1-26. Trim tabs are secondary flight control surfaces that are recessed into the trailing edges of which of the following components? Wings 2. Vertical stabilizers 3. Horizontal stabilizers 4. Ailerons, elevators, and rudders 1-27. An aircraft’s wing flaps are used for which of the following purposes? To increase speed 2. To decrease speed 3. To help move the ailerons 4. To make the wings more rigid 1-28. Which of the following types of flaps operates on tracks and rollers? 1. Plain 2. Split 3. Fowler 4. Leading edge 1-29. A speed brake is used for which of the following purposes? 1. To increase lateral control 2. To decrease landing speed 3. To decrease thrust 4. To increase lift 1-30. A boundary layer control is used with which of the following secondary controls? 1. Slats 2. Trim tabs 3. Speed brakes 4. Aileron droop 1-31. A conventional landing gear includes which of the following arrangements? Two main and one tail wheel 2. Two main and one nosewheel 3. Two main wheels and a tail skid 4. Two outboard floats and a center hull 1-32. During strut compression, fluid passes through an orifice into what chamber of an air-oil type shock strut? 1. Aft 2. Upper 3. Lowe r 4. Forward 1-33. What part of an air-oil shock strut controls the rate of flow of the fluid between the piston and cylinder? The torque arm 2. The metering pin 3. The orifice plate 4. The snubber orifice 1-34. Instructions for servicing shock struts can be found in which of the following places? 1. In the IPB 2. In the PMIC 3. On an instruction plate attached to the strut 4. On a plate attached to the under side of the port wing 1-35. On most aircraft, the landing gear is actuated by what system? 1. Gravity 2. Pneumatic 3. Hydraulic 4. Electrical 1-36. The shimmy damper on a nose landing gear assembly prevents the nosewheel from shimmying during takeoff and landing by what means? 1. By actuating a low-ratio gear train 2. By forcing a rotary bar to move against a friction plate 3. By accentuating sudden torque loads applied to the nosewheel 4. By metering hydraulic fluid through a small orifice between two cylinders or chambers 1-37. What component is used to hold the arresting hook in the down position to prevent it from bouncing when it strikes the carrier deck? A snubber A drag link A cable assembly A liquid centering spring 1-38. When comparing catapult hookup methods on a carrier, the nose gear launch method is superior to the bridle method for all EXCEPT which of the following reasons? 1. It saves time 2. It costs less to operate 3. It requires fewer personnel 4. It is the safest method 1. 1. 1. 3 1.