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Author Question: Technician A says that carbon inside the engine can cause excessive NOx to form. Technician B says ... (Read 257 times)

Deast7027

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on: Jun 22, 2018
Technician A says that carbon inside the engine can cause excessive NOx to form. Technician B says that excessive NOx could be caused by a cooling system fault causing the engine to operate too hot. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Question 2

After the following exhaust emissions were measured, how was the engine operating?
 
  HC=766 PPM CO2=8.2 CO=4.6 O2=0.1
 
  A) Too lean B) Too rich


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vish98

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Reply #1 on: Jun 22, 2018
Answer to Question 1

C

Answer to Question 2

B


Deast7027

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Reply #2 on: Jun 22, 2018
Thank you!


vish98

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Reply #3 on: Jun 22, 2018
Happy to help


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