Internal Combustion Engines In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency. Decrease None of these Not effected Increase Decrease None of these Not effected Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines High speed compression engines operate on Otto cycle Diesel cycle All of these Dual combustion cycle Otto cycle Diesel cycle All of these Dual combustion cycle ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Crankcase explosion in I.C. engines usually occurs as Never occurs Both mild and big explosions occurs simultaneously First a mild explosion followed by a bi explosion First a big explosion followed by a mil explosion Never occurs Both mild and big explosions occurs simultaneously First a mild explosion followed by a bi explosion First a big explosion followed by a mil explosion ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air requirement of a petrol engine during starting compared to theoretical air required for complete combustion is Less Same May be more or less depending on engine capacity More Less Same May be more or less depending on engine capacity More ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A gas engine has a swept volume of 300 cm3 and clearance volume of 25 cm3. Its volumetric efficiency is 0.88 and mechanical efficiency is 0.90. The volume of the mixture taken in per stroke is 248 cm3 264 cm3 286 cm3 252 cm3 248 cm3 264 cm3 286 cm3 252 cm3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The minimum cranking speed in case of petrol engine is about 60 - 80 rpm Half the operating speed One fourth of operating speed 250 - 300 rpm 60 - 80 rpm Half the operating speed One fourth of operating speed 250 - 300 rpm ANSWER DOWNLOAD EXAMIANS APP
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