Internal Combustion Engines Scavenging air in diesel engine means Burnt air containing products of combustion Forced air for cooling cylinder Air used for forcing burnt gases out of engine's cylinder during the exhaust period Air used for combustion sent under pressure Burnt air containing products of combustion Forced air for cooling cylinder Air used for forcing burnt gases out of engine's cylinder during the exhaust period Air used for combustion sent under pressure ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio in I.C. engine increases, then its thermal efficiency will Remain same Increase Decrease None of these Remain same Increase Decrease None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The theoretically correct mixture of air and petrol is 15 : 1 25 : 1 10 : 1 20 : 1 15 : 1 25 : 1 10 : 1 20 : 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuels in order of decreasing knock tendency for spark ignition engines are Paraffin, napthene, aromatic Napthene, paraffin, aromatic Napthene, aromatics, paraffin Paraffin, aromatic, napthene Paraffin, napthene, aromatic Napthene, paraffin, aromatic Napthene, aromatics, paraffin Paraffin, aromatic, napthene ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The exhaust valve in a four stroke cycle petrol engine Opens at bottom dead center and closes at top dead center May open and close anywhere Opens at 50° before bottom dead center and closes at 15° after top dead center Opens at 50° after bottom dead center and closes at 15° before top dead center Opens at bottom dead center and closes at top dead center May open and close anywhere Opens at 50° before bottom dead center and closes at 15° after top dead center Opens at 50° after bottom dead center and closes at 15° before top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The reflectivity depends upon Geometry of the reflector Properties of the reflector Energy of neutrons All of these Geometry of the reflector Properties of the reflector Energy of neutrons All of these ANSWER DOWNLOAD EXAMIANS APP