Internal Combustion Engines The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) None of these 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a cycle, the spark lasts roughly for 1 sec 0.1 sec 0.001 sec 0.01 sec 1 sec 0.1 sec 0.001 sec 0.01 sec ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Supercharging is the process of supplying the intake air to the engine cylinder at a density ___ the density of the surrounding atmosphere. Equal to Less than None of the listed here Greater than Equal to Less than None of the listed here Greater than ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Gaseous fuel guarantees are based on High heat value of oil Calorific value of oil Low heat value of oil Mean heat value of oil High heat value of oil Calorific value of oil Low heat value of oil Mean heat value of oil ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency. Not effected None of these Increase Decrease Not effected None of these Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine as compared to petrol engine (both running and rated load) is Less efficient More efficient Equally efficient Other factors will decide it Less efficient More efficient Equally efficient Other factors will decide it ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS