Internal Combustion Engines In petrol engines, the delay period is of the order of 0.002 second 0.004 second 0.003 second 0.001 second 0.002 second 0.004 second 0.003 second 0.001 second 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‚)/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚/(Vâ‚€ + Vâ‚) [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚€/(Vâ‚€ + Vâ‚) (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚/(Vâ‚€ + Vâ‚) [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚€/(Vâ‚€ + Vâ‚) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the expansion Starts at 30° after top dead center and ends at 50° after bottom dead center May start and end anywhere Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at top dead center and ends at bottom dead center Starts at 30° after top dead center and ends at 50° after bottom dead center May start and end anywhere Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at top dead center and ends at bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a coil ignition system of petrol engines, a condenser is connected across the contact breaker in order to None of these Both (A) and (B) Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit Prevent sparking across the gap between the points None of these Both (A) and (B) Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit Prevent sparking across the gap between the points ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which one of the following event would reduce volumetric efficiency of a vertical compression ignition engine? Inlet valve closing before bottom dead center Inlet valve closing after bottom dead center Exhaust valve closing after top dead center Inlet valve opening before top dead center Inlet valve closing before bottom dead center Inlet valve closing after bottom dead center Exhaust valve closing after top dead center Inlet valve opening before top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A petrol engine, during suction stroke draws Air only A mixture of petrol and air None of these Petrol only Air only A mixture of petrol and air None of these Petrol only ANSWER DOWNLOAD EXAMIANS APP