

MCQOPTIONS
Saved Bookmarks
This section includes 14 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. |
What is NPV in economic consideration of corrosion? |
A. | Net profit volume |
B. | Net present value |
C. | Net profit value |
D. | Net precision value |
Answer» C. Net profit value | |
2. |
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 |
Answer» C. Refund on income | |
3. |
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 |
Answer» B. FCC>HCP=BCC | |
4. |
Which of the following conditions are applied to the orthorhombic crystal structure? |
A. | a<sub>1</sub>=a<sub>2</sub>=a<sub>3</sub> and = = ( ddot{ gamma} )=90 |
B. | a<sub>1</sub>=a<sub>2</sub> a<sub>3</sub> and = = ( ddot{ gamma} )=90 |
C. | a<sub>1</sub> a<sub>2</sub> a<sub>3</sub> and = = ( ddot{ gamma} )=90 |
D. | a<sub>1</sub> a<sub>2</sub> a<sub>3</sub> and = = ( ddot{ gamma} ) 90 |
Answer» D. a<sub>1</sub> a<sub>2</sub> a<sub>3</sub> and = = ( ddot{ gamma} ) 90 | |
5. |
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 |
Answer» B. Heterogenous alloys | |
6. |
Grain boundaries are highly prone to corrosion than the grain faces. |
A. | True |
B. | False |
Answer» B. False | |
7. |
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 |
Answer» B. 18-8 stainless steel | |
8. |
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 |
Answer» B. Low carbon steel | |
9. |
Grain boundaries are the mismatch regions formed between two grains during solidification. |
A. | True |
B. | False |
Answer» B. False | |
10. |
Which of the following types of bonds are non-directional in nature? |
A. | Covalent bond |
B. | Ionic bond |
C. | Metallic bond |
D. | Covalent and metallic bond |
Answer» E. | |
11. |
Which of the following is/are the properties of metals? |
A. | Ductility |
B. | Electrical conductivity |
C. | Thermal conductivity |
D. | Ductility, electrical and thermal conductivity |
Answer» E. | |
12. |
What is the crystal structure of Magnesium? |
A. | Face centered cubic structure |
B. | Body-centered cubic structure |
C. | Hexagonal close packed structure |
D. | Simple cubic structure |
Answer» D. Simple cubic structure | |
13. |
What is the crystal structure of Austenitic stainless steel? |
A. | Face centered cubic structure |
B. | Body-centered cubic structure |
C. | Hexagonal close packed structure |
D. | Simple cubic structure |
Answer» B. Body-centered cubic structure | |
14. |
Which of the following are the types of materials, that are categorized based on its atomic arrangement? |
A. | Crystalline |
B. | Amorphous |
C. | Semi-crystalline |
D. | Crystalline, amorphous and semi-crystalline |
Answer» E. | |