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ASSIGNMENT 12-Cont. - 14018_770
ASSIGNMENT 13-Cont. - 14018_772

Aviation Structural Mechanic (H&S) 3&2 - How airplanes are built and how to maintain them
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ASSIGNMENT 13 Textbook Assignment: “Aircraft Metallic Repair,”   chapter 13, pages 13-1 through 13-53, and “Aircraft Nonmetallic Repair,”   chapter 14, pages 14-1 through 14-48. 13-1. Mallet heads are constructed from all EXCEPT which of the following materials? 1. Brass 2. Steel 3. Rawhide 4. Plastic 13-2. The shape of the bucking bar to be used on a particular riveting job is determined by which of the following factors? 1. The size of the rivets to be driven 2. The location of the rivets to be driven only 3. The accessibility of the rivets to be driven only 4. The location and accessibility of the rivets to be driven 13-3. Machine countersinking is used to flush rivet sheets of what minimum thickness? 1. 0.064 in. 2. 0.060 in. 3. 0.055 in. 4. 0.048 in. IN ANSWERING QUESTIONS 13-4 THROUGH 13-6, SELECT FROM COLUMN B THE RIVET GUN THAT MATCHES ITS USE LISTED IN COLUMN A. NOT ALL ITEMS LISTED IN COLUMN B WILL BE USED. A. USE B. RIVET GUN 13-4. Used in confined 1. Squeeze spaces riveter 13-5. Used for heavy 2. Corner riveting riveter 13-6. Used for driving 3. One-shot medium-sized gun rivets 4. slow- hitting gun 13-7. The dies of hot dimpling machines are maintained at a specific temperature by which of the following devices? 1. Hot air machines 2. Steam generators 3. Electric heaters 4. Catalytic converters 13-8. Squaring shears can be used to perform all EXCEPT which of the following cutting operations? 1. Squaring 2. Notch cutting 3. Multiple cutting 4. Cutting to a line 13-9. Which of the following sheet metal bending equipment has a series of removable fingers of varying widths? 1. A box and pan brake 2. A cornice brake 3. A bar folder 4. A bench vise 13-10. To allow the lines to stand out more clearly when laying out sheet metal patterns, you should use which of the following items? 1. A felt marker 2. Layout fluid 3. A ball-point pen 4. A graphite pencil IN ANSWERING QUESTION 13-11, REFER TO FIGURE 13-30 IN THE TEXTBOOK. 13-11. The longer part of a formed angle is known by what term? Leg Flat Flange Bend line 13-12. You can hand form sheet metal by using which of the following devices? 1. A bar folder 2. A cornice brake 3. A box and pan brake 4. A stake plate and stakes 13-13. When hand forming a convex bend where no wrinkles or marring is allowed, you should use a vise, forming block, and which of the following tools? 1. A lead bar 2. A steel bar 3. A plastic mallet 4. A rawhide mallet 67







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