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ASSIGNMENT 12-Cont. - 14018_766
ASSIGNMENT 12-Cont. - 14018_768

Aviation Structural Mechanic (H&S) 3&2 - How airplanes are built and how to maintain them
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12-30. Which of the following types of aircraft would normally use a power brake control valve system? 1. A-4 2. T-2 3. F-18 4. C-130 12-31. The brake pedal linkage of a power brake control valve (pressure ball check type) system is connected to the control valve by what component? A link A shackle A tuning fork A piston shaft IN ANSWERING QUESTION 12-32, REFER TO FIGURE 12-28 IN THE TEXTBOOK. 12-32. In a power brake control valve (sliding spool type) system, what component(s) provide(s) feel to the brake pedal? 1. The large spring only 2. The small spring only 3. The small spring and the spool return spring only 4. The small spring, the spool return spring, and the large spring 12-33. What is the purpose of a brake debooster cylinder? 1. To increase the pressure and decrease the volume of fluid flow to the brake 2. To decrease the pressure and increase the volume of fluid flow to the brake 3. To decrease both the pressure and the volume of fluid flow to the brake 4. To increase both the pressure and the volume of fluid flow to the brake 12-34. What type of brake assembly is normally used on a medium-sized aircraft? Dual disc Single disc Segmented rotor Multiple/trimetallic disc 12-35. The brake linings of a single disc brake assembly are known by what term? 12-36. A dual disc brake assembly has what total number of brake linings (pucks)? 1. 10 2. 12 3. 16 4. 20 12-37. To give correct clearances between the rotating and stationary discs in a multiple/trimetallic brake system, what device traps a predetermined amount of fluid in the brake? The stator The backup ring The annular piston The automatic adjuster 12-38. In an independent brake system, the reservoir fluid level is checked by what means? A dip stick A sight gauge A cockpit indicator A lower ring in the filler neck 12-39. To perform an operational check on the emergency brake system, what source of external power, if any, is required? 1. Pneumatic 2. Hydraulic 3. Electrical 4. None 12-40. You are checking the brake lining wear of a disassembled brake assembly. What is the minimum allowable thickness of any one lining (puck) before the entire set must be replaced? 1/64 in. 1/32 in. 1/16 in. 1/8 in. 12-41. What factor(s) generally determine(s) the method you should use for bleeding brake systems? 1. The amount of air in the system 2. The type and design of the brake system to be bled 3. The means by which the brake is mounted on the strut 4. The type of main hydraulic system used in the aircraft Discs Pucks Rotors Plates 63







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