Internal Combustion Engines The purpose of testing an internal combustion engine is To determine the information, which cannot be obtained by calculations To satisfy the customer regarding the performance of the engine All of these To conform the data used in design, the validity of which may be doubtful To determine the information, which cannot be obtained by calculations To satisfy the customer regarding the performance of the engine All of these To conform the data used in design, the validity of which may be doubtful ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the inlet valve Opens at 20° after top dead center and closes at 20° before bottom dead center May open and close anywhere Opens at top dead center and closes at bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center May open and close anywhere Opens at top dead center and closes at bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The theoretically correct mixture of air and petrol is 20 : 1 25 : 1 10 : 1 15 : 1 20 : 1 25 : 1 10 : 1 15 : 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the brake power to the indicated power is called Mechanical efficiency Overall efficiency Volumetric efficiency Indicated thermal efficiency Mechanical efficiency Overall efficiency Volumetric efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines High speed compression engines operate on Dual combustion cycle All of these Diesel cycle Otto cycle Dual combustion cycle All of these Diesel cycle Otto cycle ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The working pressure and temperature inside the cylinder of an internal combustion engine is _________ as compared to a steam engine. Low High Very low Very high Low High Very low Very high ANSWER DOWNLOAD EXAMIANS APP
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