Question 94Motor Plants - Assistant Engineer
70% to passThe time between injection and ignition of the fuel is known as _______________.
Aturbulence lag
Bafterburning ratio
Cinjection lag
Dignition delay
AI Explanation
The correct answer is D) ignition delay. The time between the injection of fuel into the engine cylinder and the ignition of that fuel is known as the ignition delay. This is a critical parameter in the operation of diesel engines, as the ignition delay affects the combustion process and engine performance. The other answer choices are incorrect: A) Turbulence lag refers to the time it takes for the air/fuel mixture to become properly turbulent after injection. B) Afterburning ratio is not related to the time between injection and ignition. C) Injection lag refers to the time between the start of the fuel injection and the actual start of fuel entering the cylinder.
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