Dry corrosion is very common in metals. Stainless steel has very high resistance to the dry corrosion due to Select one: a. stainless steel has high ionic conductivity O b. stainless steel has high electrical conductivity C. Its ability of forming a protective film by the addition of 12% chromium d. its anodic/catholic property Question 12 To minimize the effect of wet corrosion between two (2) metals. Which answer is wrong? Select one: a. Impress an electric DC current between a non-consumable anode and the metals to be protected. O b. Modification of the corrosive environment eg. de-aeration or inhibitors. C. Installing a third metal that is anodic to both.
Dry corrosion is very common in metals. Stainless steel has very high resistance to the dry corrosion due to Select one: a. stainless steel has high ionic conductivity O b. stainless steel has high electrical conductivity C. Its ability of forming a protective film by the addition of 12% chromium d. its anodic/catholic property Question 12 To minimize the effect of wet corrosion between two (2) metals. Which answer is wrong? Select one: a. Impress an electric DC current between a non-consumable anode and the metals to be protected. O b. Modification of the corrosive environment eg. de-aeration or inhibitors. C. Installing a third metal that is anodic to both.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Question 11
Dry corrosion is very common in metals. Stainless steel has very high resistance
to the dry corrosion due to
Select one:
а.
stainless steel has high ionic conductivity
O b. stainless steel has high electrical conductivity
C. Its ability of forming a protective film by the addition of 12% chromium
С.
O d.
its anodic/catholic property
Question 12
To minimize the effect of wet corrosion between two (2) metals. Which answer is
wrong?
Select one:
а.
Impress an electric DC current between a non-consumable anode and
the metals to be protected.
O b.
Modification of the corrosive environment eg. de-aeration or inhibitors.
O c. Installing a third metal that is anodic to both.
O d. Selecting metals that are not close together in the galvanic series
e. Electrically isolate the two metals if possible
f.
Prevent the inclusion or entrapment of moisture.
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