4 - 2 4 .   CO₂ is  more  likely  than  other fire-fighting  agents  to  allow  which  of the  following  conditions  to  occur? 1. Explosions 2.  Residue  buildup 3.  Reflash 4.  Electrical  shock 4-25.  Halon  1301  discharges  in  a  maximum  of how many seconds? 1. 5  seconds 2.  10  seconds 3.  15  seconds 4.  20  seconds 4-26.  Which  of  the  following  statements pertaining  to  PKP  is  NOT  true? 1.  PKP  has  a  high  cooling  capability 2. PKP forms an opaque cloud 3.  PKP  attacks  the  chain  reaction required  to  sustain  a  fire 4.  PKP  is  primarily  used  to  extinguish flammable  liquid  fires 4-27.  Which  of  the  following  statements pertaining  to  PKP  is  true? 1.  PKP  produces  a  lasting  inert atmosphere 2.  PKP  is  effective  on  class  A  fires 3.  PKP  can  be  used  to  fight  galley f i r es 4.  PKP  can  not  be  used  on  electrical f i r es 4-28.  Which  of  the  following  devices  will provide  personnel  with  respiratory  and eye  protection  in  an  atmosphere  that will  not  support  life? 1. EEBD 2. MK5 3. OBA 4. SCBA 4-29.  What  you  do  in  the  first  few  moments after a CBR attack may determine whether or not you survive? 4-30.  Who  maintains  the  master  copies  of each  original  and  partial  compartment c h e c k o f f    l i s t? 1. The CHENG 2. The CMAA 3. The DCA 4. The XO 4-31.  What  material  condition  provides  the least  amount  of  protection  aboard ship? 1. WILLIAM 2. XRAY 3. YOKE 4. ZEBRA 4-32. What type of fitting is marked with a red  Z  inside  a  black  D? 1. XRAY 2. CIRCLE WILLIAM 3. WILLIAM 4. DOG ZEBRA 4-33. The closure log is maintained under which  of  the  following  conditions? 1.  Emergency  only 2.  Inport  only 3.  Underway  only 4.  At  all  times 4-34.  Division  damage  control  and firefighting  equipment  must  be inspected  and  tested  in  accordance with  which  of  the  following p u b l i c a t i o n? 1.  Manufactures’  technical  manuals 2.  Maintenance  Requirement  Cards 3.  Naval  Ships’    Technical   Manuals 4.  Posted  operating  procedures 4-35.  Who  is  responsible  for  conducting daily  inspections  of  division  spaces for  the  elimination  of  five  hazards? 1. The XO 2. The DCPO 3. The LPO 4. The WCS 1. True 2.  False 23