(23) Describe the cleaning action that takes place in vapor degreasing.
ANSWER: ___________________________________________________________________________
___________________________________________________________________________
(24) What contaminants are removed when using the alkaline cleaning process?
ANSWER: ___________________________________________________________________________
___________________________________________________________________________
(25) Describe the emulsion cleaning process.
ANSWER: ___________________________________________________________________________
___________________________________________________________________________
(26) Why must an item be dried following cleaning?
ANSWER: ___________________________________________________________________________
___________________________________________________________________________
(27) What drying procedure is required following cleaning by vapor degreasing?
ANSWER: ___________________________________________________________________________
(28) Which process will be used if an item is cleaned by a solvent cleaning process and is to be preserved with a material
using a petroleum solvent as a thinning agent.
ANSWER: ___________________________________________________________________________
(29) Which drying procedures use heat?
ANSWER: ___________________________________________________________________________
(30) What is the requirement for compressed air when used to dry an item?
ANSWER: ___________________________________________________________________________
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