MCQOPTIONS
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MCQOPTIONS
This section includes 10 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 phenomenon that results in rapid corrosion on the inside of large storage tanks occurs when moisture-laden salt air is drawn in? |
| A. | Sheltering |
| B. | Breathing |
| C. | Exhalation |
| D. | Crevice |
| Answer» C. Exhalation | |
| 2. |
Sheltered corrosion is the type of corrosion where moisture condenses or accumulates and does not dry out for long periods of time. |
| A. | False |
| B. | True |
| Answer» B. True | |
| 3. |
Which of the following alloys is also called as weathering steels? |
| A. | Low-alloy steels used for atmospheric applications |
| B. | High-alloy steels used for atmospheric applications |
| C. | Low-alloy copper alloys |
| D. | Low-alloy aluminum alloys |
| Answer» B. High-alloy steels used for atmospheric applications | |
| 4. |
Which of the following metals are widely used for atmospheric applications? |
| A. | Copper and lead |
| B. | Copper, lead, aluminum and galvanized steel |
| C. | Galvanized steel only |
| D. | Galvanized steel and copper |
| Answer» C. Galvanized steel only | |
| 5. |
Which of the following alloying elements increase resistance of steel to atmospheric corrosion? |
| A. | Copper |
| B. | Nickel |
| C. | Chromium |
| D. | Copper, nickel and chromium |
| Answer» E. | |
| 6. |
Which of the following is/are the reasons for more corrosiveness of industrial atmosphere than rural atmosphere? |
| A. | Formation of sulfurous and sulfuric acid |
| B. | Ejection of corrosive ammoniacal solutions |
| C. | Formation of sulfurous and sulfuric acid and ejection of corrosive ammoniacal solutions |
| D. | High levels of carbon dioxide |
| Answer» D. High levels of carbon dioxide | |
| 7. |
How many times that industrial corrosion is more corrosive than rural atmospheres? |
| A. | 10 to 20 |
| B. | 50 to 100 |
| C. | 30 to 50 |
| D. | 100 to 150 |
| Answer» C. 30 to 50 | |
| 8. |
Corrosion of steel on the seacoast is 400 to 500 times is more corrosive than in a desert area. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Which of the following is/are the primary causes of atmospheric corrosion? |
| A. | Moisture |
| B. | Oxygen |
| C. | Moisture, oxygen and sulfur contaminants |
| D. | Sulfur contaminants only |
| Answer» D. Sulfur contaminants only | |
| 10. |
Which of the following is/are the classifications of atmospheres regarding atmospheric corrosion? |
| A. | Industrial |
| B. | Marine |
| C. | Rural |
| D. | Industrial, marine and rural |
| Answer» E. | |