Internal Combustion Engines The fuel valve in a four stroke cycle diesel engine Opens at 15° before top dead center and closes at 20° after top dead center May open and close anywhere Opens at top dead center and closes at bottom dead center Opens at 15° after top dead center and closes at 20° before bottom dead center Opens at 15° before top dead center and closes at 20° after top dead center May open and close anywhere Opens at top dead center and closes at bottom dead center Opens at 15° after top dead center and closes at 20° before bottom dead center 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 [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‚) Vâ‚/(Vâ‚€ + Vâ‚) (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Iso-octane (C₈H₁₈) has octane number of 50 120 0 100 50 120 0 100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following statement is correct regarding normal cetane? All of these It is a standard fuel used for knock rating of diesel engines Its chemical name is normal hexadecane It has long carbon chain structure All of these It is a standard fuel used for knock rating of diesel engines Its chemical name is normal hexadecane It has long carbon chain structure ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The scavenging efficiency of a four stroke cycle diesel engine is Between 85 and 95% Below 50% Between 50 and 85% Between 95 and 100% Between 85 and 95% Below 50% Between 50 and 85% Between 95 and 100% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure and temperature at the end of compression stroke in a petrol engine are of the order of 6-12 kg/cm² and 250-350°C 4-6 kg/cm² and 200-250°C 12-20 kg/cm² and 350-450°C 20-30 kg/cm² and 450-500°C 6-12 kg/cm² and 250-350°C 4-6 kg/cm² and 200-250°C 12-20 kg/cm² and 350-450°C 20-30 kg/cm² and 450-500°C ANSWER DOWNLOAD EXAMIANS APP
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