Internal Combustion Engines In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency. Not effected Increase Decrease None of these Not effected Increase Decrease None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is More More or less depending on power rating Less Same More More or less depending on power rating Less Same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called Volumetric efficiency Indicated thermal efficiency Mechanical efficiency Overall efficiency Volumetric efficiency Indicated thermal efficiency Mechanical efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The reason for supercharging in any engine is to Increase efficiency Reduce weight and bulk for a given output Increase power Effect fuel economy Increase efficiency Reduce weight and bulk for a given output Increase power Effect fuel economy ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The reference fuels for knock rating of spark ignition engines would include Iso-octane and alpha-methyl naphthalene Normal octane and aniline Iso-octane and normal hexane Normal heptane and iso-octane Iso-octane and alpha-methyl naphthalene Normal octane and aniline Iso-octane and normal hexane Normal heptane and iso-octane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided It is properly designed Flywheel size is proper Best quality fuel is used Cannot work as it is impossible It is properly designed Flywheel size is proper Best quality fuel is used Cannot work as it is impossible ANSWER DOWNLOAD EXAMIANS APP
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