Internal Combustion Engines In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency. Increase Decrease Not effected None of these Increase Decrease Not effected None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Alpha-methyl-naphthalene (C₁₁ H₁₀) has a cetane number of 50 100 120 0 50 100 120 0 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 Yes No Unpredictable To some extent Yes No Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Most high speed compression engines operate on Special type of air cycle Diesel cycle Dual combustion cycle Otto cycle Special type of air cycle Diesel cycle Dual combustion cycle Otto cycle ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.3 0.15 0.5 0.7 0.3 0.15 0.5 0.7 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following statement is correct regarding petrol engines? The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition All of these A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure 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 All of these A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure 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 ANSWER DOWNLOAD EXAMIANS APP