Internal Combustion Engines The tangential velocity of the water element having a free vortex is Directly proportional to its (distance)2 from the centre Inversely proportional to its (distance)2 from the centre Inversely proportional to its distance from the centre Directly proportional to its distance from the centre Directly proportional to its (distance)2 from the centre Inversely proportional to its (distance)2 from the centre Inversely proportional to its distance from the centre Directly proportional to its distance from the centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If Vâ‚ is the jet velocity and Vâ‚€ is the vehicle velocity, then propulsive efficiency of a turbojet engine is Vâ‚€ / (Vâ‚€ + Vâ‚) Vâ‚ / (Vâ‚€ + Vâ‚) 2Vâ‚€ / (Vâ‚€ + Vâ‚) 2Vâ‚ / (Vâ‚€ + Vâ‚) Vâ‚€ / (Vâ‚€ + Vâ‚) Vâ‚ / (Vâ‚€ + Vâ‚) 2Vâ‚€ / (Vâ‚€ + Vâ‚) 2Vâ‚ / (Vâ‚€ + Vâ‚) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel valve in a four stroke cycle diesel engine 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 Opens at 15° before top dead center and closes at 20° after top dead center May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A mixture containing 65% of iso-octane and 35% of normal heptane will have Octane number 65 Cetane number 65 Octane number 35 Cetane number 35 Octane number 65 Cetane number 65 Octane number 35 Cetane number 35 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is not an intern’s combustion engine? 2-stroke petrol engine Steam turbine Diesel engine 4-stroke petrol engine 2-stroke petrol engine Steam turbine Diesel engine 4-stroke petrol engine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The exhaust valve in a four stroke cycle petrol engine May open and close anywhere Opens at bottom dead center and closes at top dead center Opens at 50° after bottom dead center and closes at 15° before top dead center Opens at 50° before bottom dead center and closes at 15° after top dead center May open and close anywhere Opens at bottom dead center and closes at top dead center Opens at 50° after bottom dead center and closes at 15° before top dead center Opens at 50° before bottom dead center and closes at 15° after top dead center ANSWER DOWNLOAD EXAMIANS APP