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    Medium/Heavy duty truck engines, fuel & computerized management systems
  4. Exam
    Exam 20: Fuel Injection Basics and Governor Principles
  5. Question
    Why Does Retarding Injection Timing Tend to Produce Higher HC
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Why Does Retarding Injection Timing Tend to Produce Higher HC

Question 5

Question 5

Multiple Choice

Why does retarding injection timing tend to produce higher HC emissions?


A) increases injection lag
B) reduces time available for combustion
C) increases ignition lag
D) increases combustion temperatures

Correct Answer:

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