IN ANSWERING QUESTIONS 8-29 THROUGH 8-31, REFER TO FIGURE 8-4 IN YOUR TEXT. 8-29. Which of the following labels should  be  written  above  a  course line  to  indicate  direction? 1. CØ45°T 2. C 45 3. CØ45M 4. C 45M 8-30. Which  of  the  following  labels should  be  written  below  a  course line to indicate the rate of movement? 1. 12-S 2. SØ12 3. Ø12S 4. S12 8-31. A maximum of how many hours should a DR be layed out from a fix? 1. 1 2. 2 3. 3 4. 4 Figure  8-A IN ANSWERING QUESTIONS 8-32 THROUGH 8-36, REFER TO FIGURE 8-A. FIGURE 8-A PERTAINS TO NAVIGATION PLOTTING SYMBOLS. RESPONSES MAY BE USED MORE THAN ONCE. 8-32. What letter represents an accurate fix  obtained  by  visual  means without  reference  to  any  previous position? 8-33. What letter represents a relatively accurate  fix  obtained  by  electronic means without reference to any previous  position? 1. A 2. B 3. C 4. D 8-34. What  letter  represents  a  fix  of questionable  accuracy  that  was determined  with  reference  to  a previous position and prevailing conditions? 1. A 2. B 3. C 4. D 8-35. What  letter  represents  a  relatively accurate  fix  obtained  by  means  of visual  bearings  and  radar  ranges? 1. A 2. B 3. C 4. D 8-36. What letter represents a DR position? 1.    A 2. B 3. C 4. D 8-37. When figuring a PIM, how often are points  indicated  and  in  what  type of time? 1. 2 hr, LMT 2. 4 hr, LMT 3.    4 hr, GMT 4. 8 hr, GMT 8-38. When distance is to be indicated on a plot, the distance may be indicated  in  which  of  the  following increments? 1. Feet 2. Yards only 3. Miles  only 4. Yards  or  miles 1. A 2. B 3. C 4. D 51