Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.3 0.15 0.5 0.7 0.3 0.15 0.5 0.7 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In diesel engine, the compression ratio in comparison to expansion ratio is Variable Less Same More Variable Less Same More ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The expansion of fuel in a four stroke cycle diesel engine Starts at 15° after top dead center and ends at 30° before bottom dead center Starts at 15° before top dead center and ends at 30° after top dead center Starts at top dead center and ends at 30° after top dead center May start and end anywhere Starts at 15° after top dead center and ends at 30° before bottom dead center Starts at 15° before top dead center and ends at 30° after top dead center Starts at top dead center and ends at 30° after top dead center May start and end anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The scavenging efficiency of a four stroke cycle diesel engine is Below 50% Between 85 and 95% Between 95 and 100% Between 50 and 85% Below 50% Between 85 and 95% Between 95 and 100% Between 50 and 85% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel in diesel engine is normally injected at pressure of 90-130 kg/cm² 60-80 kg/cm² 5-10 kg/cm² 20-25 kg/cm² 90-130 kg/cm² 60-80 kg/cm² 5-10 kg/cm² 20-25 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A mixture containing 65% of iso-octane and 35% of normal heptane will have Cetane number 65 Octane number 35 Cetane number 35 Octane number 65 Cetane number 65 Octane number 35 Cetane number 35 Octane number 65 ANSWER DOWNLOAD EXAMIANS APP