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 The ignition of the charge by some hot surface within the engine before the passage of spark is called Ignition delay Auto-ignition Detonation Pre-ignition Ignition delay Auto-ignition Detonation Pre-ignition 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 Four-times Equal to Twice One-half Four-times Equal to ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to mix air and petrol in the required proportion and to supply it to the engine during suction stroke, then ___ is employed. Carburettor Fuel pump Injector None of the listed here Carburettor Fuel pump Injector None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermodynamic cycle on which the petrol engine works, is Otto cycle Stirling cycle Joule cycle Rankine cycle Otto cycle Stirling cycle Joule cycle Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a petrol engine, the mixture has the lowest pressure at the End of compression stroke End of suction stroke Beginning of suction stroke None of these End of compression stroke End of suction stroke Beginning of suction stroke None of these ANSWER DOWNLOAD EXAMIANS APP
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