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/(V₀ + V₁) V₁/(V₀ + V₁) (V₀/V₁)/ [1 + (V₀/V₁)²] [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₀/(V₀ + V₁) V₁/(V₀ + V₁) (V₀/V₁)/ [1 + (V₀/V₁)²] ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure inside the cylinder is _________ the atmospheric pressure during the exhaust stroke. Above None of these Equal to Below Above None of these Equal to Below ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the inlet valve Opens at 20° after top dead center and closes at 20° before bottom dead center May open or close anywhere Opens at 20° before top dead center and closes at 40° after bottom dead center Opens at top dead center and closes at bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center May open or close anywhere Opens at 20° before top dead center and closes at 40° after bottom dead center Opens at top dead center and closes at bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines It the temperature of intake air in IC engines is lowered, then its efficiency will Decrease Increase Remain same Increase up to certain limit and then decrease Decrease Increase Remain same Increase up to certain limit and then decrease ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following fuel has little tendency towards detonation? Benzene Alcohol Iso-octane Normal heptane Benzene Alcohol Iso-octane Normal heptane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the compression Starts at 40° after bottom dead center and ends at 10° before top dead center Starts at top dead center and ends at 40° before bottom dead center May start and end anywhere Starts at 40° before top dead center and ends at 40° after top dead center Starts at 40° after bottom dead center and ends at 10° before top dead center Starts at top dead center and ends at 40° before bottom dead center May start and end anywhere Starts at 40° before top dead center and ends at 40° after top dead center ANSWER DOWNLOAD EXAMIANS APP
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