Internal Combustion Engines The knocking tendency in spark ignition engines may be decreased by Controlling the air-fuel mixture Controlling the exhaust temperature Controlling the ignition timing Reducing the compression ratio Controlling the air-fuel mixture Controlling the exhaust temperature Controlling the ignition timing Reducing the compression ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermodynamic cycle on which the petrol engine works, is Rankine cycle Joule cycle Stirling cycle Otto cycle Rankine cycle Joule cycle Stirling cycle Otto cycle ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the brake power to the indicated power is called Indicated thermal efficiency Mechanical efficiency Overall efficiency Volumetric efficiency Indicated thermal efficiency Mechanical efficiency Overall efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine has compression ratio from 10 to 15 6 to 10 15 to 25 25 to 40 10 to 15 6 to 10 15 to 25 25 to 40 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to All of these Ensure that penetration is not high Inject fuel in a chamber of high pressure at the end of compression stroke Inject fuel at a high velocity to facilitate atomization All of these Ensure that penetration is not high Inject fuel in a chamber of high pressure at the end of compression stroke Inject fuel at a high velocity to facilitate atomization ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to eliminate knocking in compression ignition engines, there should be Late auto-ignition Low compression ratio Short delay period High self ignition temperature of fuel Late auto-ignition Low compression ratio Short delay period High self ignition temperature of fuel ANSWER DOWNLOAD EXAMIANS APP