Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.3 0.7 0.5 0.15 0.3 0.7 0.5 0.15 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The higher combustion chamber wall temperature in compression ignition engines will _________ knocking tendency. Not effect Increase None of these Reduce Not effect Increase None of these Reduce ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the exhaust valve May open and close anywhere Opens at 30° after bottom dead centre and closes at 10° before top dead centre Opens at bottom dead centre and closes at top dead centre Opens at 30° before bottom dead centre and closes at 10° after top dead centre May open and close anywhere Opens at 30° after bottom dead centre and closes at 10° before top dead centre Opens at bottom dead centre and closes at top dead centre Opens at 30° before bottom dead centre and closes at 10° after top dead centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the expansion May start and end anywhere Starts at 30° after top dead center and ends at 50° after bottom dead center Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at top dead center and ends at bottom dead center May start and end anywhere Starts at 30° after top dead center and ends at 50° after bottom dead center Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at top dead center and ends at bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The purpose of testing an internal combustion engine is To satisfy the customer regarding the performance of the engine To determine the information, which cannot be obtained by calculations To conform the data used in design, the validity of which may be doubtful All of these To satisfy the customer regarding the performance of the engine To determine the information, which cannot be obtained by calculations To conform the data used in design, the validity of which may be doubtful All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel valve in a four stroke cycle diesel engine Opens at top dead center and closes at bottom dead center May open and close anywhere Opens at 15° before top dead center and closes at 20° after top dead center Opens at 15° after top dead center and closes at 20° before bottom dead center Opens at top dead center and closes at bottom dead center May open and close anywhere Opens at 15° before top dead center and closes at 20° after top dead center Opens at 15° after top dead center and closes at 20° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
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