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 air-fuel ratio in petrol engines is controlled by Governing Carburetion Controlling valve opening/closing Injection Governing Carburetion Controlling valve opening/closing Injection ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The scavenging efficiency of a four stroke cycle diesel engine is Below 50% Between 85 and 95% Between 95 and 100% Between 50 and 85% Below 50% Between 85 and 95% Between 95 and 100% Between 50 and 85% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the compression Starts at 40° before top dead center and ends at 40° after top dead center Starts at 40° after bottom dead center and ends at 10° before top dead center May start and end anywhere Starts at top dead center and ends at 40° before bottom dead center Starts at 40° before top dead center and ends at 40° after top dead center Starts at 40° after bottom dead center and ends at 10° before top dead center May start and end anywhere Starts at top dead center and ends at 40° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is not an intern’s combustion engine? Diesel engine 2-stroke petrol engine Steam turbine 4-stroke petrol engine Diesel engine 2-stroke petrol engine Steam turbine 4-stroke petrol engine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio in I.C. engine increases, then its thermal efficiency will Remain same None of these Decrease Increase Remain same None of these Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
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