Internal Combustion Engines A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of 75% diesel and 25% petrol 75% petrol and 25% diesel 75% iso-octane and 25% normal heptane 75% normal heptane and 25% iso-octane 75% diesel and 25% petrol 75% petrol and 25% diesel 75% iso-octane and 25% normal heptane 75% normal heptane and 25% iso-octane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio in I.C. engine increases, then its thermal efficiency will Remain same None of these Decrease Increase Remain same None of these Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the Scavenging occurs Engine starts overheating Piston rings would stick into piston grooves Exhaust will be smoky Scavenging occurs Engine starts overheating Piston rings would stick into piston grooves Exhaust will be smoky ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The expansion of fuel in a four stroke cycle diesel engine Starts at top dead center and ends at 30° after top dead center Starts at 15° after top dead center and ends at 30° before bottom dead center Starts at 15° before top dead center and ends at 30° after top dead center May start and end anywhere Starts at top dead center and ends at 30° after top dead center Starts at 15° after top dead center and ends at 30° before bottom dead center Starts at 15° before top dead center and ends at 30° after top dead center May start and end anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuels in order of decreasing knock tendency for spark ignition engines are Napthene, aromatics, paraffin Paraffin, napthene, aromatic Paraffin, aromatic, napthene Napthene, paraffin, aromatic Napthene, aromatics, paraffin Paraffin, napthene, aromatic Paraffin, aromatic, napthene Napthene, paraffin, aromatic ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Air fuel ratio for idling speed of a petrol engine is approximately 0.20902777777778 0.042361111111111 0.41736111111111 0.62569444444444 0.20902777777778 0.042361111111111 0.41736111111111 0.62569444444444 ANSWER DOWNLOAD EXAMIANS APP
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