6-21. Personnel  should  be  entered  in  a hearing  testing  program  if  they  are required  to  work  in  a  designated noise  hazard  area  with  sound  levels that  average  more  than  what  maximum decibel  (dB)  level? 1.    25  dB 2.    56 dB 3.   78   dB 4.   84 dB 6-22. Which  of  the  following  tasks requires  that  you  wear  eye protection  while  preforming  the job? 1.   Sandblasting 2.    Pouring    molten    metals 3.   Dust-producing   operations 4.   Each   of   the   above 6-23. Which  of  the  following  personnel  is responsible  for  identifying  eye- hazardous  areas? 1. S a f e t y    o f f i c e r 2.    Commanding    officer 3. Safety petty officer 4.    Work    center    supervisor 6-24. If  a  worker  has  a  visual  impairment in  one  eye,  the  person  is  required to  wear  protective  eye  wear  when performing  which  of  the  following jobs? 1.    Combat  duties 2.    Mess    cooking    duties 3.   Standing   a   military   watch 4.   Each   of   the   above 6-25. A  heat  stress  survey  should  be conducted  whenever  the  work  station dry-bulb  reading  exceeds  what temperature? 1. 100  °F 2. 90 °F 3. 80 °F 4 . 75 °F 6-26. The  controlling  document  for  the entire  tag-out  procedure  is  the 1.    3-M Manual 2.    tag-out  log 3.    maintenance    manual 4.    NAVOSH  Manual  for  Forces  Afloat 6-27. The  number  of  tag-out  logs  that each  ship  class  must  maintain  is specified  by  which  of  the  following individuals? 1.    Chief  of  Naval  Operations 2.    Commanding  officer 3.   Squadron   commander 4.    Force  commander 6-28. The  tag-out  log  has  4  sections maintained within the log. 1.    True 2.    False 6-29. On  non-nuclear  ships  a  tag-out audit  is  conducted  every 1.  week 2.   two  weeks 3.   month 4.   quarter 6-30. Your  signature  on  the  tag-out  log after  an  audit  serves  which  of  the following   purposes? 1.    That you have seen the log 2.    That  you  found  no  errors  in  the l o g 3. That you have signed “By direction”  for  the  commanding o f f i c e r 4 .    That  the  log  is  verified  up  to date 6-31. When  placed  in  a  survival situation,  what  publication(s) give(s)  the  senior  person  the authority  to  be  in  charge? 1.   Code  of  Conuct 2.   Navy  Regulations 3. Both 1 and 2 above 4. Secret ballot voting 41