Internal Combustion Engines In a four stroke cycle diesel engine, the exhaust valve Opens at bottom dead centre and closes at top dead centre Opens at 30° after bottom dead centre and closes at 10° before top dead centre Opens at 30° before bottom dead centre and closes at 10° after top dead centre May open and close anywhere Opens at bottom dead centre and closes at top dead centre Opens at 30° after bottom dead centre and closes at 10° before top dead centre Opens at 30° before bottom dead centre and closes at 10° after top dead centre May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following statement is correct regarding normal cetane? Its chemical name is normal hexadecane It has long carbon chain structure It is a standard fuel used for knock rating of diesel engines All of these Its chemical name is normal hexadecane It has long carbon chain structure It is a standard fuel used for knock rating of diesel engines All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A hydraulic ram is a device used to Increase the pressure of water Store the energy of water To lift small quantity of water to a greater height when a large quantity of water is available at a smaller height To lift water from deep wells Increase the pressure of water Store the energy of water To lift small quantity of water to a greater height when a large quantity of water is available at a smaller height To lift water from deep wells ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Gaseous fuel guarantees are based on Calorific value of oil Low heat value of oil High heat value of oil Mean heat value of oil Calorific value of oil Low heat value of oil High heat value of oil Mean heat value of oil ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Supercharging is the process of Providing forced cooling air Supplying compressed air to remove combustion products fully Injecting excess fuel for raising more loads Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere Providing forced cooling air Supplying compressed air to remove combustion products fully Injecting excess fuel for raising more loads Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 - rγ - 1 1 + rγ - 1 None of these 1 - (1/rγ - 1) 1 - rγ - 1 1 + rγ - 1 None of these 1 - (1/rγ - 1) ANSWER DOWNLOAD EXAMIANS APP
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