Internal Combustion Engines Fuel consumption of diesel engines is not guaranteed at one quarter load because at such low loads The friction is high The small difference in cooling water temperature or in internal friction has a disproportionate effect The engine is rarely operated The friction is unpredictable The friction is high The small difference in cooling water temperature or in internal friction has a disproportionate effect The engine is rarely operated The friction is unpredictable ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of diesel engines on weak mixtures is Dependent on other factors Higher Unaffected Lower Dependent on other factors Higher Unaffected Lower ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, the delay period is of the order of 0.001 second 0.004 second 0.003 second 0.002 second 0.001 second 0.004 second 0.003 second 0.002 second ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines Exhaust valve opens at bottom dead center and closes at top dead center Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center May open and close anywhere Exhaust valve opens at bottom dead center and closes at top dead center Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center May open and close anywhere 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 Kinematic similarity Dynamic similarity Geometric similarity None of these Kinematic similarity Dynamic similarity Geometric similarity None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines An hmh flame speed is obtained in diesel engine when air fuel ratio is Uniform throughout the mixture About 35% of rich mixture About 10% of rich mixture Chemically correct mixture Uniform throughout the mixture About 35% of rich mixture About 10% of rich mixture Chemically correct mixture ANSWER DOWNLOAD EXAMIANS APP
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