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Intergranular Corrosion - Corrosion Engineering MCQ Questions

Intergranular Corrosion MCQs : Here you will find MCQ Questions related to "Intergranular Corrosion" in Corrosion Engineering. These Intergranular Corrosion MCQ Questions Will help you to improve your Corrosion Engineering knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations

Question 1

Intergranular corrosion (IGC), also known as ?

A. Uniform Corrosion
B. Crevice Corrosion
C. Filiform Corrosion
D. Intergranular attack

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Question 2

How much percentage of chromium is minimally required to ensure passivation?

A. 8
B. 10
C. 12
D. 18

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Question 3

Intergranular corrosion is a form of corrosion where the boundaries of crystallites of the material are less susceptible to corrosion than their insides.

C. Can be true or false
D. Can not say

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Question 4

Which of the following alloys is/are prone to intergranular corrosion?

A. Iron in aluminum
B. Zinc in brass
C. 18-8 Stainless steel
D. Iron in aluminum, zinc in brass and 18-8 stainless steel

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Question 5

which metal is highly Intergranular corrosion?

A. stainless steel
B. zinc
C. silver
D. hydrogen

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Question 6

What is the minimum percent of chromium is needed to make stainless steel?

A. 0.05
B. 0.07
C. 0.11
D. 0.09

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Question 7

Which of the following is/are the stabilizing elements to minimize intergranular corrosion of stainless steel?

A. Niobium
B. Columbium
C. Both A and B
D. None of the above

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Question 8

What is the abbreviation of KLA regarding intergranular corrosion?

A. Knife-Line Attack
B. Knight-Line Attack
C. Knife-Life Action
D. Knight-Life Action

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Question 9

Which of the following is used to visualize the heat flow and temperatures during welding?

A. Intergranular corrosion
B. Tablecloth analogy
C. Weld decay
D. Weld decay and intergranular corrosion

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Question 10

Aluminium-based alloys may be sensitive to intergranular corrosion if there are layers of materials acting as anodes between the aluminium-rich crystals.

A. Yes
B. No
C. Can be yes or no
D. Can not say

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