LESSON 1
PRACTICE EXERCISE
The following items will test your grasp of the material covered in
this lesson. There is only one correct answer for each item. When
you have completed the exercise, check your answers with the answer
key that follows.
If you answer any question incorrectly, study
again that part of the lesson which contains the portion involved.
1.
What is the main structural unit of an aircraft?
______.
A
Empennage.
______.
B
Fuselage.
______.
C
Nacelle.
______.
D
Wing.
2.
What part carries the primary stresses in the monocoque fuselage?
______.
A
Bulkhead.
______.
B
Frame.
______.
C
Skin.
______.
D
Stringer.
3.
What aircraft structual unit gives the lifting force?
______.
A
Wings.
______.
B
Nacelle.
______.
C
Fuselage.
______.
D
Empennage.
4.
What axis do the stabilizers help control while the aircraft is
in flight?
______.
A
Pitch and lateral.
______.
B
Lateral and yaw.
______.
C
Roll and yaw.
______.
D
Longitudinal and lateral.
5.
What metal property permits resistance to penetration?
______.
A
______.
B
______.
C
______.
D
Strength.
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AL0992
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