Which of the following is/are included in the general term avoid heterogeneity?(a) Dissimilar metal contact(b) Different phases such as vapor spaces(c) Uneven heat and stress contribution(d) Dissimilar metal contact, different phases such as vapor spaces, and uneven heat and stress distribution.I have been asked this question in an interview.The query is from Prevention topic in portion Corrosion Prevention of Corrosion Engineering

Which of the following is/are included in the general term avoid heter

1.	Which of the following is/are included in the general term avoid heterogeneity?(a) Dissimilar metal contact(b) Different phases such as vapor spaces(c) Uneven heat and stress contribution(d) Dissimilar metal contact, different phases such as vapor spaces, and uneven heat and stress distribution.I have been asked this question in an interview.The query is from Prevention topic in portion Corrosion Prevention of Corrosion Engineering
Answer» Correct answer is (d) Dissimilar METAL contact, different phases such as vapor spaces, and uneven HEAT and stress distribution. Explanation: The DESIGN RULE to avoid HETEROGENEITY includes dissimilar metal contact, different phases such as vapor spaces, and uneven heat and stress distribution.

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