Internal Combustion Engines In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency. Decrease None of these Increase Not effected Decrease None of these Increase Not effected ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is not an intern’s combustion engine? Diesel engine Steam turbine 4-stroke petrol engine 2-stroke petrol engine Diesel engine Steam turbine 4-stroke petrol engine 2-stroke petrol engine 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 Prevent sparking across the gap between the points Both (A) and (B) Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit None of these Prevent sparking across the gap between the points Both (A) and (B) Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel air ratio in a petrol engine fitted with suction carburettor, operating with dirty air filter as compared to clean filter will be Higher Remain unaffected Lower None of the listed here Higher Remain unaffected Lower None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The expansion of fuel in a four stroke cycle diesel engine May start and end anywhere Starts at top dead center and ends at 30° after top dead center Starts at 15° after top dead center and ends at 30° before bottom dead center Starts at 15° before top dead center and ends at 30° after top dead center May start and end anywhere Starts at top dead center and ends at 30° after top dead center Starts at 15° after top dead center and ends at 30° before bottom dead center Starts at 15° before top dead center and ends at 30° after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The tangential velocity of the water element having a free vortex is Directly proportional to its distance from the centre Inversely proportional to its (distance)2 from the centre Inversely proportional to its distance from the centre Directly proportional to its (distance)2 from the centre Directly proportional to its distance from the centre Inversely proportional to its (distance)2 from the centre Inversely proportional to its distance from the centre Directly proportional to its (distance)2 from the centre ANSWER DOWNLOAD EXAMIANS APP