Internal Combustion Engines In a four stroke cycle diesel engine, the exhaust valve Opens at 30° before bottom dead centre and closes at 10° after top dead centre Opens at 30° after bottom dead centre and closes at 10° before top dead centre May open and close anywhere Opens at bottom dead centre and closes at top dead centre Opens at 30° before bottom dead centre and closes at 10° after top dead centre Opens at 30° after bottom dead centre and closes at 10° before top dead centre May open and close anywhere Opens at bottom dead centre and closes at top dead centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following fuel has little tendency towards detonation? Benzene Normal heptane Alcohol Iso-octane Benzene Normal heptane Alcohol Iso-octane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the percentage increase in efficiency will be 0.02 0.04 0.14 0.08 0.02 0.04 0.14 0.08 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking tendency in compression ignition engines for a given fuel will be Enhanced by increasing compression ratio Dependent on other factors None of these Enhanced by decreasing compression ratio Enhanced by increasing compression ratio Dependent on other factors None of these Enhanced by decreasing compression ratio 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 Same Less May be more or less depending on engine capacity More Same Less May be more or less depending on engine capacity More ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel in diesel engine is normally injected at pressure of 90-130 kg/cm² 20-25 kg/cm² 5-10 kg/cm² 60-80 kg/cm² 90-130 kg/cm² 20-25 kg/cm² 5-10 kg/cm² 60-80 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
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