Internal Combustion Engines Which of the following is false statement?Excess quantities of sulphur in diesel fuel are Objectionable because it may cause the following Formation of hard coating on piston skirts Piston ring and cylinder wear Detonation Oil sludge in the engine crank case Formation of hard coating on piston skirts Piston ring and cylinder wear Detonation Oil sludge in the engine crank case ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The actual volume of fresh charge admitted in 4-stroke petrol engine is More than stroke volume Equal to stroke volume Equal to stroke volume and clearance volume Less than stroke volume More than stroke volume Equal to stroke volume Equal to stroke volume and clearance volume Less than stroke volume ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cetane number of diesel oil, generally available, is 25 to 30 20 to 25 30 to 40 40 to 55 25 to 30 20 to 25 30 to 40 40 to 55 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In an internal combustion engine, the process of removing the burnt gases from the combustion chamber of the engine cylinder is known as Supercharging Detonation Scavenging Polymerisation Supercharging Detonation Scavenging Polymerisation ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called Overall efficiency Indicated thermal efficiency Volumetric efficiency Mechanical efficiency Overall efficiency Indicated thermal efficiency Volumetric efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.7 0.5 0.15 0.3 0.7 0.5 0.15 0.3 ANSWER DOWNLOAD EXAMIANS APP