Internal Combustion Engines The air-fuel ratio in petrol engines is controlled by Injection Governing Carburetion Controlling valve opening/closing Injection Governing Carburetion Controlling valve opening/closing ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the inlet valve May open and close anywhere Opens at top dead center and closes at bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center May open and close anywhere Opens at top dead center and closes at bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The tangential velocity of the water element having a free vortex is Inversely proportional to its distance from the centre Directly proportional to its distance from the centre Inversely proportional to its (distance)2 from the centre Directly proportional to its (distance)2 from the centre Inversely proportional to its distance from the centre Directly proportional to its distance from the centre Inversely proportional to its (distance)2 from the centre Directly proportional to its (distance)2 from the centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of diesel engines on weak mixtures is Lower Higher Unaffected Dependent on other factors Lower Higher Unaffected Dependent on other factors ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to eliminate knocking in compression ignition engines, there should be Late auto-ignition Low compression ratio High self ignition temperature of fuel Short delay period Late auto-ignition Low compression ratio High self ignition temperature of fuel Short delay period ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The theoretically correct air fuel ratio for petrol engine is of the order of 0.50069444444444 0.25069444444444 0.37569444444444 0.62569444444444 0.50069444444444 0.25069444444444 0.37569444444444 0.62569444444444 ANSWER DOWNLOAD EXAMIANS APP
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