Internal Combustion Engines In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have Low temperature Low density All of these Long ignition delay Low temperature Low density All of these Long ignition delay ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ignition of the charge by some hot surface within the engine before the passage of spark is called Ignition delay Pre-ignition Detonation Auto-ignition Ignition delay Pre-ignition Detonation Auto-ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = B.P/I.P ηm = I.P/B.P None of these ηm = (B.P × I.P)/100 ηm = B.P/I.P ηm = I.P/B.P None of these ηm = (B.P × I.P)/100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Iso-octane (C₈H₁₈) has octane number of 120 0 100 50 120 0 100 50 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to eliminate knocking in compression ignition engines, there should be Short delay period Late auto-ignition High self ignition temperature of fuel Low compression ratio Short delay period Late auto-ignition High self ignition temperature of fuel Low compression ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is Same Less More or less depending on power rating More Same Less More or less depending on power rating More ANSWER DOWNLOAD EXAMIANS APP