Blue smoke indicates: Agricultural Engineering Mcqs June 17, 2019 BILAL KHATTAK0 A.Presence of water in fuel B.Burning of lubricant in cylinder C.Presence of waer in lubricant D.Rich air and fuel mixterRelated Mcqs:White smoke indicates:Black smoke indicates:A smoky blue exhaust is due toA blue smoke from a diesel engine indicates presence ofSuitable lubricant for 2-stroke engines is:Suitable lubricant for 4-stroke engines is:In a Diesel engine the function of a fuel injector isTo augment the thrust of jet propulsion units part of the fuel is burned in the exhaust. How does this fuel burnA diesel engine is to be redesigned to improve the overload capacity. The design feature which will be influenced isWhich one of the following is a wrong staement?