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| Q. |
Which one of the following has the highest fuel value? |
| A. | Hydrogen |
| B. | Charcoal |
| C. | Natural gas |
| D. | Gasoline |
| Answer» A. Hydrogen | |
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Explanation: Hydrogen has the highest calorific value of (141,790 KJ/kg ) thus have highest fuel value. Calorific value of charcoal, natural gas and gasoline are (29,600; 43,000; 47,300 kJ/ kg) respectively. |
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