4–21. Which of the following is a good publication to help you gain an indepth  understanding  of  COSAL? 1. SPCCINST  4441.170 2. NAVSUP  P–485 3. NAVSUP  Publication  409 4. NAVSO  P–3013 4–22. Which of the following is a description of how the COSAL is divided? 1. 3 parts with no sectional division 2. 3 parts; each part contains sections 3. 2 parts with no sectional division 4. 2 parts;   each  part  contains sections 4–23. Part II of the COSAL contains all EXCEPT which of the following information? 1. Allowance Parts Lists (APLs) 2. Circuit  Symbol  Numbers  (CSN) 3. Integrated Stock List (ISL) 4. Allowance  Equipage  Lists  (AELs) 4–24. What part of the COSAL contains the various  Stock  Number  Sequence  Lists (SNSLs), Stock Number Cross Reference  Lists,  and  lists  of generally  used,  consumable,  non– equipment  related  items? 1. Part I 2. Part  II 3. Part III 4. Part IV 4-25. The  summary  of  Effective  Allowance Parts/Equipage  Lists  (SOEAPL)  in Part I of the COSAL used on your ship  lists  the  effective  APLs  that apply to which of the following ships? 1. All of the ships in the Navy 2. Only Navy ships of the same type as your ship 3. Specially  designated  ships 4. The specific ship for which the summary  is  published 4–26. Which  of  the  following  information is contained in the SOEAPL (Part I of  COSAL)? 1. Numerical  sequence  listing  of APLs 2. Numerical  sequence  listing  of AELs 3. Numerical  sequence  listing  of ACLs 4. All of the above 4–27. Which  of  the  following  describes the difference between the two sections  of  the  COSAL  index? 1. The information is the same; however,    Section A lists equipment  by  service application,    and Section B lists  equipment  by  equipment name 2. The information is the same; however,    Section A lists equipment  by  name,  and  Section B lists equipment by service application 3. Section  A  indexes  APLs;  Section B indexs AELs 4. Section  B  contains  more detailed  information  than Section A IN  ANSWERING  QUESTION  4–28,  REFER  TO FIGURE 3-C IN SPCCINST 4441.170. 4–28. What does the number “1” in column 5 of the index for AEL 7–670052808 indicate? 1. The quantity in use for each service  application 2. The  recommended  allowance column that applies to your ship for this item 3. The  AEL  column  number  from which  the  allowance  is determined 4. The  required  storeroom  quantity for  this  equipage  item 29