Internal Combustion Engines The thermal efficiency of a petrol engine is _________ as compared to diesel engine. None of these More Same Less None of these More Same Less ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following statement is correct regarding petrol engines? A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure All of these The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure All of these The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The output of a diesel engine can be increased without increasing the engine revolution or size in following way Scavenging Feeding more fuel Supercharging Heating incoming air Scavenging Feeding more fuel Supercharging Heating incoming air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio in I.C. engine increases, then its thermal efficiency will None of these Decrease Remain same Increase None of these Decrease Remain same Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The scavenging efficiency of a four stroke cycle diesel engine is Below 50% Between 50 and 85% Between 85 and 95% Between 95 and 100% Below 50% Between 50 and 85% Between 85 and 95% Between 95 and 100% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is More or less depending on power rating Same Less More More or less depending on power rating Same Less More ANSWER DOWNLOAD EXAMIANS APP