Questions › Category: Mechanical Engineering › If the air-fuel mixture in a spark ignition engine is too rich, then air-fuel ratio is about 0 Vote Up Vote Down VideRime Staff asked 5 years ago If the air-fuel mixture in a spark ignition engine is too rich, then air-fuel ratio is abouta) 17:1b) 15:1c) 13:1d) 10:1Automobile Engineering Practice Set-7Share this Now with Friends: Share on WhatsApp (Opens in new window) WhatsApp Share on Telegram (Opens in new window) Telegram MoreRelated