Internal Combustion Engines Which of the following statement is correct regarding petrol engines? 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 A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition 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 A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure 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 working cycle in case of four stroke engine is completed in following number of revolutions of crankshaft 4 1 43832 2 4 1 43832 2 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Does the supply of scavenging air at a density greater than that of atmosphere mean engine is supercharged? To some extent Unpredictable Yes No To some extent Unpredictable Yes No ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Iso-octane (C₈H₁₈) has octane number of 50 100 0 120 50 100 0 120 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Pre-ignition is caused by the spontaneous combustion of the mixture before the end of the compression stroke, and is due to Any one of the listed here Cylinder walls being too hot Overheated spark plug points Red hot carbon deposits on cylinder walls Any one of the listed here Cylinder walls being too hot Overheated spark plug points Red hot carbon deposits on cylinder walls ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the percentage increase in efficiency will be 0.08 0.02 0.04 0.14 0.08 0.02 0.04 0.14 ANSWER DOWNLOAD EXAMIANS APP
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