A5. The  DCPO  is responsible for making sure that all battle lanterns, dog wrenches, spanners, and other damage control equipment are in place and in a usable condition within their division. A6.  Before anyone enters a poorly ventilated space or void, the  gas free engineer  (GFE) certifies the space as safe. REVIEW 2 ANSWERS A1. The battle phase of damage control starts  when the ship receives actual damage. A2. The battle station for the DCA is  DCC/CSS. A3.  DCC receives reports and casualty status from repair parties. A4.  The minimum requirement to be a member of the in-port emergency team is to be   repair party qualified. A5.  The  primary  missions  of  the  rescue  and assistance team are  to assist persons from the water,  other  units  in  distress,  and  other persons or activities in distress ashore. A6. General  quarters    is  the  highest  state  of readiness. REVIEW 3 ANSWERS A1.  The X40J circuitry is commonly referred to as the  salt and pepper line. A2.  The alarms that can override the microphone control of the IMC are the a.   Collision b.   Chemical attack c.   General d.   Flight crash A3.  When  all  communications  systems  fail, messengers   are used to deliver messages and orders between repair lockers and DCC. REVIEW 4 ANSWERS A1.  Survivability  of  the  ship  can  be  ensured  by compartmentation. A2.  The three basic material readiness conditions are— a.   XRAY b.YOKE c.   ZEBRA A3. Material  condition   XRAY   provides  the  least amount of watertightness. A4. Normally, YOKE is set at sea and in port during wartime. A5. Material condition  ZEBRA  is set when GQ is sounded. A6. DOG ZEBRA  fittings are closed to set darken ship. A7.  To  find  a  list  of  all  DC  fittings  within  a c o m p a r t m e n t ,  y o u  s h o u l d  r e f e r  t o  t h e compartment checkoff list. REVIEW 5 ANSWERS A1. The EEBD is designed to provide 15 minutes of air. A2.  You should stay away from open flames when you first remove an EEBD because your hair is saturated with oxygen and could catch fire. A3.  When donning an EEBD, you should hear a hissing sound. A4. Engineering watch standers wear a  SEED. A5. The effective time of an OBA is  45 minutes. A6. You pull the cotter pin on an OBA   after the canister has been inserted in the OBA and locked in place. REVIEW 6 ANSWERS A1. Fire prevention is the responsibility of all hands. A2.  The three components that make up a fire are— a.   Heat b.   Fuel c.   Oxygen. 12-27