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Metallurgical Engineering · Q45

Electrometallurgy and Corrosion

Engineering and GATE · Metallurgical Engineering · question 45

Q45

The thickness of oxide film is 'y' at a time 't' If K1, K2 and K3 are the temperature dependent constants, the parabolic law of oxidation is given by

A.
y2 = 2K1t + K2
Answer
B.
y = K1log(K2t + K3)
C.
y = K1f + K2
D.
y = K1t3 + K2

Answer: Option A

Solution

Answer: Option A
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