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ASSIGNMENT 13-Cont. - 14018_774
ASSIGNMENT 13-Cont. - 14018_776

Aviation Structural Mechanic (H&S) 3&2 - How airplanes are built and how to maintain them
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IN ANSWERING QUESTION 13-47, REFER TO FIGURE 14-17 IN THE TEXTBOOK. 13-47. The corners of the rectangular cutout must have what minimum radius? 1. 1/8 in. 2. 1/4 in. 3. 3/8 in. 4. 1/2 in. 13-48. You are repairing a balsa wood core component. When you use two rows of rivets,    the inner patch should overlap the hole in the core by what prescribed amount? 1. 1 in. 2. 2 in. 3. 3 in. 4. 4 in. IN ANSWERING QUESTION 13-49, REFER TO TABLE 14-1 IN THE TEXTBOOK. 13-49. 13-50. 13-51. 13-52. Which of the following components of SH-60B aircraft are manufactured from advanced composite materials? 1. The gearboxes 2. The scarf joints 3. The upper canopies 4. The horizontal stabilizers Which of the following factors is a disadvantage of advanced composite materials over metals? 1. Repair capability 2. Expense of materials 3. Corrosion resistance 4. Weight of the material In an advanced composite material, what is the homogeneous resin binder known as? 1. Pulp 2. Paste 3. Matrix 4. Laminate The damage to advanced composite materials may be categorized in which of the following ways? 1. Natural 2. Organic or physical 3. Organic or environmental 4. Physical or environmental 13-53. When performing a tap test on advanced composite materials, you should use a hammer that weighs about 3 ounces. 1. True 2. False 13-54. A section of advanced composite material has water trapped in the honeycomb area.   This is what class of repairable damage? 1. Class IV 2. Class V 3. Class VI 4. Class VII 13-55. The drill motors used on advanced composite materials should be capable of what maximum speed? 1. 5,000 rpm 2. 6,000 rpm 3. 7,000 rpm 4. 8,000 rpm 13-56. When working with advanced composite materials, which of the following personnel hazards should be your principal concern? 1. Contact with the dust on your hands 2. Contact with the matrix on your clothing 3. Inhalation of airborne dust and fibrous particles 4. Inhalation of fumes before the matrix has completely cured 13-57. The flashpoints of solvents and resins for composite materials are usually around what minimum temperature? 1. 500°F 2. 200°F 3. 300°F 4. 400°F 13-58. On Navy aircraft, the paint system is identified with a stencil or decal at what location? 1. On the right side of the aft fuselage 2. On the left side of the aft fuselage 3. On the right side of the upper wing 4. On the left side of the upper wing 71







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