Internal Combustion Engines The volumetric efficiency of a well designed engine may be 60 to 70% 30 to 40% 75 to 90% 40 to 60% 60 to 70% 30 to 40% 75 to 90% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the percentage increase in efficiency will be 0.04 0.02 0.08 0.14 0.04 0.02 0.08 0.14 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in diesel engines may be prevented by Increasing the inlet pressure of air Reducing the delay period All of these Raising the compression ratio Increasing the inlet pressure of air Reducing the delay period All of these Raising the compression ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine as compared to petrol engine (both running and rated load) is Less efficient Other factors will decide it Equally efficient More efficient Less efficient Other factors will decide it Equally efficient More efficient ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.7 0.3 0.5 0.15 0.7 0.3 0.5 0.15 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines All heat engines utilize Net calorific value of oil Calorific value of fuel High heat value of oil Low heat value of oil Net calorific value of oil Calorific value of fuel High heat value of oil Low heat value of oil ANSWER DOWNLOAD EXAMIANS APP