Internal Combustion Engines A diesel engine has compression ratio from 10 to 15 25 to 40 15 to 25 6 to 10 10 to 15 25 to 40 15 to 25 6 to 10 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The minimum cranking speed in case of petrol engine is about One fourth of operating speed 60 - 80 rpm Half the operating speed 250 - 300 rpm One fourth of operating speed 60 - 80 rpm Half the operating speed 250 - 300 rpm 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 75% Up to 100% Up to 35% Up to 50% Up to 75% Up to 100% Up to 35% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knock in diesel engine occurs due to Reduction of delay period Instantaneous and rapid burning of the first part of the charge Delayed burning of the first part of the charge Instantaneous auto ignition of last part of charge Reduction of delay period Instantaneous and rapid burning of the first part of the charge Delayed burning of the first part of the charge Instantaneous auto ignition of last part of charge ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cetane (C₁₆H₃₄) which is a straight chain paraffin, is assigned a cetane number of 100 120 0 50 100 120 0 50 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines As compared to air standard cycle, in actual working, the effect of variation in specific heats is to Decrease maximum pressure and increase maximum temperature Increase maximum pressure and decrease maximum temperature Increase maximum pressure and maximum temperature Reduce maximum pressure and maximum temperature Decrease maximum pressure and increase maximum temperature Increase maximum pressure and decrease maximum temperature Increase maximum pressure and maximum temperature Reduce maximum pressure and maximum temperature ANSWER DOWNLOAD EXAMIANS APP