Internal Combustion Engines It the temperature of intake air in IC engines is lowered, then its efficiency will Increase up to certain limit and then decrease Decrease Remain same Increase Increase up to certain limit and then decrease Decrease Remain same Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats) None of these 1 - (1/rγ - 1) 1 - rγ - 1 1 + rγ - 1 None of these 1 - (1/rγ - 1) 1 - rγ - 1 1 + rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Iso-octane (C₈H₁₈) has octane number of 0 100 120 50 0 100 120 50 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the indicated thermal efficiency to the air standard efficiency is known as Mechanical efficiency Overall efficiency Relative efficiency Volumetric efficiency Mechanical efficiency Overall efficiency Relative efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air requirement of a petrol engine during starting compared to theoretical air required for complete combustion is More Same May be more or less depending on engine capacity Less More Same May be more or less depending on engine capacity Less ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A mixture containing 65% of iso-octane and 35% of normal heptane will have Octane number 65 Cetane number 35 Octane number 35 Cetane number 65 Octane number 65 Cetane number 35 Octane number 35 Cetane number 65 ANSWER DOWNLOAD EXAMIANS APP