Internal Combustion Engines The volumetric efficiency of a well designed engine may be 75 to 90% 30 to 40% 40 to 60% 60 to 70% 75 to 90% 30 to 40% 40 to 60% 60 to 70% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of 75% petrol and 25% diesel 75% diesel and 25% petrol 75% normal heptane and 25% iso-octane 75% iso-octane and 25% normal heptane 75% petrol and 25% diesel 75% diesel and 25% petrol 75% normal heptane and 25% iso-octane 75% iso-octane and 25% normal heptane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking tendency in compression ignition engines for a given fuel will be None of these Enhanced by increasing compression ratio Dependent on other factors Enhanced by decreasing compression ratio None of these Enhanced by increasing compression ratio Dependent on other factors Enhanced by decreasing compression ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cetane (Câ‚₆H₃₄) which is a straight chain paraffin, is assigned a cetane number of 100 50 120 100 50 120 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air-fuel ratio in petrol engines is controlled by Carburetion Controlling valve opening/closing Injection Governing Carburetion Controlling valve opening/closing Injection Governing ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of diesel engines on weak mixtures is Lower Unaffected Dependent on other factors Higher Lower Unaffected Dependent on other factors Higher ANSWER DOWNLOAD EXAMIANS APP
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