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Author Question: Which gas is poisonous? A) Carbon dioxide (CO2 ) B) Ozone C) Carbon monoxide (CO) D) Unburned ... (Read 222 times)

mia

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on: Jun 23, 2018
Which gas is poisonous?
 
  A) Carbon dioxide (CO2 ) B) Ozone
  C) Carbon monoxide (CO) D) Unburned hydrocarbons (HC)

Question 2

Most rigid refrigerant lines are made of _______.
 
  A) Aluminum B) Titanium C) Copper D) Steel


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HandsomeMarc

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

C

Answer to Question 2

A


mia

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Reply 2 on: Jun 23, 2018
Gracias!

sultana.d

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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