Internal Combustion Engines In a four stroke cycle diesel engine, the exhaust valve Opens at 30° after bottom dead centre and closes at 10° before top dead centre May open and close anywhere Opens at 30° before bottom dead centre and closes at 10° after top dead centre Opens at bottom dead centre and closes at top dead centre Opens at 30° after bottom dead centre and closes at 10° before top dead centre May open and close anywhere Opens at 30° before bottom dead centre and closes at 10° after top dead centre Opens at bottom dead centre and closes at top dead centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Alpha-methyl-naphthalene (C₁₁ H₁₀) has a cetane number of 120 100 0 50 120 100 0 50 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knock in diesel engine occurs due to Instantaneous and rapid burning of the first part of the charge Delayed burning of the first part of the charge Instantaneous auto ignition of last part of charge Reduction of delay period Instantaneous and rapid burning of the first part of the charge Delayed burning of the first part of the charge Instantaneous auto ignition of last part of charge Reduction of delay period ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The maximum temperature in the I.C. engine cylinder is of the order of 2000-2500°C 1000-1500°C 500-1000°C 1500-2000°C 2000-2500°C 1000-1500°C 500-1000°C 1500-2000°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Antiknock for compression ignition engines is Tetra ethyl lead Hexadecane Amyl nitrate Napthene Tetra ethyl lead Hexadecane Amyl nitrate Napthene ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The basic requirement of a good combustion chamber is Low compression ratio Minimum turbulence Low volumetric efficiency High thermal efficiency and power output Low compression ratio Minimum turbulence Low volumetric efficiency High thermal efficiency and power output ANSWER DOWNLOAD EXAMIANS APP