2-52. In  regard  to  centralized  and decentralized files, you would most likely keep what type (a) on a destroyer and (b) at a large shore command? 1. (a) (b) 2. (a) (b) 3. (a) (b) 4. (a) (b) Centralized decentralized Decentralized centralized Centralized centralized Decentralized decentralized 2-53. Control and responsibility for filing  systems  are  assigned  to  one or two YNs. 1. True 2. False 2-54. In  decentralized  filing  systems, should  uniform  filing  practices  be followed? If so, who is responsible? 1. Yes; the office supervisor 2. Yes; the YN who opens the mail 3. Yes; the division leading chief 4.   No 2-55. Of  the  following  size  documents, which one does NOT require a specialized  file  cabinet? 1. 8   1/2   X   11 2. 10   1/2   x   13 3. 11 x   14 4. 12 x   14 2-56. Standard file folders are available in a total of how many sizes? 1. One 2.   Two 3. Three 4. Four 2-57. Of the following types of folders, which one spaces the labels across the drawer so that a label will not be hidden by the folder in front of it? 1. One cut 2. Straight cut 3. One-third cut 4. Two-third cut 2-58. A Navy letter carries a subject identification  number  of  8510. What is the major subject group of this  letter? 1. Logistics 2. General  material 3. Ordnance  material 4. Operations and readiness 2-59. Of the following subject identification  codes,  which  one pertains  to  civilian  personnel? 1. 5000 2. 8000 3. 10000 4. 12000 2-60. A  document  should  be  cross- referenced  under  which  of  the following   circumstances? 1. When it contains more than one subject 2. When two or more subject codes are  used  within  the  document 3.  When enclosures are separated from  the  basic  correspondence 4. Each of the above 2-61. If a document is to be removed from a file, it must be accounted for and the identity of the person holding it must be recorded. 1. True 2. False 12