Internal Combustion Engines The advancing of spark timing in spark ignition engines will ___ knocking tendency. Not effect None of the listed here Reduce Increase Not effect None of the listed here Reduce Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The maximum propulsive efficiency of a turbojet engine is at a speed of 2400 km/h 2000 km/h 3000 km/h 1000 km/h 2400 km/h 2000 km/h 3000 km/h 1000 km/h ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Detonation is harmful due to None of these High intensity of knock causes crankshaft vibration and the engine runs rough Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine None of these High intensity of knock causes crankshaft vibration and the engine runs rough Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine 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 High self ignition temperature of fuel Short delay period Low compression ratio Late auto-ignition High self ignition temperature of fuel Short delay period ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cetane (C₁₆H₃₄) which is a straight chain paraffin, is assigned a cetane number of 0 50 100 120 0 50 100 120 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of cetane number 40 has the same ignition quality as a mixture of 40% diesel and 60% petrol 40% alpha methyl naphthalene and 60% cetane 40% cetane and 60% alpha methyl naphthalene 40% petrol and 60% diesel 40% diesel and 60% petrol 40% alpha methyl naphthalene and 60% cetane 40% cetane and 60% alpha methyl naphthalene 40% petrol and 60% diesel ANSWER DOWNLOAD EXAMIANS APP