 
			 
			MCQOPTIONS
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				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. | |