Justin Vaughan
Quiz by , created more than 1 year ago

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.

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Justin Vaughan
Created by Justin Vaughan over 8 years ago
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ASSIGNMENT SHEET 2-2-3: LIFT PRODUCTION AND DRAG REVIEW

ASSIGNMENT SHEET 2-2-3: LIFT PRODUCTION AND DRAG REVIEW

Question 1 of 9

1

Aerodynamic force is the ______.

Select one of the following:

  • force that is perpendicular to the relative wind

  • leading edge stagnation point

  • result of pressure and friction distribution over an airfoil

  • force that is parallel to the relative wind

Explanation

Question 2 of 9

1

The component of aerodynamic force that acts parallel to the relative wind is ______.

Select one of the following:

  • parasite drag

  • lift

  • drag

  • angle of attack

Explanation

Question 3 of 9

1

A ______ airfoil produces lift at zero degrees angle of attack.

Select one of the following:

  • symmetric

  • tapered

  • dihedral

  • positively cambered

Explanation

Question 4 of 9

1

L/DMAX is the point where ______.

Select one of the following:

  • drag is the greatest

  • lift is the greatest

  • the ratio of lift to drag is the greatest

  • the stall angle of attack is reached

Explanation

Question 5 of 9

1

Total drag is composed of ______.

Select one of the following:

  • parasite and induced drag

  • form and interference drag

  • thrust and lift

  • upwash and downwash

Explanation

Question 6 of 9

1

Parasite drag is ______.

Select one of the following:

  • the component of drag associated with the production of lift

  • minimized by installing winglets, wingtip fuel tanks or missile rails

  • greatest at low airspeeds

  • made up of form, friction, and interference drag

Explanation

Question 7 of 9

1

Maximum excess power for a propeller-driven aircraft occurs ______ L/DMAX.

Select one of the following:

  • at an airspeed below

  • at

  • at an airspeed above

  • independent of

Explanation

Question 8 of 9

1

As altitude increases, power available ______.

Select one of the following:

  • increases

  • remains the same

  • decreases

  • is equal to thrust available

Explanation

Question 9 of 9

1

A ______ trim tab will increase the force required to move a control surface to full deflection

Select one of the following:

  • servo

  • neutral

  • anti servo

  • balanced

Explanation

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