Internal Combustion Engines The knock in diesel engine occurs due to Delayed burning of the first part of the charge Reduction of delay period Instantaneous auto ignition of last part of charge Instantaneous and rapid burning of the first part of the charge Delayed burning of the first part of the charge Reduction of delay period 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 normal heptane (C₇H₁₆) is given a rating of ________ octane number. 0 50 100 120 0 50 100 120 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In case of gas turbines, the gaseous fuel consumption guarantees are based on Net calorific value Calorific value High heat value Low heat value Net calorific value Calorific value High heat value Low heat value ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a petrol engine is _________ as compared to diesel engine. Same More Less None of these Same More Less None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the inlet valve Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center May open or close anywhere Opens at top dead center and closes at bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center May open or close anywhere Opens at top dead center and closes at bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuels in order of decreasing knock tendency for spark ignition engines are Paraffin, napthene, aromatic Napthene, paraffin, aromatic Paraffin, aromatic, napthene Napthene, aromatics, paraffin Paraffin, napthene, aromatic Napthene, paraffin, aromatic Paraffin, aromatic, napthene Napthene, aromatics, paraffin ANSWER DOWNLOAD EXAMIANS APP
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