MCQOPTIONS
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MCQOPTIONS
This section includes 8 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 unique advantages of anodic protection? |
| A. | To monitor instantaneous corrosion rate |
| B. | Operating conditions can be established in the lab |
| C. | It is applicable for all type of metals |
| D. | To monitor instantaneous corrosion rate and operating conditions can be established in the lab |
| Answer» E. | |
| 2. |
Which of the following is/are the advantages of anodic protection than cathodic protection? |
| A. | Availability in extremely corrosive conditions |
| B. | Low current requirement |
| C. | Availability in extremely corrosive conditions and low current requirement |
| D. | Very low installation cost |
| Answer» D. Very low installation cost | |
| 3. |
Which of the following reference electrode is used in anodic protection? |
| A. | Standard hydrogen electrode |
| B. | Copper/copper sulfate reference electrode |
| C. | Standard hydrogen electrode and calomel electrode |
| D. | Calomel electrode |
| Answer» E. | |
| 4. |
Which of the following auxiliary cathode is used for anodic protection? |
| A. | Graphite |
| B. | Platinized titanium |
| C. | Platinum-clad electrode |
| D. | Aluminum electrode |
| Answer» D. Aluminum electrode | |
| 5. |
A potentiostat is an electronic device that maintains a metal at a constant potential to a reference electrode. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Which of the following metals can be protected using anodic protection? |
| A. | Nickel and iron |
| B. | Nickel, iron, and titanium |
| C. | Titanium only |
| D. | Nickel, iron, titanium, and magnesium |
| Answer» C. Titanium only | |
| 7. |
Anodic protection is based on the formation of a protective film on metals by external applied anodic currents. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Which of the corrosion prevention method is used for reducing the maintenance cost of highway and bridges? |
| A. | Sacrificial anode |
| B. | Impressed current supply |
| C. | Anodic protection |
| D. | Use of inhibitors |
| Answer» C. Anodic protection | |