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EASA Part 66 ; Aerodynamic Test Latest Update
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EASA Part 66 ; Aerodynamic Test Latest Update Question Number. 1. Flaps at landing position. Option A. decrease landing speed. Option B. decrease take off and landing speeds. Option C. decrease take off speed. - ANSWER Correct Answer is. decrease landing speed. Explanation. Although an aircraft will take-off with flaps at landing position, this is not normal. Question Number. 2. As a subsonic aircraft speeds-up, its Centre of Pressure. Option A. moves aft. Option B. moves forward. Option C. is unaffected. - ANSWER Correct Answer is. moves aft. Explanation. Assuming that the aircraft is to remain at constant altitude, it must reduce its angle of attack as it speeds-up. This alone will move the CofP rearwards, in accordance with the sub-sonic angle of attack change theory. Question Number. 3. Lowering of the flaps. Option A. increases drag. Option B. increases lift. Option C. increases drag and lift. - ANSWER Correct Answer is. increases drag and lift. Explanation. Jeppesen A+P Technician General Textbook. Page 1-17. Question Number. 4. Wing spoilers, when used asymmetrically, are associated with. Option A. rudder. Option B. elevators. Option C. ailerons. - ANSWER Correct Answer is. ailerons. Explanation. Pallett Automatic Flight Control 4th Edition Page 51. Jeppesen A&P Technician Airframe Textbook Page 1-12. Question Number. 5. What do ruddervators do?. Option A. Control yaw and roll. Option B. Control pitch and yaw. Option C. Control pitch and roll. - ANSWER Correct Answer is. Control pitch and yaw. Explanation. Jeppesen A+P Technician General Textbook. Page 1-16 fig 1-36. Question Number. 6. What controls pitch and roll on a delta wing aircraft?. Option A. Ailerons. Option B. Elevons. Option C. Elevators. - ANSWER Correct Answer is. Elevons. Explanation. Jeppesen A+P Technician General Textbook. Page 1-17. Question Number. 7. What does a trim tab do?. Option A. Allows the C of G to be outside the normal limit. Option B. Provides finer control movements by the pilot. Option C. Eases control loading for pilot. - ANSWER Correct Answer is. Eases control loading for pilot. Explanation. A&P General Textbook Pg 2-35. Question Number. 8. How does a balance tab move?. Option A. In the same direction a small amount. Option B. In the opposite direction proportional to the control surface it is attached to. Option C. In the same direction proportional to the control surface it is attached to. - ANSWER Correct Answer is. In the opposite direction proportional to the control surface it is attached to. Explanation. A&P General Textbook Pg 2-36. Question Number. 9. If an aircraft is yawing to the left, where would you position the trim tab on the rudder?. Option A. To the centre. Option B. To the left. Option C. To the right. - ANSWER Correct Answer is. To the left. Explanation. Automatic flight control, Pallett, 4th Edition Page 43. Question Number. 10. If an aircraft is flying with a left wing low, where would you move the left aileron trim tab?. Option A. Down. Option B. Up. Option C. Moving the aileron trim tab will not correct the situation. - ANSWER Correct Answer is. Up. Explanation. Automatic flight control, Pallett, 4th Edition Page 43. Question Number. 11. When a leading edge flap is fully extended, what is the slot in the wing for?. Option A. To re-energise the boundary layer. Option B. To increase the lift. Option C. To allow the flap to retract into it when it retracts. - ANSWER Correct Answer is. To re-energise the boundary layer. Explanation. Pallett Automatic Flight Control 2nd Edition Page 50. Jeppesen A&P Technician Airframe Textbook Page 1-32. Question Number. 12. With respect to differential aileron control, which of the following is true?. Option A. The up going and down going ailerons both deflect to the same angle. Option B. The up going Aileron moves through a smaller angle than the down going aileron. Option C. The down going aileron moves through a smaller angle than the up going aileron. - ANSWER Correct Answer is. The down going aileron moves through a smaller angle than the up going aileron. Explanation. Mechanics of Flight, Kermode, Page 301. The down going aileron moves less, to reduce the induced drag which causes adverse aileron yaw. Question Number. 13. The aeroplane fin is of symmetrical aerofoil section and will therefore provide a side-load. Option A. only when the rudder is moved. Option B. if a suitable angle of attack develops due either yaw or rudder movement. Option C. only if a suitable angle of attack develops due to yaw. - ANSWER Correct Answer is. if a suitable angle of attack develops due either yaw or rudder movement. Explanation. Rudder deflection or yaw. Question Number. 14. An aircraft left wing is flying low. The aileron trimmer control to the left aileron trim tab in the cockpit would be. Option A. moved up causing the left aileron to move up. Option B. moved up causing the left aileron to move down. Option C. moved down causing the left aileron to move down. - ANSWER Correct Answer is. moved up causing the left aileron to move down. Explanation. Down aileron required - which requires up trim. Question Number. 15. An elevator tab moves down. Option A. to make the nose go down.The benefits of buying summaries with Stuvia:
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