MCQOPTIONS
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MCQOPTIONS
This section includes 204 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
Which radio nuclide has the least half life period? |
| A. | Carbon 14 |
| B. | Iodine 131 |
| C. | Radium |
| D. | Hydrogen 3 |
| E. | None of the above |
| Answer» C. Radium | |
| 202. |
One kg of octane is burnt by four alternative processes given below. In which case the work available will be maximum |
| A. | When burnt in an open pan in atmosphere |
| B. | When burnt in an internal combustion engine |
| C. | When burnt in a fuel cell |
| D. | When burnt in a reversible process |
| E. | None of the above |
| Answer» E. None of the above | |
| 203. |
Which fuel will have least air consumption per kg of fuel during consumption? |
| A. | Gasoline |
| B. | Benzol |
| C. | Spirit |
| D. | Lubricating oil |
| E. | None of the above |
| Answer» D. Lubricating oil | |
| 204. |
Half life period for carbon 14 is nearly |
| A. | 1.2 days |
| B. | 5.73 days |
| C. | 5.73 years |
| D. | 5730 days |
| E. | None of the above |
| Answer» E. None of the above | |