Internal Combustion Engines As compared to air standard cycle, in actual working, the effect of variation in specific heats is to Increase maximum pressure and decrease maximum temperature Increase maximum pressure and maximum temperature Decrease maximum pressure and increase maximum temperature Reduce maximum pressure and maximum temperature Increase maximum pressure and decrease maximum temperature Increase maximum pressure and maximum temperature Decrease maximum pressure and increase maximum temperature Reduce maximum pressure and maximum temperature ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to eliminate knocking in compression ignition engines, there should be Low compression ratio Late auto-ignition Short delay period High self ignition temperature of fuel Low compression ratio Late auto-ignition Short delay period High self ignition temperature of fuel ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression, in diesel engines, is approximately 20 bar 35 bar 25 bar 10 bar 20 bar 35 bar 25 bar 10 bar 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 The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to Inject fuel at a high velocity to facilitate atomization Ensure that penetration is not high Inject fuel in a chamber of high pressure at the end of compression stroke All of these Inject fuel at a high velocity to facilitate atomization Ensure that penetration is not high Inject fuel in a chamber of high pressure at the end of compression stroke All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the expansion May start and end anywhere Starts at top dead center and ends at bottom dead center Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at 30° after top dead center and ends at 50° after bottom dead center May start and end anywhere Starts at top dead center and ends at bottom dead center Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at 30° after top dead center and ends at 50° after bottom dead center ANSWER DOWNLOAD EXAMIANS APP
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