Internal Combustion Engines The pressure and temperature at the end of compression stroke in a petrol engine are of the order of 4-6 kg/cm² and 200-250°C 6-12 kg/cm² and 250-350°C 20-30 kg/cm² and 450-500°C 12-20 kg/cm² and 350-450°C 4-6 kg/cm² and 200-250°C 6-12 kg/cm² and 250-350°C 20-30 kg/cm² and 450-500°C 12-20 kg/cm² and 350-450°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cetane (C₁₆H₃₄) which is a straight chain paraffin, is assigned a cetane number of 50 0 100 120 50 0 100 120 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the compression Starts at 40° after bottom dead centre and ends at 30° before top dead centre May start and end anywhere Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre Starts at bottom dead centre and ends at top dead centre Starts at 40° after bottom dead centre and ends at 30° before top dead centre May start and end anywhere Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre Starts at bottom dead centre and ends at top dead centre 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 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 Inject fuel at a high velocity to facilitate atomization Ensure that penetration is not high ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The probability of knocking in diesel engines is increased by Higher viscosity Low volatility All of these High self ignition temperature Higher viscosity Low volatility All of these High self ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines For the same compression ratio Otto cycle is more efficient than the Diesel Both Otto and Diesel cycles are, equally efficient Compression ratio has nothing to do with efficiency Diesel cycle is more efficient than Otto Otto cycle is more efficient than the Diesel Both Otto and Diesel cycles are, equally efficient Compression ratio has nothing to do with efficiency Diesel cycle is more efficient than Otto ANSWER DOWNLOAD EXAMIANS APP
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