MCQOPTIONS
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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. |
Which raw material used for the production of urea? |
| A. | CO<sub>2</sub>+N<sub>2</sub> |
| B. | CO<sub>2</sub>+NH<sub>3</sub> |
| C. | NH<sub>2</sub>CONH<sub>2</sub> |
| D. | NH<sub>3</sub> |
| Answer» C. NH<sub>2</sub>CONH<sub>2</sub> | |
| 2. |
In which process unconverted NH3 is absorbed? |
| A. | Stamicarbon process |
| B. | Toyo koatsu process |
| C. | Inventa process |
| D. | Hot- recycle process |
| Answer» D. Hot- recycle process | |
| 3. |
Which prevention can be taken to avoid the formation of biuret? |
| A. | Temperature > melting point |
| B. | Temperature < melting point |
| C. | Temperature > boiling point |
| D. | Temperature < boiling point |
| Answer» B. Temperature < melting point | |
| 4. |
What is the major engineering problem associated with ammonia production? |
| A. | Corrosion |
| B. | Heat recovery |
| C. | Handling deposited carbon |
| D. | Burner design |
| Answer» B. Heat recovery | |
| 5. |
In which process NH3 is compressed and returned to the autoclave? |
| A. | Inventa process |
| B. | Chemico process |
| C. | Pechiney process |
| D. | Montecatini process |
| Answer» C. Pechiney process | |
| 6. |
In which cycle NH3 and CO2 are used as raw materials? |
| A. | Claude cycle |
| B. | Wulff cycle |
| C. | Cascades cycle |
| D. | Montecatini solution recycle |
| Answer» E. | |
| 7. |
What is the undesirable product in urea production? |
| A. | Ammonium carbonate |
| B. | Biuret formation |
| C. | Liquid NH<sub>3</sub> |
| D. | Flakes formation |
| Answer» C. Liquid NH<sub>3</sub> | |
| 8. |
Which process is associated with urea production? |
| A. | High pressure stripping operation |
| B. | Low temperature stripping operation |
| C. | Low pressure stripping operation |
| D. | Low temperature stripping operation |
| Answer» D. Low temperature stripping operation | |
| 9. |
What is the highest end use of urea? |
| A. | solid fertilizer |
| B. | liquid fertilizer |
| C. | formaldehyde resin |
| D. | melamine |
| Answer» B. liquid fertilizer | |