Internal Combustion Engines A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of 75% diesel and 25% petrol 75% iso-octane and 25% normal heptane 75% normal heptane and 25% iso-octane 75% petrol and 25% diesel 75% diesel and 25% petrol 75% iso-octane and 25% normal heptane 75% normal heptane and 25% iso-octane 75% petrol and 25% diesel ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines By higher octane number of spark ignition fuel, it is meant that the fuel has Higher flash point Higher heating value Longer ignition delay Lower volatility Higher flash point Higher heating value Longer ignition delay Lower volatility ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The effective inhibitor of pre-ignition is None of these Alcohol Water Lead None of these Alcohol Water Lead ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines For the same compression ratio Both Otto and Diesel cycles are, equally efficient Compression ratio has nothing to do with efficiency Otto cycle is more efficient than the Diesel Diesel cycle is more efficient than Otto Both Otto and Diesel cycles are, equally efficient Compression ratio has nothing to do with efficiency Otto cycle is more efficient than the Diesel Diesel cycle is more efficient than Otto ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the brake power to the indicated power is called Indicated thermal efficiency Overall efficiency Volumetric efficiency Mechanical efficiency Indicated thermal efficiency Overall efficiency Volumetric efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the expansion Starts at 30° after top dead center and ends at 50° after bottom dead center Starts at top dead center and ends at bottom dead center May start and end anywhere Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at 30° after top dead center and ends at 50° after bottom dead center Starts at top dead center and ends at bottom dead center May start and end anywhere Starts at 30° before top dead center and ends at 50° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP