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 264 cm3 248 cm3 286 cm3 252 cm3 264 cm3 248 cm3 286 cm3 252 cm3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The volumetric efficiency of a well designed engine may be 60 to 70% 40 to 60% 30 to 40% 75 to 90% 60 to 70% 40 to 60% 30 to 40% 75 to 90% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Fuel consumption of diesel engines is not guaranteed at one quarter load because at such low loads The engine is rarely operated The friction is unpredictable The friction is high The small difference in cooling water temperature or in internal friction has a disproportionate effect The engine is rarely operated The friction is unpredictable The friction is high The small difference in cooling water temperature or in internal friction has a disproportionate effect ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In loop scavenging, the top of the piston is Contoured Depressed Slanted Flat Contoured Depressed Slanted Flat ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the charge is ignited at 30° after bottom dead center 30° after top dead center 30° before bottom dead center 30° before top dead center 30° after bottom dead center 30° after top dead center 30° before bottom dead center 30° before top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which one of the following event would reduce volumetric efficiency of a vertical compression ignition engine? Inlet valve opening before top dead center Inlet valve closing after bottom dead center Inlet valve closing before bottom dead center Exhaust valve closing after top dead center Inlet valve opening before top dead center Inlet valve closing after bottom dead center Inlet valve closing before bottom dead center Exhaust valve closing after top dead center ANSWER DOWNLOAD EXAMIANS APP
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