Question 92Motor Plants - Assistant Engineer70% to pass
A diesel engine operating at a light load, when compared to operating at heavy load has an air/fuel ratio that is _______________.
AI Explanation
The correct answer is A) higher.
When a diesel engine is operating at a light load, it requires less fuel to produce the necessary power. This results in a higher air/fuel ratio compared to when the engine is operating at a heavy load. At heavy load, the engine requires more fuel to produce the necessary power, leading to a lower air/fuel ratio.
The other options are incorrect because:
B) lower - This is the opposite of the correct answer, as the air/fuel ratio is higher at light load.
C) equal - The air/fuel ratio will not be equal at different load conditions, as it changes based on the fuel requirement.
D) directly proportional - The air/fuel ratio is inversely proportional to the load, not directly proportional.
Related Questions
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