MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
In which of the following reactions, we observe an increase in corrosion rate with the increase in corrosive concentration? |
| A. | 18Cr 8Ni in HNO<sub>3</sub> |
| B. | Ni in NaOH |
| C. | Pb in H<sub>2</sub>SO<sub>4</sub> |
| D. | Fe in H<sub>2</sub>SO<sub>4</sub> |
| Answer» E. | |
| 2. |
The concentration of the corrosive medium increases with the increase in impurity ion concentration. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
In which of the following reactions, we observe the unaffected corrosion rate with the increase in temperature? |
| A. | 18Cr 8Ni in HNO<sub>3</sub> |
| B. | 18Cr-8Ni in H<sub>2</sub>SO<sub>4</sub> |
| C. | Ni in HCl |
| D. | Fe in HF |
| Answer» B. 18Cr-8Ni in H<sub>2</sub>SO<sub>4</sub> | |
| 4. |
In which of the following reactions, we observe the exponential increase in corrosion rate with an increase in temperature? |
| A. | 18Cr-8Ni in H<sub>2</sub>SO<sub>4</sub> |
| B. | 18Cr-8Ni in HNO<sub>3</sub> |
| C. | Ni in NaOH |
| D. | Monel in HF |
| Answer» B. 18Cr-8Ni in HNO<sub>3</sub> | |
| 5. |
The rate of chemical reaction increases with an increase in temperature. |
| A. | True |
| B. | False |
| Answer» B. False | |