Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engine the inlet valve Opens at top dead center and closes at bottom dead center Opens at 20° before top dead center and closes at 35° after the bottom dead center Opens at 10° after top dead center and closes 20° before the bottom dead center May open or close anywhere Opens at top dead center and closes at bottom dead center Opens at 20° before top dead center and closes at 35° after the bottom dead center Opens at 10° after top dead center and closes 20° before the bottom dead center May open or close anywhere 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, two stroke S.I. engine, four stroke S.I. engine Four stroke S.I. engine, four stroke C.I. engine, two stroke S.I. engine Two stroke S.I. engine, four stroke S.I. engine, four stroke C.I. engine Four stroke C.I. engine, four stroke S.I. engine, two stroke S.I. engine Four stroke C.I. engine, two stroke S.I. engine, four stroke S.I. engine Four stroke S.I. engine, four stroke C.I. engine, two stroke S.I. engine Two stroke S.I. engine, four stroke S.I. engine, four stroke C.I. engine Four stroke C.I. engine, four stroke S.I. engine, two stroke S.I. engine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in diesel engines may be prevented by All of these Increasing the inlet pressure of air Raising the compression ratio Reducing the delay period All of these Increasing the inlet pressure of air Raising the compression ratio Reducing the delay period ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel air ratio in a petrol engine fitted with suction carburettor, operating with dirty air filter as compared to clean filter will be None of the listed here Remain unaffected Lower Higher None of the listed here Remain unaffected Lower Higher ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The calorific value of gaseous fuels is expressed in terms of kcal/m² kcal/kg kcal kcal/m3 kcal/m² kcal/kg kcal kcal/m3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The _________ engines can work on very lean mixture of fuel. Compression ignition Both (A) and (B) None of these Spark ignition Compression ignition Both (A) and (B) None of these Spark ignition ANSWER DOWNLOAD EXAMIANS APP
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