SMPT CORRESPONDENCE COURSE
APPROVED SOLUTION
822-F13(COR), DEFENSE BASIC PRESERVATION AND PACKING
(64 Credit Hours)
All concerned will be careful that neither this solution nor information concerning the same comes into possession of
student or prospective students who have not completed the work to which it pertains.
ANSWERS TO UNGRADED PRACTICAL EXERCISE NO. 1
LESSON 1.3
(1)
ANSWER: 4, oil soluble, water soluble, insoluble, loosely adhering contaminants, tightly adhering contaminants.
REF: TC 38-3, pg 2-13, Ref para "Types of Contaminants".
(2)
ANSWER: Dry cleaning solvent, Type III, Paint thinner and fingerprint remover corrosion prentive compound
thinner.
REF: TC 38-3, pg 2-16, 2-13, Ref "Materials for Solvent Cleaning".
(3)
ANSWER: Solvents my cause skin irritations.
REF: TC 38-3, pg 2-18, Ref para "Safety Precautions for Solvent Cleaning".
(4)
ANSWER: Light grease or oil.
REF: TC 38-3, pg 2-16, Ref para "Solvent Cleaning"
(5)
ANSWER: 10 to 12 feet per minute.
REF: TC 38-3, pg 2-23, Ref para "How the Vapor Degreaser Cleans, # 2".
(6)
ANSWER: No.
REF: TC 38-3, pg 2-21 Ref para "Perspiration and Fingerprint Removal.
(7)
ANSWER: Heavy greases, oils, and waxes.
REF: TC 38-3, pg 2-23, Ref para "Vapor Degreasing".
(8)
ANSWER: Perspiration and fingerprint removal.
REF: TC 38-3, pg 2-21, Ref para "Perspiration and Fingerprint Removal.
(9)
ANSWER: Soft grit blast.
REF: TC 38-3, pg 2-31, Ref para "Soft Grit Blast"
(10) ANSWER: Ultrasonic cleaning.
REF: TC 38-3, pg 2-31.
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