Internal Combustion Engines The minimum cranking speed in case of petrol engine is about 60 - 80 rpm 250 - 300 rpm One fourth of operating speed Half the operating speed 60 - 80 rpm 250 - 300 rpm One fourth of operating speed Half the operating speed ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called Efficiency ratio Net efficiency Overall efficiency Relative efficiency Efficiency ratio Net efficiency Overall efficiency Relative efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The calorific value of gaseous fuels is expressed in terms of kcal/m3 kcal/kg kcal kcal/m² kcal/m3 kcal/kg kcal kcal/m² ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air-fuel ratio of the petrol engine is controlled by Injector Carburettor Governor Fuel pump Injector Carburettor Governor Fuel pump ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The temperature of interior surface of cylinder wall in normal operation is not allowed to exceed 120°C 240°C 180°C 80°C 120°C 240°C 180°C 80°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines As a result of detonation in an I.C. engine, following parameter attains very high value Peak temperature Rate of rise of pressure Peak pressure Rate of rise of temperature Peak temperature Rate of rise of pressure Peak pressure Rate of rise of temperature ANSWER DOWNLOAD EXAMIANS APP
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