Which one of the following is not a primary fuel?
Show Hint
- Primary fuels: Natural sources like coal, petroleum, natural gas.
- Secondary fuels: Derived from primary fuels, e.g., kerosene, gasoline.
- Petroleum
- Natural gas
- Kerosene
- Coal
The Correct Option is C
Solution and Explanation
Step 1: Understanding primary and secondary fuels.
- Primary fuels occur naturally (coal, natural gas, crude oil).
- Kerosene is derived from crude oil, making it a secondary fuel.
Step 2: Selecting the correct option. Since kerosene is not a primary fuel, the correct answer is (C).
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