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| Q. |
Ethyl fluid is used as |
| A. | To improve lubricating quality of fuel |
| B. | To increase octane rating of fuel |
| C. | As a detonating agent |
| D. | To increase cetane rotary of fuel |
| E. | As a superior type of fluid compared to others |
| Answer» B. To increase octane rating of fuel | |
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