, authorizes use of
installed ventilation to de-smoke, support the DCA
responsibilities of DCA - ANS-prevention and control of damage, watertight integrity, DC
Central, DC markings, CCOL, DC book, DC plates, gas free engineering, liquid load and
daily draft report
Fire Marshal - ANS-NTTP 3-20.31, senior enlisted DC, DCTT & GFE qualified, "watch
free", OIC of flying squad, house keeping, safety, flammable liquids, welding/burning,
and material condition.
DCPO - ANS--one from each division, serve as DCPO for 6 months
-responsibilities: learn DC firefighting and CBRN-D procedures,
preparation&maintenance of DC check-off lists for all spaces they are assigned
-qualification: DCPO PQS, DC PQS 301-306, XO designation letter
X-RAY - ANS-set when the ship is in no danger of attack, all x-ray fittings closed at all
times, provides minimum level of protection
yoke - ANS-set and maintained at sea, in port outside of normal working hours, both
x-ray and yoke closures and fittings are secured, provides moderate level or protection
, zebra - ANS-set at Condition 1, all x-ray yoke and zebra fittings are secured, provides
maximum level of protection
Circle Yoke/Circle X-ray - ANS-fittings used for access when transiting to battle stations,
transferring ammunition, space/equipment checks, opened without permission, must be
closed immediately
Circle Zebra - ANS-set with zebra, used for operating during extended battle conditions
(battle messing, limited use of heads, ventilating battle stations, transiting squadrons to
flight deck), opened with CO permission
Dog Zebra - ANS-set with zebra, darken ship
Circle William - ANS-normally open, secured to prevent CBRN contamination, requires
CO's permission to set
William - ANS-normally open, provides services to vital systems, only secured to control
damage, prevent contamination, repair equipment
modified zebra - ANS-driven by ship policy, between yoke and zebra (provides better
survivability, fast response, enough accessibility for long term use), can be set for
UNREP/VERTREP, air operations, amphibious operations, heavy weather
distributed stowage - ANS-if casualty on one part of the ship, not all DC equipment/
capabilities are lost
casualty power design features - ANS-preserves watertight integrity, simple to install,
flexible, interchangeable, min weight and space retirements. It is rigged to load source
casualty power RPM location - ANS-chapter 6
Casualty power colors - ANS-green- permanent (installed)
red- portable cables
Metacenter - ANS-point of intersection of two successive lines of action of the force of
buoyancy as the ship is inclined through a very small angle
center of gravity - ANS-point at which the entire weight of the ship may be considered to
be concentrated
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