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Metallurgical Engineering · Q52

Electrometallurgy and Corrosion

Engineering and GATE · Metallurgical Engineering · question 52

Q52

For oxide layer to be protective, the Pilling Bedworth ratio should be

A.
close to 1
Answer
B.
less than 0.5
C.
nearly 5
D.
greater than 10

Answer: Option A

Solution

Answer: Option A
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