Corrosion Principles MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Corrosion Principles, a fundamental topic in the field of Corrosion Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Corrosion Principles MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Corrosion Principles mcq questions that explore various aspects of Corrosion Principles problems. Each MCQ is crafted to challenge your understanding of Corrosion Principles principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Corrosion Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Corrosion Principles MCQs are your pathway to success in mastering this essential Corrosion Engineering topic.

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Corrosion Principles MCQs | Page 10 of 12

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Q91.
Grain boundaries are the mismatch regions formed between two grains during solidification.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q92.
Which of the following is an example of a homogenous alloy?

a.

18-8 stainless steel

b.

Low carbon steel

c.

High carbon steel

d.

Spheroidal cast iron

Discuss
Answer: (a).18-8 stainless steel
Q93.
Which of the following is an example of Heterogenous alloy?

a.

High carbon steel

b.

18-8 stainless steel

c.

Ni-Cu alloy

d.

Bronze

Discuss
Answer: (a).High carbon steel
Q94.
Grain boundaries are highly prone to corrosion than the grain faces.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q95.
Which of the following type of alloys are highly corrosion resistant in nature?

a.

Homogenous alloys

b.

Heterogenous alloys

c.

Homogenous and heterogeneous alloys

d.

Precipitation strengthened alloys

Discuss
Answer: (a).Homogenous alloys
Q96.
Which of the following conditions are applied to the orthorhombic crystal structure?

a.

a₁=a₂=a₃ and α=β=\(\ddot{\gamma}\)=90

b.

a₁=a₂≠a₃ and α=β=\(\ddot{\gamma}\)=90

c.

a₁≠a₂≠a₃ and α=β=\(\ddot{\gamma}\)=90

d.

a₁≠a₂≠a₃ and α=β=\(\ddot{\gamma}\)≠90

Discuss
Answer: (c).a₁≠a₂≠a₃ and α=β=\(\ddot{\gamma}\)=90
Q97.
Which of the following is the correct option regarding the packing efficiency of crystal structures?

a.

FCC=HCP>BCC

b.

FCC>HCP=BCC

c.

FCC<BCC<HCP

d.

HCP>FCC>BCC

Discuss
Answer: (a).FCC=HCP>BCC
Q98.
What is the ROI in economic consideration of corrosion?

a.

Refund on investment

b.

Return on investment

c.

Refund on income

d.

Return on income

Discuss
Answer: (b).Return on investment
Q99.
What is NPV in economic consideration of corrosion?

a.

Net profit volume

b.

Net present value

c.

Net profit value

d.

Net precision value

Discuss
Answer: (b).Net present value
Q100.
In the given figure, what does point A denote?

a.

Cathodic spot

b.

Anodic spot

c.

Electrolyte

d.

Oxide layer

Discuss
Answer: (a).Cathodic spot
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