Internal Combustion Engines In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have Low density Long ignition delay All of these Low temperature Low density Long ignition delay All of these Low temperature ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine has compression ratio from 10 to 15 25 to 40 15 to 25 6 to 10 10 to 15 25 to 40 15 to 25 6 to 10 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the intake air temperature of I.C. engine increases, its efficiency will Remain same Increase None of these Decrease Remain same Increase None of these Decrease ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a naturally aspirated diesel engine, the air is supplied by A vacuum chamber An injection tube A centrifugal blower A supercharger A vacuum chamber An injection tube A centrifugal blower A supercharger 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 Flywheel size is proper Cannot work as it is impossible It is properly designed Best quality fuel is used Flywheel size is proper Cannot work as it is impossible It is properly designed Best quality fuel is used 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 (V₀/V₁)/ [1 + (V₀/V₁)²] V₀/(V₀ + V₁) [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₁/(V₀ + V₁) (V₀/V₁)/ [1 + (V₀/V₁)²] V₀/(V₀ + V₁) [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₁/(V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP