MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
In which of the mentioned equipment does further decomposition of carbamate take place? |
| A. | Atmospheric flash drum |
| B. | Flash evaporator |
| C. | Distillation tower |
| D. | Cooling tower |
| Answer» B. Flash evaporator | |
| 2. |
What are the resultant compounds after reaction of compressed NH3 and CO2 in autoclave on continuous basis? |
| A. | Urea |
| B. | Ammonium Carbamate |
| C. | H<sub>2</sub>O |
| D. | All of the mentioned |
| Answer» E. | |
| 3. |
What is the average residence time of the autoclave on continuous basis when fed with compressed ammonia and CO2? |
| A. | 1-2 hours |
| B. | 1.5-2 hours |
| C. | 1.5-2.5 hours |
| D. | 1.5-3 hours |
| Answer» C. 1.5-2.5 hours | |
| 4. |
Into which of the mentioned equipment are compressed NH3 and CO2 added for production of urea by Ammonia carbamate decomposition? |
| A. | CSTR |
| B. | Parr Reactor |
| C. | Autoclave |
| D. | Plug type reactor |
| Answer» D. Plug type reactor | |
| 5. |
What kind of reaction takes place when compressed ammonia and CO2 are reacted? |
| A. | Highly Endothermic |
| B. | Exothermic |
| C. | Endothermic |
| D. | None of the mentioned |
| Answer» C. Endothermic | |
| 6. |
Ammonium carbamate decomposition results in which of the mentioned? |
| A. | Urea |
| B. | DDT |
| C. | Ammonium nitrate |
| D. | Ammonium hydroxide |
| Answer» B. DDT | |
| 7. |
Which of the mentioned statements is true? |
| A. | Melamine is synthesized by condensation of urea molecules |
| B. | Melamine is synthesized by thermal cracking hydrocarbons |
| C. | Melamine is synthesized by polymerization of urea molecules |
| D. | None of the mentioned |
| Answer» B. Melamine is synthesized by thermal cracking hydrocarbons | |
| 8. |
Urea-ammonium nitrate solution is regarded as which of the mentioned? |
| A. | Nitrogen fertilizer |
| B. | Phosphate fertilizer |
| C. | Potassium fertilizer |
| D. | Mixed fertilizer |
| Answer» B. Phosphate fertilizer | |
| 9. |
For which of the mentioned does Urea serve the purpose? |
| A. | Fertilizer |
| B. | Formaldehyde resins |
| C. | Melamine |
| D. | All of the mentioned |
| Answer» E. | |
| 10. |
What is the molecular weight of Urea? |
| A. | 60 |
| B. | 70 |
| C. | 80 |
| D. | 90 |
| Answer» B. 70 | |