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What is the purpose of using flaps during approach?

a) To reduce approach speeds
b) For steeper angle of approach
c) All the above

Let us know your answer as a comment below.

220px-Wing.two.arp.600pix Technical Interview Questions | Learning Zone | Page 2

Research and compare the different types of wing and their aerodynamic effects. Consider some of the following features of wings.

Aircraft wings may feature some of the following:

  • A rounded leading edge cross-section
  • A sharp trailing edge cross-section
  • Leading-edge devices such as slatsslots, or extensions
  • Trailing-edge devices such as flaps or flaperons (combination of flaps and ailerons)
  • Ailerons (usually near the wingtips) to roll the aircraft clockwise or counterclockwise about its long axis
  • Spoilers on the upper surface to disrupt the lift and to provide additional traction to an aircraft that has just landed but is still moving.
  • Vortex generators to help prevent flow separation in transonic flow
  • Wing fences to keep flow attached to the wing by stopping boundary layer separation from spreading
  • Winglets to keep wingtip vortices from increasing drag and decreasing lift
  • Dihedral, or a positive wing angle to the horizontal. This gives inherent stability in the roll direction. Anhedral, or a negative wing angle to the horizontal, has a destabilizing effect
  • Folding wings allow more aircraft storage in the confined space of the hangar deck of an aircraft carrier
  • Variable-sweep wing or "swing wings" that allow outstretched wings during low-speed flight (i.e., take-off and landing) and swept back wings for high-speed flight (including supersonic flight), such as in the F-111 Aardvark, the F-14 Tomcat, the Panavia Tornado, the MiG-23, the MiG-27, the Tu-160 and the B-1B Lancer warplanes

Write your answer as a comment below (on our Facebook page). 

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If you would like more help answering this type of question, and want to learn more about aviation theory you can attend our Aviation Theory Workshops and Technical Refreshers.  These are conducted by a senior captain with Cathay Pacific, and Native English Teacher. You can see the upcoming schedule here: http://aviationenglish.com/english-for-pilots-and-atcos/weekend-workshops.html

 

 

Jet aircraft are usually fitted with swept wings. What are the advantages of this? 

Write your answer as a comment below (on our Facebook page).

 

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If you would like more help answering this type of question, and want to learn more about aviation theory you can attend our Aviation Theory Workshops and Technical Refreshers.  These are conducted by a senior captain with Cathay Pacific, and Native English Teacher. You can see the upcoming schedule here: http://aviationenglish.com/english-for-pilots-and-atcos/weekend-workshops.html

 

 

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