Internal Combustion Engines The output of a diesel engine can be increased without increasing the engine revolution or size in following way Feeding more fuel Supercharging Scavenging Heating incoming air Feeding more fuel Supercharging Scavenging Heating incoming air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Installation of supercharger on a four cycle diesel engine can result in the following percentage increase in power Up to 50% Up to 35% Up to 100% Up to 75% Up to 50% Up to 35% Up to 100% Up to 75% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The basic requirement of a good combustion chamber is Low compression ratio 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 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The delay period in compression ignition engines depends upon Nature of the fuel mixture strength All of these Temperature and pressure in the cylinder at the time of injection Relative velocity between the fuel injection and air turbulence pressure of residual gases Nature of the fuel mixture strength All of these Temperature and pressure in the cylinder at the time of injection Relative velocity between the fuel injection and air turbulence pressure of residual gases ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The octane number of petrol, generally available, is 80 to 100 40 to 60 20 to 40 60 to 80 80 to 100 40 to 60 20 to 40 60 to 80 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The actual volume of fresh charge admitted in 4-stroke petrol engine is Less than stroke volume Equal to stroke volume More than stroke volume Equal to stroke volume and clearance volume Less than stroke volume Equal to stroke volume More than stroke volume Equal to stroke volume and clearance volume ANSWER DOWNLOAD EXAMIANS APP
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