Aviation and Aerospace Engineering

Question 1

1A wing has span 30 m and mean chord 3 m. Its aspect ratio is

Hard

A. 3 B. 10 C. 33 D. 90

Question 2

2If an aircraft's speed doubles while other factors stay constant, its lift

Hard

A. stays the same B. quadruples C. halves D. doubles

Question 3

3Spoilers on the wing are raised after landing to

Easy

A. cool the brakes B. increase lift C. reduce lift and increase drag D. turn the aircraft

Question 4

4Winglets on wing tips mainly reduce

Easy

A. noise inside the cabin B. induced drag from wingtip vortices C. fuel capacity D. weight

Question 5

5Flaps are lowered during take-off and landing to

Easy

A. reduce lift B. steer on the runway C. increase lift at low speeds D. cool the engines

Question 6

6Slats on the leading edge of a wing help by

Medium

A. reducing lift B. allowing a higher angle of attack before stalling C. adding weight D. cooling engines

Question 7

7Bernoulli's principle states that as the speed of a fluid increases, its pressure

Easy

A. increases B. stays the same C. decreases D. doubles

Question 8

8The cross-sectional shape of a wing designed to produce lift is an

Easy

A. empennage B. aerofoil C. nacelle D. fuselage

Question 9

9The angle between the wing chord and the oncoming airflow is the

Easy

A. dihedral angle B. bank angle C. sweep angle D. angle of attack

Question 10

10The aspect ratio of a wing compares its

Medium

A. speed to height B. span to its mean chord C. thickness to colour D. weight to lift