Internal Combustion Engines In a typical medium speed, 4-stroke cycle diesel engine May start and end anywhere Fuel injection starts at 10° before top dead center and ends at 20° after top dead center Fuel injection starts at just before top dead center and ends just after top dead center Fuel injection starts at top dead center and ends at 20° after top dead center May start and end anywhere Fuel injection starts at 10° before top dead center and ends at 20° after top dead center Fuel injection starts at just before top dead center and ends just after top dead center Fuel injection starts at top dead center and ends at 20° after top dead center 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 - (1/rγ - 1) None of these 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) None of these 1 + rγ - 1 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, advancing of the spark timing will ___ the knocking tendency. Increase Decrease Not effect None of the listed here Increase Decrease Not effect None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the inlet valve Opens at top dead center and closes at 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 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 or 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 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The term scavenging is generally associated with Aeroplane engines High efficiency engines 2-stroke cycle engines 4-stroke cycle engines Aeroplane engines High efficiency engines 2-stroke cycle engines 4-stroke cycle engines ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Combustion in compression ignition engines is Both (A) and (B) Homogeneous Heterogeneous Laminar Both (A) and (B) Homogeneous Heterogeneous Laminar ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS