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 In a typical medium speed 4-stroke cycle diesel engine the inlet valve Opens at 10° after top dead center and closes 20° before the bottom dead center Opens at 20° before top dead center and closes at 35° after the bottom dead center Opens at top dead center and closes at bottom dead center May open or close anywhere Opens at 10° after top dead center and closes 20° before the bottom dead center Opens at 20° before top dead center and closes at 35° after the bottom dead center Opens at top dead center and closes at bottom dead center May open or close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, advancing of the spark timing will ___ the knocking tendency. Increase Not effect None of the listed here Decrease Increase Not effect None of the listed here Decrease ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In diesel engine, the compression ratio in comparison to expansion ratio is More Less Variable Same More Less Variable Same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A stoichiometric air-fuel ratio is Lean mixture Rich mixture for idling Chemically correct mixture Rich mixture for over loads Lean mixture Rich mixture for idling Chemically correct mixture Rich mixture for over loads ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The probability of knocking in diesel engines is increased by All of these High self ignition temperature Low volatility Higher viscosity All of these High self ignition temperature Low volatility Higher viscosity ANSWER DOWNLOAD EXAMIANS APP
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