1-23. 1-24. 1-25. 1-26. 1-27. 1-28. To speed troubleshooting, the technician may use which  of  the  following  diagrams  by  answering  a branching  series  of  questions  about  an  observed system  fault? 1.  Fault  logic  diagrams 2. Signal-flow diagrams 3.  Pyramid  diagrams 4. Both 2 and 3 above What diagram shows the signal flow from an input to an output function? 1.  Signal-flow  diagram  only 2. Fault logic diagram only 3. Signal-flow diagram and fault logic diagram 4. Pyramid diagram Pyramid  diagrams  pertain  to  the  sole  dependency  of the  subassemblies  essential  to  each  function  of  a  piece of equipment. 1.   True 2.   False The relays and lamps are cross-indexed by which of the  following  characteristics? 1.  Zone 2.   Sheet 3.  Figure 4.   All   of   the   above Relay  lamp  ladder  diagrams  show  the  energizing paths  for  relays  and  indicator  lamps  that  are  not covered by which of the following diagrams? 1.  Pyramid 2.  Fault  logic 3.  Signal  flow 4.  Fault  analysis The relay lamp ladder diagram shows which of the following components in the energizing path? 1. 2. 3. 4. Transistors  and  switches Lamps and switches Cabling and wiring Coils and lamps 1-29. 1-30. 1-31. 1-32. 1-33. 1-34. Cooling  systems  are  essential  to  the  satisfactory operation of which of the following equipments? 1. Shipboard weapons systems only 2.  Heat  exchangers/transferers  only 3. Air conditioning units only 4. All shipboard electronic equipment The typical liquid-cooling system used for electronic fire-control  equipment  has  what  total  number  of  basic systems? 1.   One 2.   Two 3.   Three 4.   Four Aboard ship, the initial source of cooling water is the 1. 2. 3. 4. primary  liquid-cooling  system secondary liquid-cooling system air conditioner receptacles expansion  tanks If  you  are  in  an  emergency  situation  aboard  ship wherein you need to immediately locate a portable emergency hose, where would you normally find that hose? 1. In the supply room 2. In the cook’s galley 3. In the maintenance department 4. In the liquid-coolant machinery room In types II and III liquid-cooling systems, chilled water is taken from the 1.  fire  main 2.  supply  main 3.  alternate  main 4.  secondary  main What is the coolant normally used in the secondary liquid-cooling system? 1.  Antifreeze 2.  Fresh  water 3.   Saltwater 4.  Distilled  water 3