Internal Combustion Engines In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency. Increase Not effected None of these Decrease Increase Not effected None of these Decrease ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel as compared to petrol is Highly ignitable None of these More difficult to ignite Less difficult to ignite Highly ignitable None of these More difficult to ignite Less difficult to ignite ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in diesel engines may be prevented by All of these Raising the compression ratio Reducing the delay period Increasing the inlet pressure of air All of these Raising the compression ratio Reducing the delay period Increasing the inlet pressure of air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as Centre of gravity Centre of buoyancy Centre of pressure Metacentre Centre of gravity Centre of buoyancy Centre of pressure Metacentre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The volumetric efficiency of a well designed engine may be 60 to 70% 40 to 60% 75 to 90% 30 to 40% 60 to 70% 40 to 60% 75 to 90% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The maximum temperature in the I.C. engine cylinder is of the order of 500-1000°C 2000-2500°C 1500-2000°C 1000-1500°C 500-1000°C 2000-2500°C 1500-2000°C 1000-1500°C ANSWER DOWNLOAD EXAMIANS APP
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