LESSON 2
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 complete the exercise, check the answer with the answer key that
follows.
If you answer any item incorrectly, study again that part
of the lesson which contains the portion involved.
1.
What is the criteria for making a worthwhile airframe repair?
______.
A
Original
strength and contour.
______.
B
Original
strength, contour, and minimum weight.
______.
C
Original
contour and minimum weight.
______.
D
Original
strength, contour and correct patch.
2.
The general spacing for rivets is--
______.
A
3
to
10 rivet diameters.
______.
B
4
to
6 rivet diameters.
______.
C
4
to
10 rivet diameters.
______.
D
6
to
8 rivet diameters.
3.
Of the basic principles of repair, which is the most important?
______.
A
Strength.
______.
B
Contour.
______.
C
Minimum weight.
______.
D
Correct patch.
4.
How many classifications of damage are there?
______.
A
Two.
______.
B
Three.
______.
C
Four.
______.
D
Five.
5.
When dissimilar metals make contact, the type corrosion that can
develop is called--
______.
A
galvanic.
______.
B
intergranular.
______.
C
stress.
______.
D
pitting.
90
AL0992
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