Metallurgical Engineering
GATE MT Electrochemical kinetics PYQs
Build your understanding with focused practice from past exam papers.
How to practice Electrochemical kinetics
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–3 of 3. Imported answers require independent review unless marked reviewed.
Question 62
Open questionMTNAT2 marksNeeds review
A mild steel pipeline is connected to zinc for cathodic protection at a current density of 10
. The quantity of zinc required per square meter of the pipeline per year is ________
. (Round off to the nearest integer).Given: Atomic weight of Zn is 65
Faraday’s constant
(of electrons)Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 43
Open questionMTNAT2 marksNeeds review
Iron is corroding in fresh water which has dissolved oxygen concentration of 15 mM. The anodic current density at an overpotential of 120 mV is ______ A·cm
(round off to three decimal places).Given:
Anodic Tafel slope is 0.06 V.
Diffusion coefficient of oxygen is
cm
·s
.Diffusion layer thickness is 0.06 cm.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 8
Open questionMTMCQ1 markNeeds review
Consider electrodeposition of copper on a copper electrode from an aqueous solution containing
CuSO₄. Given: Faraday constant,
per gram equivalent. Assume transport of reactant is rate limiting, and mass transfer coefficient is
. The limiting current density (in
) isYour answerChoose one option.
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