Internal Combustion Engines In a four stroke cycle petrol engine, the expansion May start and end anywhere Starts at 30° after top dead center and ends at 50° after bottom dead center Starts at top dead center and ends at bottom dead center Starts at 30° before top dead center and ends at 50° before bottom dead center May start and end anywhere Starts at 30° after top dead center and ends at 50° after bottom dead center Starts at top dead center and ends at bottom dead center Starts at 30° before top dead center and ends at 50° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of 0.75069444444444 0.62569444444444 0.37569444444444 0.50069444444444 0.75069444444444 0.62569444444444 0.37569444444444 0.50069444444444 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The combustion in compression ignition engines is Heterogeneous None of these Both (A) and (B) Homogeneous Heterogeneous None of these Both (A) and (B) Homogeneous ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided Best quality fuel is used It is properly designed Flywheel size is proper Cannot work as it is impossible Best quality fuel is used It is properly designed Flywheel size is proper Cannot work as it is impossible ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The scavenging efficiency of a four stroke cycle diesel engine is Below 50% Between 95 and 100% Between 50 and 85% Between 85 and 95% Below 50% Between 95 and 100% Between 50 and 85% Between 85 and 95% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If V₁ is the jet velocity and V₀ is the vehicle velocity, then the propulsive efficiency of a rocket is given by [2(V₀/V₁)]/ [1 + (V₀/V₁)²] (V₀/V₁)/ [1 + (V₀/V₁)²] V₀/(V₀ + V₁) V₁/(V₀ + V₁) [2(V₀/V₁)]/ [1 + (V₀/V₁)²] (V₀/V₁)/ [1 + (V₀/V₁)²] V₀/(V₀ + V₁) V₁/(V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP
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