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. |
Which of the mentioned makes production of acetylene from CaC2 economical? |
| A. | Cheap power |
| B. | Ample limestone |
| C. | Adequate waste disposal facilities |
| D. | All of the mentioned |
| Answer» E. | |
| 2. |
Which of the mentioned is a major problem for production of acetylene from Calcium carbide? |
| A. | Choice of lime |
| B. | Waste disposal of lime residue |
| C. | Temperature and pressure control in generators |
| D. | All of the mentioned |
| Answer» E. | |
| 3. |
Acetylene from calcium carbide is produced in how many ways? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 4. |
In the process of manufacturing of acetylene from hydrocarbon feed, what is the residence time in the furnace? |
| A. | 0.02-0.04 second |
| B. | 0.04-0.06 second |
| C. | 0.06-0.08 second |
| D. | 0.08-0.1 second |
| Answer» B. 0.04-0.06 second | |
| 5. |
To what temperature is the hydrocarbon feed and oxygen preheated in one stage burner? |
| A. | 500 Celsius |
| B. | 550 Celsius |
| C. | 600 Celsius |
| D. | 650 Celsius |
| Answer» C. 600 Celsius | |
| 6. |
Acetylene and its dimer are absorbed are absorbed into which of the following mentioned? |
| A. | Cold dimethyl formamide |
| B. | Hot dimethyl formamide |
| C. | Cold sodium amalgam |
| D. | Hot sodium amalgam |
| Answer» B. Hot dimethyl formamide | |
| 7. |
In which of the following methods can acetylene be produced from petroleum hydrocarbons? |
| A. | Partial or stage-wise combustion |
| B. | Pyrolysis |
| C. | Arc process |
| D. | All of the mentioned |
| Answer» E. | |
| 8. |
Which of the mentioned characteristics is true for acetylene? |
| A. | Explosive |
| B. | Toxic |
| C. | Medicinal |
| D. | Edible |
| Answer» B. Toxic | |
| 9. |
Calculate the approximate Molecular weight of acetylene. C 12, H 1. |
| A. | 26 |
| B. | 27 |
| C. | 28 |
| D. | 29 |
| Answer» B. 27 | |
| 10. |
What is the chemical formula of acetylene? |
| A. | C<sub>3</sub>H<sub>3</sub> |
| B. | C<sub>4</sub>H<sub>4</sub> |
| C. | C<sub>2</sub>H<sub>2</sub> |
| D. | C<sub>4</sub>H<sub>4</sub> |
| Answer» D. C<sub>4</sub>H<sub>4</sub> | |