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. |
The application of electrochemical protection methods in organic acids is restricted due to low electrical conductivity. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following is/are the corrosion prevention methods in organic acids? |
| A. | Selection of materials and drying |
| B. | Selection of materials, drying, deaeration, and neutralization of the solvent |
| C. | Deaeration and neutralization of the solvent |
| D. | Drying and deaeration |
| Answer» C. Deaeration and neutralization of the solvent | |
| 3. |
What are the parameters that affect the corrosion rate of metal in organic acids? |
| A. | Solvent composition |
| B. | The solubility of corrosion products |
| C. | Oxygen solubility |
| D. | Solvent composition, the solubility of corrosion products and oxygen solubility |
| Answer» E. | |
| 4. |
Which of the following impurities that affect the corrosion rate of carbon steel in benzene solvent? |
| A. | Oxygen |
| B. | Butyric acid |
| C. | Oxygen and butyric acid |
| D. | Zinc dust |
| Answer» D. Zinc dust | |
| 5. |
Which of the following metals will have high corrosion rates in aerated acetic acid? |
| A. | Aluminum and its alloys |
| B. | Copper and its alloys |
| C. | Titanium and its alloys |
| D. | Nickel and its alloys |
| Answer» C. Titanium and its alloys | |
| 6. |
Which of the following metal is prone to stress corrosion cracking in methanol? |
| A. | Nickel |
| B. | Copper |
| C. | Titanium |
| D. | Stainless steel |
| Answer» D. Stainless steel | |
| 7. |
Which of the following is the most corrosive organic acid? |
| A. | Acetic acid |
| B. | Formic acid |
| C. | Ethanol |
| D. | Acetone |
| Answer» C. Ethanol | |
| 8. |
Organic acids are relatively weaker than the inorganic acids because they are slightly ionized. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Which of the following metals will switch positions in acetic acid as the temperature gets increased? |
| A. | Copper and stainless steel |
| B. | Stainless steel and nickel |
| C. | Steel and copper |
| D. | Aluminum and nickel |
| Answer» B. Stainless steel and nickel | |
| 10. |
Which of the following materials is/are used for handling acetic acid? |
| A. | Type 316 and 304 Stainless steels |
| B. | Copper and Bronzes |
| C. | Duriron and Hastelloy C |
| D. | Hastelloy C, Durimet 20, Duriron, Copper, Bronzes and 316 and 304 stainless steels |
| Answer» E. | |