Q.1: Give the general design rules which should be taken to control corrosion of
ID: 1074629 • Letter: Q
Question
Q.1: Give the general design rules which should be taken to control corrosion of metals and alloys. Q.2: Give the general rules which should be taken to control or prevent the following types of corrosion: a. pitting, galvanic, crevice, Q.3: Shortly describe the different measures which should be taken to control the corrosiveness of aquatic environments. Q.4: Explain two effective methods used to control corrosion of metallic equipments in storehouse, discuss how they affect the corrosion process.Explanation / Answer
Q.1 Corrosion of metals and alloys can be controlled in several ways, some of the ways are mentioned below.
(i) By avoiding their exposure to the environment (air and moisture).
(ii) By using a corrosion resistant materials as a protective coating covering an inherently reactive material for the environment concerned.
(iii) By controlling the environment, through manipulation of its composition.
(iv) By changing those electrochemical factors that control the corrosion reactions.
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