Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines 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 May open and close anywhere Exhaust valve opens just after bottom dead center and closes just before top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cetane number of diesel oil, generally available, is 40 to 55 20 to 25 25 to 30 30 to 40 40 to 55 20 to 25 25 to 30 30 to 40 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air-fuel ratio in petrol engines is controlled by Governing Injection Controlling valve opening/closing Carburetion Governing Injection Controlling valve opening/closing Carburetion ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to eliminate knocking in compression ignition engines, there should be High self ignition temperature of fuel Low compression ratio Short delay period Late auto-ignition High self ignition temperature of fuel Low compression ratio Short delay period Late auto-ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The accumulation of carbon in a cylinder results in increase of Clearance volume Ignition time Volumetric efficiency Effective compression ratio Clearance volume Ignition time Volumetric efficiency Effective compression ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The inlet valve of a four stroke cycle internal combustion engine remains open for 130° 270° 180° 230° 130° 270° 180° 230° ANSWER DOWNLOAD EXAMIANS APP
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