822-F13(COR) UNGRADED PRACTICAL EXERCISE (Lesson 1.3)
Requirement - Answer each question according to the instructions provided. When all questions have been answered,
compare your answers to those found immediately following the practical exercise. Any questions answered incorrectly
should be reviewed by studying the references given with the correct answer.
(1) How many types of contaminants are there? What are their names?
ANSWER: ___________________________________________________________________________
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(2) What cleaning materials may be used for solvent cleaning?
ANSWER: ___________________________________________________________________________
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(3) Why is it necessary to wear protective clothing during these cleaning operations?
ANSWER: ___________________________________________________________________________
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(4) What contaminant(s) is/are removed using solvent cleaning?
ANSWER: ___________________________________________________________________________
(5) At what rate should items be lowered into a vapor degreaser?
ANSWER: ___________________________________________________________________________
(6) Are fingerprints removed by vapor degreasing?
ANSWER: ___________________________________________________________________________
(7) What contaminants are removed by vapor degreasing?
ANSWER: ___________________________________________________________________________
(8) What is the cleaning requirement for an item with a critical surface?
ANSWER: ___________________________________________________________________________
(9) What cleaning process uses soft grit abrasives?
ANSWER: ___________________________________________________________________________
(10) What cleaning process uses sound waves to create a cleaning action?
ANSWER: ___________________________________________________________________________
(11) After an item is cleaned in the chemical process alkaline cleaning, what must be done before we dry or preserve the
item?
ANSWER: ___________________________________________________________________________
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