MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following aromatic compound has a greater potential to smog formation? |
| A. | Phenol |
| B. | Benzene |
| C. | Toluene |
| D. | Xylene |
| Answer» E. | |
| 2. |
How can we alter the hydrocarbon molecules in crude oil? |
| A. | By fractional distillation |
| B. | By alkylation |
| C. | By pulverising method |
| D. | By heating |
| Answer» C. By pulverising method | |
| 3. |
Anti-knocking agent MMT is found to be toxic if ingested or inhaled. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following element has low toxicity than lead which can be used as anti-knocking agent, when released into environment? |
| A. | Vanadium |
| B. | Iron |
| C. | Titanium |
| D. | Manganese |
| Answer» E. | |
| 5. |
Which of the following does the catalytic converter consist for reduction of emissions from petrol driven vehicles? |
| A. | Non-metal support |
| B. | Ceramics support |
| C. | Gels and sols support |
| D. | Radioactive element support |
| Answer» C. Gels and sols support | |
| 6. |
What happens when noble metals like platinum and palladium are used as a catalyst in catalytic converters? |
| A. | They convert the hydrocarbon content into CO<sub>2</sub> and H<sub>2</sub>O |
| B. | They reduce NO<sub>x</sub> emissions |
| C. | They prone to poisoning by lead |
| D. | They are used to decrease lead content in gasoline |
| Answer» D. They are used to decrease lead content in gasoline | |
| 7. |
What amount of lead is permissible for unleaded gasoline in India? |
| A. | 13 mg/L |
| B. | 17 mg/L |
| C. | 21 mg/L |
| D. | 10 mg/L |
| Answer» B. 17 mg/L | |
| 8. |
How much power output can be achieved by using fuel of octane rating 100? |
| A. | 21.3 % |
| B. | 10.5 % |
| C. | 26.7 % |
| D. | 35.9 % |
| Answer» D. 35.9 % | |
| 9. |
Which type of octane rating of petrol is used in India? |
| A. | Ocatne-83 |
| B. | Octane-91 |
| C. | Octane-73 |
| D. | Octane- 87 |
| Answer» E. | |
| 10. |
Why is cresyl diphenyl phosphate added with petrol? |
| A. | To increase the inductance period of the engine |
| B. | To decrease the electrical conductivity of lead compounds |
| C. | To increase the electrical conductivity of lead compounds |
| D. | To decrease the inductance period of the engine |
| Answer» C. To increase the electrical conductivity of lead compounds | |