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 0.50069444444444 0.37569444444444 0.75069444444444 0.62569444444444 0.50069444444444 0.37569444444444 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ignition quality of diesel oil is expressed by Calorific value Cetane number None of the listed here Octane number Calorific value Cetane number None of the listed here Octane number 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‚) [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚/(Vâ‚€ + Vâ‚) Vâ‚€/(Vâ‚€ + Vâ‚) [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚/(Vâ‚€ + Vâ‚) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The spark ignition engines are governed by Qualitative governing Quantitative governing Hit and miss governing Combination of (B) and (C) Qualitative governing Quantitative governing Hit and miss governing Combination of (B) and (C) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The output of a diesel engine can be increased without increasing the engine revolution or size in following way Heating incoming air Scavenging Supercharging Feeding more fuel Heating incoming air Scavenging Supercharging Feeding more fuel ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed, 4-stroke cycle diesel engine Fuel injection starts at 10° before top dead center and ends at 20° after top dead center May start and end anywhere Fuel injection starts at just before top dead center and ends just after top dead center Fuel injection starts at top dead center and ends at 20° after top dead center Fuel injection starts at 10° before top dead center and ends at 20° after top dead center May start and end anywhere Fuel injection starts at just before top dead center and ends just after top dead center Fuel injection starts at top dead center and ends at 20° after top dead center ANSWER DOWNLOAD EXAMIANS APP
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