MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Industry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
How much percentage of oxygen is present in High purity oxygen? |
| A. | 90.5 |
| B. | 93.5 |
| C. | 95.5 |
| D. | 99.5 |
| Answer» E. | |
| 2. |
What type of oxygen is used for oxidation of hydrocarbons? |
| A. | Low purity oxygen |
| B. | High purity oxygen |
| C. | Atmospheric oxygen |
| D. | Liquid oxygen |
| Answer» B. High purity oxygen | |
| 3. |
Refrigeration by adiabatic expansion of compressed air in a rotating expansion machine is termed as which of the mentioned cycles? |
| A. | Linde |
| B. | Claude |
| C. | Newton |
| D. | None of the mentioned |
| Answer» C. Newton | |
| 4. |
Refrigeration by Joule-Thomson cooling is termed as which of the mentioned cycles? |
| A. | Linde |
| B. | Claude |
| C. | Newton |
| D. | None of the mentioned |
| Answer» B. Claude | |
| 5. |
Which of the mentioned gas is used as protective atmosphere to prevent oxidation in metalworking and food preservation? |
| A. | N<sub>2</sub> |
| B. | O<sub>2</sub> |
| C. | H<sub>2</sub> |
| D. | CO<sub>2</sub> |
| Answer» B. O<sub>2</sub> | |
| 6. |
Which oxygen is used for blast furnace operations? |
| A. | High purity oxygen |
| B. | Low purity oxygen |
| C. | Atmospheric oxygen |
| D. | Liquid oxygen |
| Answer» C. Atmospheric oxygen | |
| 7. |
Which of the mentioned purposes uses High purity oxygen? |
| A. | Welding and cutting of metals |
| B. | Open hearth steel purification |
| C. | Medicinal purposes |
| D. | All the mentioned |
| Answer» E. | |
| 8. |
What is the molecular weight of Nitrogen? |
| A. | 25 |
| B. | 26 |
| C. | 27 |
| D. | 28 |
| Answer» E. | |
| 9. |
What is the molecular weight of Oxygen? |
| A. | 30 |
| B. | 31 |
| C. | 32 |
| D. | 33 |
| Answer» D. 33 | |