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Author Question: What percent of opacity means that the exhaust is so dark that it completely blocks light from a ... (Read 129 times)

lidoalex

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on: Jun 23, 2018
What percent of opacity means that the exhaust is so dark that it completely blocks light from a beam projected through the exhaust smoke?
 
  A) 0 B) 50 C) 100 D) 25

Question 2

The diesel particulate filter in the exhaust system is used to trap ________.
 
  A) Rust from inside the exhaust system B) Fine sand particles
  C) CO2 particles D) Soot


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cclemon1

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

C

Answer to Question 2

D


lidoalex

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Reply 2 on: Jun 23, 2018
Excellent

frankwu0507

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Reply 3 on: Yesterday
Gracias!

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