4-25. What color filter should you use to  expose  IR  black-and-white  film? 1. Red 2. Green 3. Blue 4. Yellow 4-26. What  color  filter  should  you  use to expose color IR film? 1. Red 2. Green 3. Blue 4. Yellow 4-27. You  should  NOT  develop  Kodak Ektachrome film in which of the  following  processes? 1. E-6 2. ME-4 3. EAR-5 4. E-4 4-28. What color filters are used to control  haze  in  aerial  photography? 1. Green and blue 2. Red and green 3. Blue  and  yellow 4. Yellow  and  red 4-29. In  black-and-white  aerial photography,   which of the following filters  provides  the  greatest  haze penetration? 1. No. 8 2. No. 15 3. No.    25 4. No.    2B Learning  Objective: Recognize procedures  used  for  taking  aerial photographs. 4-30. You are taking a low-oblique aerial photograph from a high altitude. What is the best method for determining  your  camera  exposure setting? 1. Take a light meter reading from the ground before boarding the aircraft and use this setting 2. Use  the  substitution  method by using a light meter reading from a gray aircraft engine or wing 3. Take  an  air-to-ground  light meter reading and use this setting 4. Set the aperture to f/5.6 and do not vary from this setting 4-31. 4-32. 4-33. 4-34. 4-35 You are using a map with a scale of 1:15,000. Therefore,   1 inch on the map represents what number of feet on the ground? 1. 1,250 2. 5,000 3. 7,500 4. 15,000 What is the scale of an image shot from an altitude of 10,000 feet with a camera having a 3-inch focal-length  lens? 1. 1:10,000 2. 1:20,000 3. 1:30,000 4. 1:40,000 You should have what percentage of overlap  between  exposures  when taking  aerial  photographs  for  a strip? 1. 20% 2. 40% 3. 60% 4. 80% When  overlapping  aerial  photographs for a mosaic map, you should use what  section  of  each  photograph? 1. The center 40 percent 2. The center 60 percent 3. The outer 40 percent 4. The outer 60 percent When you are making mosaic maps, what is the side lap between each strip? 1. 20 percent 2. 40 percent 3. 60 percent 4. 80 percent Learning  Objective: Demonstrate the  calculations  necessary  for an aerial mapping mission. IN ANSWERING QUESTIONS 4-36 THROUGH 4-48, USE  THE  FOLLOWING  INFORMATION: a. An area to be mapped photographically  is  15 nautical  miles  north  and  south by 25 nautical miles east and west. b. Forward  overlap  required is 60 percent; side lap 40  percent. C. Photography scale is 1:17,000. 24