Internal Combustion Engines The volumetric efficiency of a well designed engine may be 40 to 60% 60 to 70% 75 to 90% 30 to 40% 40 to 60% 60 to 70% 75 to 90% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines May open and close anywhere Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at bottom dead center and closes at top dead center May open and close anywhere Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at bottom dead center and closes at top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the ratios of all the corresponding linear dimensions are equal, then the model and the prototype are said to have None of these Dynamic similarity Geometric similarity Kinematic similarity None of these Dynamic similarity Geometric similarity Kinematic similarity ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The correct mixture strength (by weight) for petrol is about 14.6 : 1 18.5 : 1 20.4 : 1 22.6 : 1 14.6 : 1 18.5 : 1 20.4 : 1 22.6 : 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine has 2 valves 4 valves 1 valve 3 valves 2 valves 4 valves 1 valve 3 valves ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines As compared to air standard cycle, in actual working, the effect of variation in specific heats is to Decrease maximum pressure and increase maximum temperature Increase maximum pressure and decrease maximum temperature Increase maximum pressure and maximum temperature Reduce maximum pressure and maximum temperature Decrease maximum pressure and increase maximum temperature Increase maximum pressure and decrease maximum temperature Increase maximum pressure and maximum temperature Reduce maximum pressure and maximum temperature ANSWER DOWNLOAD EXAMIANS APP
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