Explore topic-wise MCQs in Corrosion Engineering.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Corrosion Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following are the types of metallic coatings that prevent corrosion?

A. Metal cladding
B. Electroplating
C. Metal coat extrusion
D. Metal cladding, electroplating and metal coat extrusion
Answer» E.
Discussion
2.

Pure metals are more corrosion resistant than commercial materials.

A. True
B. False
Answer» B. False
Discussion
3.

What is the standard electrode potential of Fe+2/Fe?

A. 0.0 V
B. +0.36
C. -0.44
D. -0.76
Answer» D. -0.76
Discussion
4.

Which of the following is/are the causes of catastrophic failures of corrosion?

A. Incomplete weld penetration
B. Extremely porous casting
C. Improper heat treatment
D. Incomplete weld penetration, extremely porous casting and improper heat treatment
Answer» E.
Discussion
5.

What is/are the preventions of uniform corrosion?

A. Proper material coatings
B. Inhibitors
C. Cathodic protection
D. Proper material coatings, inhibitors, and cathodic protection
Answer» E.
Discussion
6.

Tarnishing of silver is an example of which type of corrosion?

A. Crevice corrosion
B. Pitting corrosion
C. Uniform corrosion
D. Erosion corrosion
Answer» D. Erosion corrosion
Discussion
7.

Which of the following is an example of uniform corrosion?

A. Zinc dissolution in dilute H2SO4
B. Dezincification of brass in acids
C. Rusting of iron
D. Zinc dissolution in dilute H2SO4 and rusting of iron
Answer» E.
Discussion
8.

Which of the following is/are types of corrosion?

A. Erosion corrosion
B. Galvanic corrosion
C. Pitting corrosion
D. Erosion, galvanic and pitting corrosion
Answer» E.
Discussion
9.

What is the important basis for the classification of corrosion?

A. Appearance of corroded metal
B. Nature of metal
C. Environmental conditions
D. Corrosion rate
Answer» B. Nature of metal
Discussion