Internal Combustion Engines In a four stroke cycle diesel engine, the compression Starts at 40° before top dead center and ends at 40° after top dead center May start and end anywhere Starts at 40° after bottom dead center and ends at 10° before top dead center Starts at top dead center and ends at 40° before bottom dead center Starts at 40° before top dead center and ends at 40° after top dead center May start and end anywhere Starts at 40° after bottom dead center and ends at 10° before top dead center Starts at top dead center and ends at 40° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cetane number of diesel oil, generally available, is 30 to 40 25 to 30 20 to 25 40 to 55 30 to 40 25 to 30 20 to 25 40 to 55 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In compression ignition engines, swirl denotes a Haphazard motion of the gases in the chamber Rotary motion of the gases in the chamber Radial motion of the gases in the chamber None of the listed here Haphazard motion of the gases in the chamber Rotary motion of the gases in the chamber Radial motion of the gases in the chamber None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In loop scavenging, the top of the piston is Depressed Contoured Slanted Flat Depressed Contoured Slanted Flat ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Supercharging is the process of Supplying compressed air to remove combustion products fully Providing forced cooling air 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 Supplying compressed air to remove combustion products fully Providing forced cooling air 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 - (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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