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‚)/ [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‚) Vâ‚/(Vâ‚€ + Vâ‚) [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Number of working strokes per min. for a four stroke cycle engine are _________ the speed of the engine in r.p.m. Twice One-half Equal to Four-times Twice One-half Equal to Four-times ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The basic requirement of a good combustion chamber is Low compression ratio Minimum turbulence High thermal efficiency and power output Low volumetric efficiency Low compression ratio Minimum turbulence High thermal efficiency and power output Low volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Scavenging is usually done to increase Speed Fuel consumption Power output Thermal efficiency Speed Fuel consumption Power output Thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The increase of efficiency of a compression ignition engine, as the load decreases, is due to Quantitative governing Higher maximum temperature Qualitative governing Hit and miss governing Quantitative governing Higher maximum temperature Qualitative governing Hit and miss governing ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines For the same power developed in I.C. engines, the cheaper system is Centrifugal pump Naturally aspirated Supercharged Turbo charger Centrifugal pump Naturally aspirated Supercharged Turbo charger ANSWER DOWNLOAD EXAMIANS APP
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