Question

the theoretically correct mixture of air and petrol​

Answer 1

Answer:

about 14.7:1

The stoichiometric mixture for a gasoline engine is the ideal ratio of air to fuel that burns all fuel with no excess air. For gasoline fuel, the stoichiometric air–fuel mixture is about 14.7:1 i.e. for every one gram of fuel, 14.7 grams of air are required.

Explanation:

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Answer 2

Answer:

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The theoretically correct mixture of air and petrol is 15:1.

In my opinion, 14.7 : 1 is the stoichiometric AF ratio that's why 15 : 1 is the correct answer. If we take 10 : 1 the mixture become too rich and the power obtained is high.