The Airplane

Question 0

The complete tail section of an airplane is called the ____?

Answer 0

Empennage

Question 1

The main members in the wing that run the length of the wing from wing root to wing tip and carry most of the load are called _______?

Answer 1

Spars

Question 2

The _____ is the term used to describe the complete structure of an airplane, including the fuel tanks and line, but without engine(s) and instruments installed.

Answer 2

Airframe

Question 3

Some wings are constructed with no external bracing at all. These are known as _____ wings.

Answer 3

Cantilever

Question 4

As the angle of attack of an airfoil is increased up to the point of stall, the center of pressure will move _____.

Answer 4

Forward

Question 5

______ drag is caused by those parts of an airplane that produce lift and therefore cannot be completely eliminated.

Answer 5

Parasite

Question 6

Spoilers are devices fitted to the wing that increase ______ and decrease _____.

Answer 6

Drag, Lift

Question 7

_______ should be used to gain the most altitude in a given amount of time.

Answer 7

Best rate of climb.

Question 8

Movements of the aircraft around the vertical or normal axis is called _____, and is controlled by movement of the _______.

Answer 8

Yaw, Rudder

Question 9

When gliding into a fairly strong headwind, greater distance may be covered over the ground if the speed is kept _____ the best lift/drag ratio speed.

Answer 9

Slightly faster than

Question 10

The maximum speed at which an airplane can be safely operated in smooth air is called ______.

Answer 10

Never exceed speed (Vne)

Question 11

An aircraft will stall at any airspeed or altitude if the _____ is exceeded.

Answer 11

Critical angle of attack

Question 12

In some ways a spiral dive resembles a spin however, in a spin the airspeed ____. In a spiral the airspeed ____.

Answer 12

Constant and low, Increases rapidly.

Question 13

_____ refers to the shape of the wing as seen from directly above.

Answer 13

Plan view

Question 14

The point at which the boundary layer changes from laminar to turbulent is called the ______.

Answer 14

Transition point

Question 15

The steeper the angle of bank for any given airspeed, _____.

Answer 15

The greater the rate of turn and the higher the stalling speed.

Question 16

In straight and level flight an airplane has a load factor of 1, or 1G. A 60 degree bank turn produces a load factor of ______.

Answer 16

2

Question 17

The aspect ratio of a wing is computed by dividing the span by the _____.

Answer 17

Average chord.

Question 18

The _____ of an airfoil is the curvature of the upper and lower surfaces.

Answer 18

Camber

Question 19

Longitudinal stability is stability around the lateral axis of the aircraft and is called pitch stability. The two principle factors which influence longitudinal stability are _____ and _____.

Answer 19

Size and position of the horizontal stabilizer, the position of the c of g (center of gravity).

Question 20

Induced drag _____ as the speed of an airplane increases.

Answer 20

Decreases

Question 21

The tendency of an aircraft in flight to remain in straight, level, upright flight and return to this altitude if displaced without the corrective action of the pilot is called ______.

Answer 21

Stability

Question 22

______ is the term used to describe the direction of the airflow with respect to the wing.

Answer 22

Relative airflow

Question 23

The lift drag ratio is determined by _______ .

Answer 23

Dividing the lift coefficient by the drag coefficient.

Question 24

The air flowing over the upper surface of the wing tends to flow ______.

Answer 24

Faster than air flowing under the wing and inward.

Question 25

Which of the following factors does not effect the stalling speed (IAS) of an airfoil.

• C of G
• weight
• temperature
• flaps

Answer 25

Temperature

Question 26

The initial tendency of an aircraft to return to its original position is known as ______ stability.

Answer 26

Static

Question 27

An aircraft loaded with the C of G too far aft will have _____ tendency.

Answer 27

Nose up

Question 28

Most high wing aircraft are laterally stable because the wings are attached in a high position on the fuselage and because the weight is therefore low. When the aircraft is disturbed and one wing dips the weight acts as a pendulum returning the aircraft to its original attitude. The cause of this stability is known as _____.

Answer 28

Keel effect