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Author Question: What percent of opacity means the exhaust has no visible smoke and does not block light from a beam ... (Read 316 times)

captainjonesify

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on: Jun 23, 2018
What percent of opacity means the exhaust has no visible smoke and does not block light from a beam projected through the exhaust smoke?
 
  A) 25 B) 100 C) 50 D) 0

Question 2

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) 25 B) 100 C) 50 D) 0


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akudia

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

D

Answer to Question 2

B


captainjonesify

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Reply 2 on: Jun 23, 2018
Wow, this really help

nanny

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Reply 3 on: Yesterday
:D TYSM

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