35.  All Navy ships have how many material conditions of readiness? 1.  One 2.  Two 3.  Three 4.  Four 36.  What material condition provides the least degree of watertight integrity? 1.  ZEBRA 2.  YOKE 3.  XRAY 37.  What material condition sets the highest degree of watertight integrity? 1.  ZEBRA 2.  YOKE 3.  XRAY 38.  Which of the following fittings are closed when condition ZEBRA is set? 1.  DOG Z fittings 2.  Circle X fittings 3.  Y fittings 4.  All of the above 39.  What means, if any, is used by repair parties to find damage control fittings and closures in each compartment? 1.  Master alfa list 2.  Compartment checkoff lists 3.  DC compartment checks 4.  None 40.  The Damage Control Closure Log is maintained in which of the following locations? 1.  DCC 2.  Quarterdeck 3.  Both 1 and 2 above 4.  Engineering spaces 41.  Which of the following logs is a list of all DC-related fittings that don’t work properly? 1.  Damage Control Closure Log 2.  Fire marshal pass down log 3.  Inoperative Fittings and Closures Log 4.  Bridge log 42.  What fittings are secured when the ship is set for “darken ship”? 1.  WILLIAM 2.  Circle WILLIAM 3.  DOG ZEBRA 4.  Circle ZEBRA 43.  The emergency escape breathing device (EEBD) supplies breathable air for what maximum period of time? 1.  10 minutes 2.  15 minutes 3.  20 minutes 4.  25 minutes 44.  With training, you should be able to activate the EEBD within what maximum period of time? 1.  10 seconds 2.  20 seconds 3.  30 seconds 4.  40 seconds 45.  Which of the following breathing devices should NOT be worn for fire-fighting purposes? 1.  OBA 2.  SEED 3.  SCBA 46.  The oxygen breathing apparatus (OBA) has an effective time limit of oxygen supply for what approximate period of time? 1.  15 minutes 2.  25 minutes 3.  35 minutes 4. 5 minutes 47.  Which of the following is the primary fire fighting tool for respiratory protection? 1.  EEBD 2.  SEED 3.  OBA 4.  SCBA 48.  From the time it is activated, each cylinder used in the self-contained breathing apparatus (SCBA) will last approximately what length of time? 1.  15 minutes 2.  30 minutes 3.  45 minutes 4.  60 minutes 12-32