A Slow Buildup of the Fuel-Injection Rate (Ramp-Shaped Injection Rate)

question 39

Multiple Choice

A slow buildup of the fuel-injection rate (ramp-shaped injection rate) for the main injection reduces which of the following emissions?

• A)Oxides of nitrogen (NOx).
• B)Particulate matter (PM).
• C)Carbon monoxide (CO).
• D)Hydrocarbons (HCs).

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