Internal Combustion Engines The thermal efficiency of a petrol engine is _________ as compared to diesel engine. Less More None of these Same Less More None of these Same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided Cannot work as it is impossible It is properly designed Best quality fuel is used Flywheel size is proper Cannot work as it is impossible It is properly designed Best quality fuel is used Flywheel size is proper ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Pick up the wrong statement about supercharging Supercharging results in fuel economy Supercharging reduces knocking in diesel engines There can be limited supercharging in petrol engines because of detonation Supercharging at high altitudes is essential Supercharging results in fuel economy Supercharging reduces knocking in diesel engines There can be limited supercharging in petrol engines because of detonation Supercharging at high altitudes is essential ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine, during suction stroke, draws Air only Diesel only None of these A mixture of diesel and air Air only Diesel only None of these A mixture of diesel and air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Scavenging air in diesel engine means Air used for combustion sent under pressure Forced air for cooling cylinder Air used for forcing burnt gases out of engine's cylinder during the exhaust period Burnt air containing products of combustion Air used for combustion sent under pressure Forced air for cooling cylinder Air used for forcing burnt gases out of engine's cylinder during the exhaust period Burnt air containing products of combustion ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the exhaust valve Opens at 30° before bottom dead centre and closes at 10° after top dead centre Opens at bottom dead centre and closes at top dead centre Opens at 30° after bottom dead centre and closes at 10° before top dead centre May open and close anywhere Opens at 30° before bottom dead centre and closes at 10° after top dead centre Opens at bottom dead centre and closes at top dead centre Opens at 30° after bottom dead centre and closes at 10° before top dead centre May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
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