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For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of _____.
For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of _____.
(a) 9 : 1
(b) 12 : 1
(c) 15 : 1
(d) 18 : 1
(e) 20: 1.
Ans: b
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