Internal Combustion Engines The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is Less Same More or less depending on power rating More Less Same More or less depending on power rating More ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines Exhaust valve opens at bottom dead center and closes at top dead center May open and close anywhere Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at bottom dead center and closes at top dead center May open and close anywhere Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens just after bottom dead center and closes just before top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The correct sequence of the decreasing order of brake thermal efficiency of the three given basic types of engines is Four stroke C.I. engine, four stroke S.I. engine, two stroke S.I. engine Two stroke S.I. engine, four stroke S.I. engine, four stroke C.I. engine Four stroke S.I. engine, four stroke C.I. engine, two stroke S.I. engine Four stroke C.I. engine, two stroke S.I. engine, four stroke S.I. engine Four stroke C.I. engine, four stroke S.I. engine, two stroke S.I. engine Two stroke S.I. engine, four stroke S.I. engine, four stroke C.I. engine Four stroke S.I. engine, four stroke C.I. engine, two stroke S.I. engine Four stroke C.I. engine, two stroke S.I. engine, four stroke S.I. engine ANSWER DOWNLOAD EXAMIANS APP
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 and rapid burning of the first part of the charge Instantaneous auto ignition of last part of charge Delayed burning of the first part of the charge Reduction of delay period Instantaneous and rapid burning of the first part of the charge Instantaneous auto ignition of last part of charge ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A mixture containing 65% of iso-octane and 35% of normal heptane will have Octane number 65 Cetane number 65 Cetane number 35 Octane number 35 Octane number 65 Cetane number 65 Cetane number 35 Octane number 35 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine as compared to petrol engine (both running and rated load) is Less efficient More efficient Other factors will decide it Equally efficient Less efficient More efficient Other factors will decide it Equally efficient ANSWER DOWNLOAD EXAMIANS APP
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