Internal Combustion Engines The combustion in compression ignition engines is Both (A) and (B) None of these Heterogeneous Homogeneous Both (A) and (B) None of these Heterogeneous Homogeneous ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an I.C. engine depends on None of these Compression ratio Speed of engine Fuel used None of these Compression ratio Speed of engine Fuel used 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 Ensure that penetration is not high Inject fuel at a high velocity to facilitate atomization Inject fuel in a chamber of high pressure at the end of compression stroke All of these Ensure that penetration is not high Inject fuel at a high velocity to facilitate atomization Inject fuel in a chamber of high pressure at the end of compression stroke All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure and temperature at the end of compression stroke in a petrol engine are of the order of 12-20 kg/cm² and 350-450°C 6-12 kg/cm² and 250-350°C 20-30 kg/cm² and 450-500°C 4-6 kg/cm² and 200-250°C 12-20 kg/cm² and 350-450°C 6-12 kg/cm² and 250-350°C 20-30 kg/cm² and 450-500°C 4-6 kg/cm² and 200-250°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The normal heptane (C₇H₁₆) is given a rating of ________ octane number. 120 100 0 50 120 100 0 50 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called Overall efficiency Volumetric efficiency Indicated thermal efficiency Mechanical efficiency Overall efficiency Volumetric efficiency Indicated thermal efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
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