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Author Question: Technician A says that recirculating 6 to 10 inert exhaust gases back into the intake system ... (Read 125 times)

burchfield96

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on: Jun 23, 2018
Technician A says that recirculating 6 to 10 inert exhaust gases back into the intake system increases peak temperature inside the combustion chamber and reduces NOx exhaust emissions. Technician B says that vacuum-operated EGR (Exhaust Gas Recirculation) valves are usually exhaust back pressure controlled to help match EGR flow into the intake with the load on the engine. Which technician is correct?
 
  A) Technician A B) Technician B C) Both technicians D) Neither technician

Question 2

Exhaust gas recirculation (EGR) is generally not needed under all the following conditions, EXCEPT ________.
 
  A) Cruise speed B) Cold engine
  C) Idle speed D) Wide open throttle (WOT)


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Chelseyj.hasty

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Reply #1 on: Jun 23, 2018
Answer to Question 1

B

Answer to Question 2

A


burchfield96

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Reply 2 on: Jun 23, 2018
Great answer, keep it coming :)

rachel

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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