Internal Combustion Engines In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency. None of these Decrease Increase Not effected None of these Decrease Increase Not effected ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called Relative efficiency Efficiency ratio Net efficiency Overall efficiency Relative efficiency Efficiency ratio Net efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines All heat engines utilize Calorific value of fuel Low heat value of oil High heat value of oil Net calorific value of oil Calorific value of fuel Low heat value of oil High heat value of oil Net calorific value of oil ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a coil ignition system of petrol engines, a condenser is connected across the contact breaker in order to Both (A) and (B) Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit Prevent sparking across the gap between the points None of these Both (A) and (B) Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit Prevent sparking across the gap between the points None of these 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 pressure Centre of buoyancy Centre of gravity Metacentre Centre of pressure Centre of buoyancy Centre of gravity Metacentre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines As compared to air standard cycle, in actual working, the effect of variation in specific heats is to Increase maximum pressure and maximum temperature Decrease maximum pressure and increase maximum temperature Reduce maximum pressure and maximum temperature Increase maximum pressure and decrease maximum temperature Increase maximum pressure and maximum temperature Decrease maximum pressure and increase maximum temperature Reduce maximum pressure and maximum temperature Increase maximum pressure and decrease maximum temperature ANSWER DOWNLOAD EXAMIANS APP
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