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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 | |