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 May open or close anywhere 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 Opens at 20° after top dead center and closes at 20° before bottom dead center May open or close anywhere 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 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The sensing element in the control system of nuclear reactors measures the _________ of the neutron flux in the reactor. Temperature Density Volume None of these Temperature Density Volume None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided It is properly designed Flywheel size is proper Best quality fuel is used Cannot work as it is impossible It is properly designed Flywheel size is proper Best quality fuel is used Cannot work as it is impossible ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression, in petrol engines, is approximately 10 bar 35 bar 20 bar 25 bar 10 bar 35 bar 20 bar 25 bar ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel as compared to petrol is Less difficult to ignite None of these Highly ignitable More difficult to ignite Less difficult to ignite None of these Highly ignitable More difficult to ignite 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 - (1/rγ - 1) None of these 1 - rγ - 1 1 + rγ - 1 1 - (1/rγ - 1) None of these 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
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