Internal Combustion Engines The knock in diesel engine occurs due to Reduction of delay period Delayed burning of the first part of the charge Instantaneous auto ignition of last part of charge Instantaneous and rapid burning of the first part of the charge Reduction of delay period Delayed burning of the first part of the charge Instantaneous auto ignition of last part of charge Instantaneous and rapid burning of the first part of the charge ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cetane (Câ‚₆H₃₄) which is a straight chain paraffin, is assigned a cetane number of 120 100 50 120 100 50 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a petrol engine, if diesel is used, then the engine will Explode Not run Run more efficiently Run at high speed Explode Not run Run more efficiently Run at high speed ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in diesel engines may be prevented by All of these Raising the compression ratio Increasing the inlet pressure of air Reducing the delay period All of these Raising the compression ratio Increasing the inlet pressure of air Reducing the delay period ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A gas engine has a swept volume of 300 cm3 and clearance volume of 25 cm3. Its volumetric efficiency is 0.88 and mechanical efficiency is 0.90. The volume of the mixture taken in per stroke is 248 cm3 286 cm3 252 cm3 264 cm3 248 cm3 286 cm3 252 cm3 264 cm3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The maximum propulsive efficiency of a turbojet engine is at a speed of 2000 km/h 3000 km/h 2400 km/h 1000 km/h 2000 km/h 3000 km/h 2400 km/h 1000 km/h ANSWER DOWNLOAD EXAMIANS APP