Internal Combustion Engines The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called Relative efficiency Overall efficiency Net efficiency Efficiency ratio Relative efficiency Overall efficiency Net efficiency Efficiency ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The actual volume of fresh charge admitted in 4-stroke petrol engine is Equal to stroke volume Less than stroke volume Equal to stroke volume and clearance volume More than stroke volume Equal to stroke volume Less than stroke volume Equal to stroke volume and clearance volume More than stroke volume ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The calorific value of gaseous fuels is expressed in terms of kcal/m² kcal kcal/m3 kcal/kg kcal/m² kcal kcal/m3 kcal/kg ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a coil ignition system of petrol engines, a condenser is connected across the contact breaker in order to Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit None of these Both (A) and (B) Prevent sparking across the gap between the points Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit None of these Both (A) and (B) Prevent sparking across the gap between the points ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The injection pressure in a diesel engine is about 10 bar 150 bar 100 bar 500 bar 10 bar 150 bar 100 bar 500 bar 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 286 cm3 252 cm3 264 cm3 248 cm3 286 cm3 252 cm3 264 cm3 ANSWER DOWNLOAD EXAMIANS APP