3-19. 3-20. 3-21. 3-22. Question 3-19 is to be judged True or False. When  practicable,  during  a  battle problem,  pertinent  information  should  be given  verbally  by  observers  to  the  ship's crew. When  may  an  observer  coach  ship's  person- nel  during  a  battle  problem? 1. When  questioned  by  personnel concerning  imposed  casualties 2. When imposed casualties are undiscovered  by  personnel 3. When  it  is  inconvenient  to  simulate casualties 4. When  the  corrective  action  taken  by personnel  is  inappropriate During a battle problem, a valve must be closed in order to simulate a casualty to a main engine. Which  of  the  following personnel  should  actually  close  the valve? 1. The  assistant  inspector 2. A  member  of  the  observing  party 3. A  member  of  the  ship's  engineering force 4. Either a member of the ship's engineering  force  or  a  member  of the  observing  party During  a  battle  problem,  an  observer  has requested  that  the  feedwater  to  the boilers be shut off to simulate a boiler casualty. What  should  the officer  of  the watch do? engineer 1. Direct  the  engineroom  personnel  to  do whatever  the  observer  requests 2. Not permit this to be done 3. Make  sure  the  supply  of  lubricating oil  to  the  main  engines  is  stopped at the same time 4. Allow  only  the  observer  to  handle the  shutoff  valve 3-23. Which  of  the  following  personnel  are responsible  for  setting  up  provisions  for emergency action in case of a real casualty  during  a  battle  problem? 3-24. 3-25. 3-26. 3-27. 3-28. Who  uses  the  engineering  telephone  cir- cuits  during  the  battle  problem? 1. The  observing  party,  to  announce start and end of the problem 2. The observing party, in case of actual  casualty 3. The  ship's  personnel,  in  case  of actual  casualty 4. The  ship's  engineering  personnel,  to cope  with  the  battle  problem  assigned to the ship Question 3-25 is to False. be  judged  True  or In  a  shipboard  battle  problem,  observers should  use  equal  effort  to  note excellence  as  well  as  weakness. The  analysis   of a battle divided  into   two  steps: problem   is 1. critique  and  observers'  reports 2. captain's  report  and  observers' reports 3. critique  and  ship's  company  report 4. observers'   and  ship's  company  reports Which  of  the  following  personnel  attend the  critique  that  is  held  aboard  ship after  a  battle  problem? 1. Commanding  officer,  department  heads, chief  observer,   and  senior  observers 2. All  ship's  officers,  chief  observer, and  senior  observers 3. All  ship's  officers,  some  chiefs  and first  class  petty  officers,  chief observer,   and  senior  observers 4. All  ship's  officers,  some  chiefs  and first  class  petty  officers,  and  chief observer Who  sets  down  the  format observers'  reports? of  the 1. The  senior  observer  for  each  depart- ment 2. The  chief  observer 3. The  type  commander 4. The  fleet  commander 1. Type  commander 2. Ship's  company  and  the  observing party 3. Ship's  company  only 4. Observing  party  only 17