Internal Combustion Engines The thermal efficiency of diesel engines on weak mixtures is Unaffected Higher Lower Dependent on other factors Unaffected Higher Lower Dependent on other factors ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The theoretically correct air fuel ratio for petrol engine is of the order of 0.25069444444444 0.62569444444444 0.37569444444444 0.50069444444444 0.25069444444444 0.62569444444444 0.37569444444444 0.50069444444444 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The correct mixture strength (by weight) for petrol is about 14.6 : 1 20.4 : 1 18.5 : 1 22.6 : 1 14.6 : 1 20.4 : 1 18.5 : 1 22.6 : 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Iso-octane (C₈H₁₈) has octane number of 50 0 120 100 50 0 120 100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knock in diesel engine occurs due to 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 Reduction of delay period Instantaneous and rapid burning of the first part of the charge ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel valve in a four stroke cycle diesel engine Opens at 15° before top dead center and closes at 20° after top dead center Opens at top dead center and closes at bottom dead center May open and close anywhere Opens at 15° after top dead center and closes at 20° before bottom dead center Opens at 15° before top dead center and closes at 20° after top dead center Opens at top dead center and closes at bottom dead center May open and close anywhere Opens at 15° after top dead center and closes at 20° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
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