Question 376Motor Plants - Assistant Engineer70% to pass
The process of scavenging a two-stroke cycle diesel engine serves to_______________.
AI Explanation
The correct answer is B) cool the exhaust valves.
In a two-stroke cycle diesel engine, the process of scavenging involves expelling the exhaust gases and drawing in fresh intake air. This scavenging process helps to cool the exhaust valves, preventing them from overheating and potentially failing. The other answer choices are incorrect because:
A) Scavenging does not directly improve fuel flow volume.
C) Scavenging does not reduce the intake air charge density, as it helps draw in fresh air.
D) Scavenging helps reduce the temperature of the exhaust gases, not increase it.
Related Questions
#374 When would the available energy of the exhaust gases of a two-stroke cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion? #375 Aftercooling of a turbocharged diesel engine will result in_______________.#377 Why will a turbocharged diesel engine produce black smoke if excessive additional load is applied too quickly? #378 The average exhaust temperature of a two-stroke cycle diesel engine with a turbine- driven supercharger is lower than a similar four-stroke cycle diesel engine at equal loads because_______________. #379 The diesel engine shown in the illustration, is provided with an auxiliary blower to_______________. Illustration MO-0003