3-47. A complete list of electronic cable designations  may  be  found  in  what NAVSHIPS   publication? 3-54. Individual  circuits  and  parts  may be checked more easily by using which  of  the  following  diagrams? 1. 0924-000-0140 1. Detailed  schematic  block 2. 0945-001-1124 2. 3. 0967-000-0140 Servicing  block 3. Schematic 4. 0932-101-1202 4. Isometric IN ANSWERING QUESTIONS 3-48 AND 3-49, SELECT FROM FIGURE 6-9 IN THE TEXTBOOK THE CIRCUIT  OR  SYSTEM  DESIGNATION  DESCRIBED  IN THE QUESTION. 3-48. Aircraft  early  warning  radar. 1. R-EA 2. R-EW 3. R-EZ 4. R-S 3-49. Height  determining  radar. 1. R-EF 2. R-EG 3. R-EW 4. R-EZ 3-50. A simplified block diagram is shown in which of the following figures in the textbook? 1. 6-10 2 6-11 3. 6-12 4. 6-13 3-51. On  shipboard  prints,  what  number  or letter  identifies  the  circuit differentiating  portion  of  cable marking  2R-ET-3? 1. R 2. 2 3. 3 4. E 3-52. Block  diagrams  describe  the functional  operation  of  electronics systems  in  a  different  manner  than they do in electrical systems. 1. True 2. False 3-53. Which of the following diagrams may be used to troubleshoot as well as identify  function  operations? 1. Detailed  schematic  block 2. Servicing  block 3. Functional  block 4. Both 2 and 3 above 3-55. In  detailed  schematic  diagrams, signal flow is shown moving in what direction? 1. Top  to  bottom 2. Right to left 3. Left to right 4. Bottom  to  top 3-56. In a wiring circuit diagram, grounds, grounded elements, and returns  are  identified  by  what color? 1. Orange 2. Brown 3. Black 4. Violet 3-57. The  reference  designations currently used to identify parts in electronic  drawings  are  part  of  the block  numbering  system. 1. True 2. False 3-58. A system is defined as two or more sets and other assemblies, sub-assemblies,    and  parts  necessary to  perform  an  operational  function in  what  numbering  system? 1. Block 2. Reference 3. Unit 4. Group 3-59. What is the highest level in the assignment  of  reference designations  for  the  current electronics  designation  system? 1. Set 2. Unit 3. Part 4. Assembly 19