Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = I.P/B.P ηm = B.P/I.P ηm = (B.P × I.P)/100 None of these ηm = I.P/B.P ηm = B.P/I.P ηm = (B.P × I.P)/100 None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Compression loss in I.C engines occurs due to Clogged air inlet slots Leaking piston rings All of these Use of thick head gasket Clogged air inlet slots Leaking piston rings All of these Use of thick head gasket ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Alpha-methyl-naphthalene (C11H10) has a cetane number of 50 0 100 120 50 0 100 120 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The delay period in compression ignition engines depends upon Temperature and pressure in the cylinder at the time of injection Nature of the fuel mixture strength All of these Relative velocity between the fuel injection and air turbulence pressure of residual gases Temperature and pressure in the cylinder at the time of injection Nature of the fuel mixture strength All of these Relative velocity between the fuel injection and air turbulence pressure of residual gases ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If V₁ is the jet velocity and V₀ is the vehicle velocity, then propulsive efficiency of a turbojet engine is 2V₀ / (V₀ + V₁) V₁ / (V₀ + V₁) V₀ / (V₀ + V₁) 2V₁ / (V₀ + V₁) 2V₀ / (V₀ + V₁) V₁ / (V₀ + V₁) V₀ / (V₀ + V₁) 2V₁ / (V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the intake air temperature of I.C. engine increases, its efficiency will Decrease None of these Remain same Increase Decrease None of these Remain same Increase ANSWER DOWNLOAD EXAMIANS APP
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