AMT 114

Question 1

Resistance to forward motion as the aircraft
travels through the air

Answer 1

Drag

Question 2

Is normally divided into three (3) types of Drag:

Answer 2

Form Drag, Interference Drag, Skin friction drag

Question 3

Four Forces of Flight

Answer 3

Lift, Weight, Thrust, Drag

Question 4

• Produced whenever the aircraft produces lift

Answer 4

Induced Drag

Question 5

Creates small eddies which contribute to the drag.

Answer 5

Skin-Friction Drag

Question 6

Opposite the direction of flight

Answer 6

Drag

Question 7

The downward force acting on an aircraft

Answer 7

Weight

Question 8

-also called as lift-induced drag

Answer 8

Induced Drag

Question 9

Produced whenever the airflow passing over the aircraft separates from the surface and become turbulent.

Answer 9

Form Drag

Question 10

Pull of the gravity

Answer 10

Weight

Question 11

Varies depending on the speed of the aircraft.

Answer 11

Parasite Drag

Question 12

Limits the forward speed of the aircraft

Answer 12

Drag

Question 13

Acts through a point called center of gravity (CG)

Answer 13

Weight

Question 14

• is a byproduct of lift

Answer 14

Induced Drag

Question 15

As the aircraft’s airspeed increase, the ____ drag increase

Answer 15

Parasite

Question 16

Caused by intermixing currents of air around the aircraft structure

Answer 16

Interference Drag

Question 17

Rudder movement=

Answer 17

yaw movement

Question 18

Forward force produced by the powerplant

Answer 18

Thrust

Question 19

According to Newton’s Third Law of Motion, this
would result in the aircraft to move forward

Answer 19

Thrust

Question 20

-Caused by wingtip vortices affecting the downwash of the wing which tilts the lift backwards.

Answer 20

Induced Drag

Question 21

There are 2 types of Drag:

Answer 21

Parasite Drag, Induced Drag

Question 22

-is directly proportional to the square of the airspeed

Answer 22

Parasite Drag

Question 23

In most general aviation airplanes, or reciprocating engines generate ____ the propeller

Answer 23

Thrust

Question 24

Is caused by any aircraft surface which deflects or
interferes with the smooth airflow around the airplane

Answer 24

Parasite Drag

Question 25

In larger jets airplanes, it generates trust through?

Answer 25

Jet Engines

Question 26

What Drag formula is this: Dp =s 2

Answer 26

Parasite Drag

Question 27

Happens where the aircraft surfaces meet each other

Answer 27

Interference Drag

Question 28

The ___ controls the aircraft on its vertical axis.

Answer 28

Rudder

Question 29

In most general aviation airplanes, or reciprocating engines generate thrust the?

Answer 29

Propeller

Question 30

Any drag that is not associated with the production of lift

Answer 30

Parasite Drag

Question 31

As the propeller or jet engine rotates, its blades accelerate the surrounding air towards the aft (to the back) of the aircraft.

Answer 31

Thrust

Question 32

Is caused by the roughness of the airplane’s surface.

Answer 32

Skin-Friction Drag

Question 33

The path of least resistance is towards the wingtips, which results in the air at the bottom to move outward away from the fuselage towards the wing tips.

Answer 33

Wingtip Vortices

Question 34

Primary Flight Controls:

Answer 34

Elevator, Rudder, Ailerons

Question 35

twisting the wing to change the angle of incidence at the wing root from the angle of incidence at the wing tip

Answer 35

Wing Washout

Question 36

Stronger/higher at slower speeds.

Answer 36

Induced Drag

Question 37

The air at top of has a tendency to flow inwards, towards the fuselage

Answer 37

Wingtip Vortices

Question 38

Axis of Pitch (?)

Answer 38

Lateral

Question 39

Parasite Drag + Induced Drag=

Answer 39

Total Drag

Question 40

They are used in combination with the ailerons to turn an airplane correctly.

Answer 40

Rudder

Question 41

Circular patters of rotating air as wing generates lift.

Answer 41

Wingtip Vortices

Question 42

Axis of Roll (?)

Answer 42

Longitudinal

Question 43

Secondary Flight Controls

Answer 43

Wing Flaps, Trim Tabs

Question 44

Methods to Reduce Induced Drag:

Answer 44

-Tapering the Wing Planform -Wing Tip Modification -Wing Washout

Question 45

High Pressure goes to Low Pressure.

Answer 45

Wingtip Vortices

Question 46

Axis of Yaw (?)

Answer 46

Vertical

Question 47

These are attached to rear end, or what we call trailing edge, of the wing.

Answer 47

Ailerons

Question 48

The ___ control the aircraft on its longitudinal axis.

Answer 48

Ailerons

Question 49

Lateral Axis (?)

Answer 49

Elevator pitch

Question 50

Elevator movement=

Answer 50

Pitch Movement

Question 51

It is used to move the aircraft up or down, and allows the aircraft to climb, descend, or maintain its desired altitude.

Answer 51

Elevator

Question 52

They move in opposite directions to create aerodynamic forces that cause the airplane to turn.

Answer 52

Ailerons

Question 53

Vertical Axis (?)

Answer 53

Rudder Yaw

Question 54

The ____ control the aircraft on its lateral axis.

Answer 54

Elevator

Question 55

Longitudinal Axis (?)

Answer 55

Aileron Roll

Question 56

is attached to the horizontal stabilizer which is located on the empennage of the aircraft.

Answer 56

Elevator

Question 57

They extend from the midpoint of each wing to the outward tip.

Answer 57

Ailerons

Question 58

The ____ is another flight control that is located on the empennage, but this time, it is connected on the vertical stabilizer.

Answer 58

Rudder

Question 59

Aileron movement=

Answer 59

Roll movement

Question 60

They are used to move the nose of the aircraft left or right.

Answer 60

Rudder