Internal Combustion Engines The basic requirement of a good combustion chamber is Minimum turbulence High thermal efficiency and power output Low volumetric efficiency Low compression ratio Minimum turbulence High thermal efficiency and power output Low volumetric efficiency Low compression ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a petrol engine, the mixture has the lowest pressure at the None of these End of suction stroke End of compression stroke Beginning of suction stroke None of these End of suction stroke End of compression stroke Beginning of suction stroke ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The operation of forcing additional air under pressure in the engine cylinder is known as Pre-ignition Turbulence Supercharging Scavenging Pre-ignition Turbulence Supercharging Scavenging ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, the delay period is of the order of 0.001 second 0.003 second 0.004 second 0.002 second 0.001 second 0.003 second 0.004 second 0.002 second ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = I.P/B.P ηm = B.P/I.P None of these ηm = (B.P × I.P)/100 ηm = I.P/B.P ηm = B.P/I.P None of these ηm = (B.P × I.P)/100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The increase of cooling water temperature in petrol engine will _________ the knocking tendency. Decrease Not effect None of these Increase Decrease Not effect None of these Increase ANSWER DOWNLOAD EXAMIANS APP
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