Internal Combustion Engines The basic requirement of a good combustion chamber is High thermal efficiency and power output Minimum turbulence Low volumetric efficiency Low compression ratio High thermal efficiency and power output Minimum turbulence Low volumetric efficiency Low compression ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of diesel engines on weak mixtures is Unaffected Dependent on other factors Lower Higher Unaffected Dependent on other factors Lower Higher ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A higher compression ratio causes Increase in detonation Any one of these Acceleration in the rate of combustion Pre-ignition Increase in detonation Any one of these Acceleration in the rate of combustion Pre-ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The operation of forcing additional air under pressure in the engine cylinder is known as Pre-ignition Turbulence Supercharging Scavenging Pre-ignition Turbulence Supercharging Scavenging ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The octane number of petrol, generally available, is 20 to 40 80 to 100 40 to 60 60 to 80 20 to 40 80 to 100 40 to 60 60 to 80 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the charge is ignited at 30° after top dead center 30° before top dead center 30° after bottom dead center 30° before bottom dead center 30° after top dead center 30° before top dead center 30° after bottom dead center 30° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
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