Internal Combustion Engines The basic requirement of a good combustion chamber is Low compression ratio Minimum turbulence Low volumetric efficiency High thermal efficiency and power output Low compression ratio Minimum turbulence Low volumetric efficiency High thermal efficiency and power output ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If Vâ‚ is the jet velocity and Vâ‚€ is the vehicle velocity, then the propulsive efficiency of a rocket is given by Vâ‚€/(Vâ‚€ + Vâ‚) (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚/(Vâ‚€ + Vâ‚) Vâ‚€/(Vâ‚€ + Vâ‚) (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚/(Vâ‚€ + Vâ‚) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the temperature of intake air in internal combustion engine increases, then its efficiency will Decrease Remain same None of the listed here Increase Decrease Remain same None of the listed here Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is Same Less More More or less depending on power rating Same Less More More or less depending on power rating ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ignition of the charge by some hot surface within the engine before the passage of spark is called Detonation Pre-ignition Ignition delay Auto-ignition Detonation Pre-ignition Ignition delay Auto-ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will Decrease May increase or decrease depending on other factors Increase Be independent Decrease May increase or decrease depending on other factors Increase Be independent ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS