Quiz
ASSIGNMENT SHEET 2-2-3: LIFT PRODUCTION AND DRAG REVIEW
Perguntas do quiz (9)
1Aerodynamic force is the ______.
- Aforce that is perpendicular to the relative wind
- Bleading edge stagnation point
- Cresult of pressure and friction distribution over an airfoil
- Dforce that is parallel to the relative wind
2The component of aerodynamic force that acts parallel to the relative wind is ______.
- Aparasite drag
- Blift
- Cdrag
- Dangle of attack
3A ______ airfoil produces lift at zero degrees angle of attack.
- Asymmetric
- Btapered
- Cdihedral
- Dpositively cambered
4L/DMAX is the point where ______.
- Adrag is the greatest
- Blift is the greatest
- Cthe ratio of lift to drag is the greatest
- Dthe stall angle of attack is reached
5Total drag is composed of ______.
- Aparasite and induced drag
- Bform and interference drag
- Cthrust and lift
- Dupwash and downwash
6Parasite drag is ______.
- Athe component of drag associated with the production of lift
- Bminimized by installing winglets, wingtip fuel tanks or missile rails
- Cgreatest at low airspeeds
- Dmade up of form, friction, and interference drag
7Maximum excess power for a propeller-driven aircraft occurs ______ L/DMAX.
- Aat an airspeed below
- Bat
- Cat an airspeed above
- Dindependent of
8As altitude increases, power available ______.
- Aincreases
- Bremains the same
- Cdecreases
- Dis equal to thrust available
9A ______ trim tab will increase the force required to move a control surface to full deflection
- Aservo
- Bneutral
- Canti servo
- Dbalanced
Informações
- Descrição
- This lesson is a continuation of aerodynamic principles from Lesson 2.1. Definitions of lift, weight, thrust and drag and how each relates to one another on an aircraft will be presented. Basic configuration principles and effects on lift production will also be discussed.
- Autor
- Justin Vaughan
- Idioma
- English
- Visualizações
- 34
- Etiquetas
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