AE102

Question 1

In straight and level flight (constant lift), angle of attack and velocity have what relationship?

Answer 1

In straight and level flight, angle of attack and velocity are INVERSELY related in the production of lift

Question 2

Which airfoil produces no lift at zero degrees angle of attack?

Answer 2

Symmetric airfoil

Question 3

What is the benefit of geometric and aerodynamic twist on a wing?

Answer 3

The wing root stalls before the wing tip.

Question 4

Parasite drag is defined as drag ____________

Answer 4

Caused by anything other than the creation of lift

Question 5

Painting or cleaning the surface of a wing or aircraft will___________

Answer 5

Reduce friction drag

Question 6

Induced drag is caused by?

Answer 6

The production of lift

Question 7

In level flight an increase in velocity will___________

Answer 7

Decrease induced drag

Question 8

Total drag is combined of____________

Answer 8

Induced and parasite drag

Question 9

In relation to velocity, total drag _____________

Answer 9

Decreases until L/Dmax then increases

Question 10

Ground effect is the phenomenon that reduces _______ due to a decrease in __________

Answer 10

Induced drag ; downwash

Question 11

Thrust is the force that opposes _________

Answer 11

Drag

Question 12

What happens to thrust on a propeller driven aircraft as velocity increase ?

Answer 12

It decreases

Question 13

As velocity increases, a propeller’s PA will initially increase then ______.

Answer 13

Decrease

Question 14

What happens to the ailerons if you wanna roll to the right?

Answer 14

right aileron rises decreasing lift, and the left aileron lowers increasing lift

Question 15

For the nose of the airplane to pitch up, the ______.

Answer 15

trailing edge of the elevator must move up in relation to the horizontal stabilizer

Question 16

What happens to lift if you increase the camber of a wing?

Answer 16

Increases lift

Question 17

The T-6A has which kind of trailing edge flaps?

Answer 17

Split flaps

Question 18

Lowering the landing gear causes an increase in ______.

Answer 18

Parasite drag

Question 19

Aerodynamic force is the ______.

Answer 19

result of pressure and friction distribution over an airfoil

Question 20

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

Answer 20

Drag

Question 21

What airfoil produces lift at zero degrees angle of attack?

Answer 21

Positively cambered

Question 22

L/D is the point where ______

Answer 22

the ratio of lift to drag is the greatest

Question 23

Total drag is composed of ______.

Answer 23

Parasite and induced drag

Question 24

Parasite drag is ______

Answer 24

made up of form, friction, and interference drag

Question 25

Maximum excess power for a propeller-driven aircraft occurs at L/D
MAX. True or false?

Answer 25

True

Question 26

As altitude increases, power available ______

Answer 26

Decreases

Question 27

When lowering the flaps (full) during an approach. What happens to drag and visibility?

Answer 27

Drag increases, visibility improves

Question 28

What is lift defined as?

Answer 28

The component of aerodynamic force that acts perpendicular to the relative wind