Electrometallurgy and Corrosion MCQ Questions and Answers

Home

Competitive Exams

Aptitude English Verbal Reasoning Non Verbal Reasoning General Knowledge(GK) General Science(GS) Data Interpretation(DI) Banking Awareness Current Affairs

Computer & Programming

Computer Fundamentals Networking SQL Database C Programming C++ Programming Java Python

Other Subjects

Commerce Management Law Political Science Psychology Agriculture

Exam Categories

SSC Exams Railway Exams All Exams

Popular Exams

SSC CGL SSC CHSL SSC MTS Railway Group D RRB ALP RRB Technician RRB Section Controller

Engineering Subjects

Computer Science Electronics & Communication Mechanical Engineering Civil Engineering Electrical Engineering

More Engineering

Chemical Engineering Automobile Engineering Biotechnology Mining Engineering Geological Engineering

Engineering Core

Engineering Mathematics Engineering Physics Engineering Chemistry Metallurgical Engineering

Computer Fundamentals

Computer Fundamentals Networking Database SQL MySQL

Programming

C Programming C++ Programming Java Python PHP JavaScript

Advanced

Artificial Intelligence Machine Learning Data Science Cloud Computing Hadoop IoT

Graduation & PG

Commerce Management Law Mass Communication Political Science Psychology

Resources

Current Affairs Interview Blog

Enhance your knowledge of Electrometallurgy and Corrosion with this comprehensive collection of MCQ questions and answers. These MCQ questions and answers in Electrometallurgy and Corrosion are specifically designed for students of Metallurgical Engineering who are preparing for the GATE Exam. Strengthen your preparation and excel in your studies with this valuable resource. Page-5 section-1

Logarithmic rate law

A) Observed with thin highly protective oxide films at low temperature B) W = E log (Ft + G) C) Both A and B D) None of these

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which of the following is/are the examples for metal-coated articles?

A) Silverware B) Galvanized steel C) Tin cans D) Silverware, galvanized steel, and tin cans

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The passive film in stainless steel forms above the

A) Primary passive potential B) Breakdown potential C) Trans-passive potential D) Pitting potential

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

What is meant by vapor deposition?

A) A wire or powder through melting flame is blown onto the surface to be protected B) Coating metal is vaporized electrically to deposit on the metals to be coated C) Hot rolling of two metals together to get a composite sheet D) Immersing native metal in a solution of the metal to be plated

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

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 B) y = K₁log(K₂t + K₃) C) y = K₁f + K₂ D) y = K₁t³ + K₂

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which of the following metals is highest active in the Galvanic series?

A) Alclad B) Aluminium C) Galvanized steel D) Zinc

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

A pipeline buried in soil is commonly protected from corrosion by

A) anodic protection B) cathodic protection C) using inhibitors D) using a special alloy resistant to corrosion

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which of the following is/are the limitations of Pourbaix diagrams?

A) Rate of reaction is can't be predicted B) It neglects the impurities of working conditions C) Stability of metallic species is predicted D) Rate of reaction is not predicted and it neglects the impurities of working conditions

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Identify the false statement:

A) Martensitic steel are less susceptible to pitting corrosion than austenitic steels B) Pitting corrosion is usually very localised C) Hydrogen embrittlement is facilitated by tensile stress D) Stress corrosion cracking is facilitated by tensile stress

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

What is depicted in the given polarization curve?
Electrometallurgy and Corrosion mcq question image

A) Cathodic dissolution of typical active-passive transition metal B) Anodic dissolution of typical active-passive transition metal C) Anodic dissolution of a metal D) Cathodic dissolution of a metal

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

1 2 3 4 5 6

Electrometallurgy and Corrosion MCQ Questions and Answers | Metallurgical Engineering