Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines May open and close anywhere Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at bottom dead center and closes at top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center May open and close anywhere Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at bottom dead center and closes at top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption per B.P. hour for a diesel engine is about 0.2 kg 0.3 kg 0.25 kg 0.35 kg 0.2 kg 0.3 kg 0.25 kg 0.35 kg ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines All heat engines utilize High heat value of oil Net calorific value of oil Low heat value of oil Calorific value of fuel High heat value of oil Net calorific value of oil Low heat value of oil Calorific value of fuel ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel in diesel engine is normally injected at pressure of 60-80 kg/cm² 5-10 kg/cm² 20-25 kg/cm² 90-130 kg/cm² 60-80 kg/cm² 5-10 kg/cm² 20-25 kg/cm² 90-130 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air requirement of a petrol engine during starting compared to theoretical air required for complete combustion is More Less Same May be more or less depending on engine capacity More Less Same May be more or less depending on engine capacity 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 252 cm3 264 cm3 286 cm3 248 cm3 252 cm3 264 cm3 286 cm3 ANSWER DOWNLOAD EXAMIANS APP
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