Internal Combustion Engines The scavenging efficiency of a four stroke cycle diesel engine is Below 50% Between 95 and 100% Between 85 and 95% Between 50 and 85% Below 50% Between 95 and 100% Between 85 and 95% Between 50 and 85% 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 252 cm3 286 cm3 248 cm3 264 cm3 252 cm3 286 cm3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the expansion Starts at top dead center and ends at bottom dead center Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at 30° after top dead center and ends at 50° after bottom dead center May start and end anywhere Starts at top dead center and ends at bottom dead center Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at 30° after top dead center and ends at 50° after bottom dead center May start and end anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the compression Starts at 40° after bottom dead centre and ends at 30° before top dead centre May start and end anywhere Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre Starts at bottom dead centre and ends at top dead centre Starts at 40° after bottom dead centre and ends at 30° before top dead centre May start and end anywhere Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre Starts at bottom dead centre and ends at top dead centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, advancing of the spark timing will ___ the knocking tendency. Decrease None of the listed here Increase Not effect Decrease None of the listed here Increase Not effect ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will Increase May increase or decrease depending on other factors Be independent Decrease Increase May increase or decrease depending on other factors Be independent Decrease ANSWER DOWNLOAD EXAMIANS APP
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