MCQOPTIONS
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MCQOPTIONS
This section includes 7 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 is/are the preventions of corrosion fatigue? |
| A. | Use of high tensile strength metals |
| B. | Perform shot penning to induce compressive stresses |
| C. | Use coatings such as electrodeposited zinc, nickel |
| D. | Use of high tensile strength metals, perform shot penning to induce compressive stresses and use of coatings such as electrodeposited zinc, nickel |
| Answer» E. | |
| 2. |
Which of the following is/are the facts that indicate the reduction in fatigue resistance of metal? |
| A. | Corrosion pits act as stress raisers |
| B. | Corrosion pits act as initiate cracks |
| C. | Corrosion pits act as a stress raiser and initiate cracks |
| D. | Corrosion pits neither act as stress raiser nor initiate cracks |
| Answer» D. Corrosion pits neither act as stress raiser nor initiate cracks | |
| 3. |
Which of the following is/are the factors that influence corrosion fatigue? |
| A. | Type of metal |
| B. | Composition of corrosive solution |
| C. | Temperature |
| D. | Type of metal, corrosive solution composition, and temperature |
| Answer» E. | |
| 4. |
Define the fatigue limit of a metal. |
| A. | Stress below which metal will endure an infinite number of cycles without fracture |
| B. | Stress above which metal will endure an infinite number of cycles without fracture |
| C. | Stress at which metal will endure a less finite number of cycles |
| D. | Stress at which metal will endure a more finite number of cycles |
| Answer» B. Stress above which metal will endure an infinite number of cycles without fracture | |
| 5. |
What is the nature of fatigue fracture? |
| A. | Brittle fracture |
| B. | Cup and cone fracture |
| C. | Tensile fracture |
| D. | Brittle and tensile fracture |
| Answer» B. Cup and cone fracture | |
| 6. |
What is meant by fatigue? |
| A. | The tendency of a metal to fracture under static loading |
| B. | The tendency of a metal to fracture under repeated cyclic loading |
| C. | The tendency of a metal to fracture under non-repeating cyclic loading |
| D. | The tendency of a metal to fracture after heavy deformation |
| Answer» C. The tendency of a metal to fracture under non-repeating cyclic loading | |
| 7. |
Corrosion fatigue is defined as the reduction of fatigue resistance due to the presence of a corrosive medium. |
| A. | True |
| B. | False |
| Answer» B. False | |