Which among the following is not an indication of a rich mixture?(a) Loud murder explosion(b) High fuel consumption(c) Surging while idling(d) Stalling of the engineI have been asked this question in semester exam.This intriguing question comes from Petrol Engine Fuel Supply System topic in chapter Petrol Engine Fuel Supply System of Automotive Engine Design

Which among the following is not an indication of a rich mixture?(a) L

1.	Which among the following is not an indication of a rich mixture?(a) Loud murder explosion(b) High fuel consumption(c) Surging while idling(d) Stalling of the engineI have been asked this question in semester exam.This intriguing question comes from Petrol Engine Fuel Supply System topic in chapter Petrol Engine Fuel Supply System of Automotive Engine Design
Answer» Correct choice is (d) STALLING of the engine Easiest explanation: The EXTRA rich mixture can be recognized by Hugh fuel consumption, surging while idling, loud MUFFLER explosion and BLACK smoke from the exhaust. Whereas the stalling of the engine takes place only for an extra WEAK mixture.

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