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) None of these 1 - rγ - 1 1 + rγ - 1 1 - (1/rγ - 1) None of these 1 - rγ - 1 1 + rγ - 1 1 - (1/rγ - 1) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The turbine of the turboprop engine is ___ that of the turbojet engine. None of the listed here Smaller than Same as Bigger than None of the listed here Smaller than Same as Bigger than ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The increase of efficiency of a compression ignition engine, as the load decreases, is due to Higher maximum temperature Qualitative governing Quantitative governing Hit and miss governing Higher maximum temperature Qualitative governing Quantitative governing Hit and miss governing ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines By higher octane number of spark ignition fuel, it is meant that the fuel has Higher flash point Lower volatility Higher heating value Longer ignition delay Higher flash point Lower volatility Higher heating value Longer ignition delay ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The temperature of interior surface of cylinder wall in normal operation is not allowed to exceed 240°C 120°C 180°C 80°C 240°C 120°C 180°C 80°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the inlet valve Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at top dead center and closes at bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center May open or close anywhere Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at top dead center and closes at bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center May open or close anywhere ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS