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 None of these 1 - (1/rγ - 1) 1 - rγ - 1 1 + rγ - 1 None of these 1 - (1/rγ - 1) 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ignition quality of diesel oil is expressed by Cetane number Octane number None of the listed here Calorific value Cetane number Octane number None of the listed here Calorific value ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Iso-octane (C₈Hâ‚₈) has octane number of 100 50 120 100 50 120 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the inlet valve Opens at 20° before top dead center and closes at 40° after bottom dead center Opens at top dead center and closes at bottom dead center May open and close anywhere 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 Opens at top dead center and closes at bottom dead center May open and close anywhere Opens at 20° after top dead center and closes at 20° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Air fuel ratio for idling speed of a petrol engine is approximately 0.62569444444444 0.41736111111111 0.20902777777778 0.042361111111111 0.62569444444444 0.41736111111111 0.20902777777778 0.042361111111111 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The effective inhibitor of pre-ignition is None of these Water Alcohol Lead None of these Water Alcohol Lead ANSWER DOWNLOAD EXAMIANS APP