LESSON 16
PRACTICE EXERCISE
ANSWER KEY AND FEEDBACK
Item
Correct Answer and Feedback
1.
A. A difference in potential, (page 16-4, para 6a).
2.
B. Dissimilar metal, dissimilar soil, differential aeration, stray current migration, (page 16-2, para 3a.,
page 16-3, para 5b, page 16-4, para 6 (c)(2), and page 16-5, part 7a).
3.
A. Coatings, (page 16-6, para 9 b(1)(b)).
QM5200
16-12
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