MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Unit Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
WHAT_HAPPENS_TO_EQUILIBRIUM_CONSTANT_IN_METHANOL_SYNTHESIS_AS_TEMPERATURE_DECREASES??$ |
| A. | Increases |
| B. | Remains same |
| C. | Decreases |
| D. | None of the mentioned |
| Answer» B. Remains same | |
| 2. |
What should be the operating temperature to produce higher alcohol?$ |
| A. | Higher |
| B. | Lower |
| C. | Moderate |
| D. | None of the mentioned |
| Answer» B. Lower | |
| 3. |
Fill in the blank: Carbon monoxide is an active _____ for nickel catalysts.$ |
| A. | Promoter |
| B. | Reactant |
| C. | Poison |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 4. |
The higher alcohol mixture contains which of the following primary alcohols? |
| A. | N-propanol |
| B. | Isobutanol |
| C. | 2-methyl-1-butanol |
| D. | All of the mentioned |
| Answer» E. | |
| 5. |
The synthesis of methanol from carbon monoxide and hydrogen is what type of reaction? |
| A. | Irreversible |
| B. | Reversible |
| C. | Both of the mentioned |
| D. | None of the mentioned |
| Answer» C. Both of the mentioned | |
| 6. |
Carbon monoxide may be hydrogenated to produce what? |
| A. | Hydrocarbon |
| B. | Alcohols |
| C. | Both hydrocarbon and alcohols |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 7. |
Nickel is by far the most commonly used catalyst in oil hardening. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
The degree of hydrogenation is determined by what? |
| A. | Melting point |
| B. | Iodine-absorption number |
| C. | Refractive index |
| D. | All of the mentioned |
| Answer» E. | |
| 9. |
When the oils are partially hydrogenated, we get solid as result. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
When the oils are completely hydrogenated what do we get? |
| A. | Solid |
| B. | Liquid |
| C. | Vapour |
| D. | All of the mentioned |
| Answer» B. Liquid | |
| 11. |
During processing of edible oils what should be the temperature range? |
| A. | High |
| B. | Low |
| C. | Moderate |
| D. | None of the mentioned |
| Answer» C. Moderate | |
| 12. |
What is the purposes of the hydrogenation of vegetable? |
| A. | Produce hard fats |
| B. | Removing impurities |
| C. | Greater consistency |
| D. | All of the mentioned |
| Answer» E. | |
| 13. |
Which process is hardening of vegetable or marine oils? |
| A. | Dehydrogenation |
| B. | Oxidation |
| C. | Hydrogenation |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |