Internal Combustion Engines The basic requirement of a good combustion chamber is Low compression ratio Low volumetric efficiency Minimum turbulence High thermal efficiency and power output Low compression ratio Low volumetric efficiency Minimum turbulence High thermal efficiency and power output ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the exhaust valve Opens at 30° before bottom dead centre and closes at 10° after top dead centre May open and close anywhere Opens at 30° after bottom dead centre and closes at 10° before top dead centre Opens at bottom dead centre and closes at top dead centre Opens at 30° before bottom dead centre and closes at 10° after top dead centre May open and close anywhere Opens at 30° after bottom dead centre and closes at 10° before top dead centre Opens at bottom dead centre and closes at top dead centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Gaseous fuel guarantees are based on Low heat value of oil Mean heat value of oil Calorific value of oil High heat value of oil Low heat value of oil Mean heat value of oil Calorific value of oil High heat value of oil ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Number of working strokes per min. for a two stroke cycle engine is ____ the speed of the engine in r.p.m. One-half Four-times Equal to Twice One-half Four-times Equal to Twice ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines For the same compression ratio Compression ratio has nothing to do with efficiency Diesel cycle is more efficient than Otto Both Otto and Diesel cycles are, equally efficient Otto cycle is more efficient than the Diesel Compression ratio has nothing to do with efficiency Diesel cycle is more efficient than Otto Both Otto and Diesel cycles are, equally efficient Otto cycle is more efficient than the Diesel ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the volume of charge admitted at N.T.P. to the swept volume of the piston is called Overall efficiency Mechanical efficiency Relative efficiency Volumetric efficiency Overall efficiency Mechanical efficiency Relative efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP