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10) Which one of the following statements is incorrect about a catalytiC converter? O It is not very efficient at lower temperatures. O Its NOx conversion efficiEncy is highest for very lean mixtures. O Its CO conversion efficiency is high for lean mixtures. O Lead reduces its effectiveness.

10) Which one of the following statements is incorrect about a catalytiC converter? O It is not very efficient at lower temperatures. O Its NOx conversion efficiEncy is highest for very lean mixtures. O Its CO conversion efficiency is high for lean mixtures. O Lead reduces its effectiveness.

Automotive Technology: A Systems Approach (MindTap Course List)
Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Jack Erjavec, Rob Thompson
Chapter30: Electronic Fuel Injection
Section: Chapter Questions
Problem 7ASRQ: While discussing air-fuel ratios: Technician A says that a stoichiometric mixture is theoretically...
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10) Which one of the following statements is incorrect about a catalytic converter? O It is not very efficient at lower temperatures. O Its NOx conversion efficiency is highest for very lean mixtures. O Its CO conversion efficiency is high for lean mixtures. O Lead reduces its effectiveness. 11) Which one of the following is true about a particulate trap? O It is predominantly used in Sl engines. O It does not offer a restriction to exhaust flow. O It requires periodic regeneration. O It is predominantly used to reduce NOx emissions.
Transcribed Image Text:10) Which one of the following statements is incorrect about a catalytic converter? O It is not very efficient at lower temperatures. O Its NOx conversion efficiency is highest for very lean mixtures. O Its CO conversion efficiency is high for lean mixtures. O Lead reduces its effectiveness. 11) Which one of the following is true about a particulate trap? O It is predominantly used in Sl engines. O It does not offer a restriction to exhaust flow. O It requires periodic regeneration. O It is predominantly used to reduce NOx emissions.
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