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For high power condition in automotive engines, the air-fuel mixture must be ___________

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For high power condition in automotive engines, the air-fuel mixture must be ___________

(a) lean

(b) rich

(c) chemically balanced

(d) none of the mentioned

I have been asked this question in an online quiz.

I would like to ask this question from Automotive Engines topic in portion Carburetion of IC Engine

1 Answer

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Best answer
Correct option is (b) rich

For explanation: For high power condition in automotive engines, the air-fuel mixture must be a rich mixture while for cruising condition in automotive engines, the air-fuel mixture must be a lean mixture and for idling condition in automotive engines, the air-fuel mixture must be a rich mixture.

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